MobiTechCareer - Mobile Repairing

नॉन इलेक्ट्रॉलायटिक कैपेसिटर (Non Electrolytic Capacitor): पहचान, कार्य व खराबियाँ

2026-10-14T13:30:59.003+05:30

Non Electrolytic Capacitor – Identifiction, Works or Faults in Hindi

Mobile Phone Repairing Course in Hindi me aaj ke lesson me aap non electrolytic capacitor (pf capacitor) ko PCB per pahchan krna, uske karya or khrabiya etc. ke baare me sikhenge. Aapke pas koi purana kharab mobile phone h to usko open or disassemble kar lijiye or PCB Circuit Board ko bahar nikalkar carefully rakh dijiye. Cell Phone Motherboard per yah capacitors all small parts ke compare me sabse abhik lage hote hai. Yah network or power section dono me lage hote hai. Circuit board per network section uper hota hai or power section network section se niche hota hai, iska hamesha khyaal rahe.

Identification: -

Mobile Phone Printed Circuit Board per yah capacitor 2 type ke colour me laga hota hai –

1. Gray Colour White Stripe (Dhari) Ke Sath -

Is type ke non electrolytic capacitors ke dono taraf ki side white dhari or bich me gray colour hota hai. Jiski PCB per pahchan krna bahut hi aasan hai. Yah network or power section me laga hota hai.

2. Halka Brown/Yellow Colour White Dhari Ke Sath –

Yah halke brown ya yellow colour ke hote hai or inki dono taraf ki side white dhari ki hoti hai.

Works:

Yah pcb per Direct Current (DC) ko filter krne ka karya krte hai.

Faults:

Agar yah capacitor faulty ho jata hai to isse connected part ko dc current supply nahi hota hai.

Practice:

Ek mobile phone ki PCB le or us per dono types ke colour (Gray or Halke Brown/yellow) wale 4-4 non electrolytic capacitor ki pahchan kare.

Kya Aap Jante Hai ?

Capacitor 3 types ke hote hai –

1. Non Electrolytic Capacitor

2. Electrolytic Capacitor

3. Network Capacitor

Mobile repairing course in hindi me sikhne ke liye bane rahiye humhare sath or sikhe mobile repair ke all lessons in Hindi.

Non Electrolytic Capacitor – Mobile Repairing FAQs

Q1. Non Electrolytic Capacitor kya hota hai mobile me?
Non Electrolytic Capacitor ek passive component hai jo low capacitance value aur high-frequency filtering ke liye use hota hai. Iska polarity nahi hota.

Q2. Non Electrolytic Capacitor fail hone ke symptoms kya hote hain?
Signal distortion, display flicker, audio problem, network issue, ya circuit malfunction.

Q3. Non Electrolytic Capacitor ko kaise test karein?
Multimeter capacitance mode ya LCR meter se measure karein; circuit me signal output aur filtering check karein.

Q4. Non Electrolytic Capacitor damage hone ke common reasons kya hote hain?
Overvoltage, physical damage, soldering fault, ya water damage.

Q5. Non Electrolytic Capacitor replace karna safe hai?
Haan, proper soldering maintain karein aur same capacitance aur voltage rating capacitor use karein.

Q6. Non Electrolytic Capacitor jumper se fix ho sakta hai?
Nahi, capacitor signal filtering aur stabilization ke liye hota hai. Jumper se fix nahi hota.

Q7. Electrolytic aur Non Electrolytic Capacitor me difference kya hai?
Electrolytic Capacitor high capacitance aur bulk filtering ke liye hota hai, Non Electrolytic low capacitance aur high-frequency signal filtering ke liye use hota hai.

Boost Coil (बूस्ट कॉइल) Identification in Hindi

2026-10-14T13:30:42.100+05:30

Boost Coil – Identifiion, Works or Faults in Hindi

Free Mobile Phone Repairing Course Online in Hindi me aaj ke lesson me aap sikhenge: - Boost coil ki PCB per pahchan krna, Karya or Kharabiya. Mobile Phone Ki PCB per yah coil kuch section me lagi hoti hai. Basically yah light ke liye lagai jati hai. Yah display section me lagi mil hati hai. Mobile cell phone motherboard per yah 1 ya 2 hi lagi hoti hai. Yah battery connector ke V.bat (+ point ) se direct connect hoti hai. Chaliye shuru krte hai – PCB per boost coil ki identify krna.

Identification:

Yah coil se bahut badi hoti hai or iski shape or size coil se ekdum different hoti hai. Yah PCB per ek button ki tarah dikhai deti hai. yah black colour ka hota hai. Iske kharab ya damage ho jane per ise change krke lagaya jata hai. Ise jumper krke bhi thik kiya ja skta hai.

Works:

Yah current ko increase krne ke karya krti hai. Iske dwara display screen ki light ko current milta hai.

Faults:

Boost coil ke damage hone per ya isme kharabi aane per display me light nahi jalegi.

Practice:

Ek mobile phone ki printed circuit board le or us per boost coil ki pahchan kare.

Kya Aap Jante Hai ?

Coil or Boost Coil dono me cooper wire laga hota hai jisse current ko decrease or increase kiya jata hai.

Mobile Repairing Course Hindi me Sikhna aage or bhi aasan hota jayega, jab aap in parts ki identification ek or tarike se krna sikh jayenge. Mobile phone ki pcb per small parts me aapne last lessons me Capacitor or coil ke bare me sikha. Unki pcb per pahchan, work or fault etc. ke baare me jaana. Small Parts se related all lessons sikhe. Taki aage sikhne me koi confuse na ho.

Boost Coil – Mobile Repairing FAQs

Q1. Boost Coil kya hota hai mobile me?
Boost Coil ek inductor hota hai jo voltage step-up karta hai, mainly LCD, backlight aur power circuits me required voltage generate karta hai.

Q2. Boost Coil fail hone ke symptoms kya hote hain?
Display brightness kam, backlight fail, charging issues, phone boot na hona, ya voltage instability.

Q3. Boost Coil ko kaise test karein?
Multimeter se resistance check karein, inductance measure karein, aur voltage output working motherboard me observe karein.

Q4. Boost Coil damage hone ke common reasons kya hote hain?
Overvoltage, short circuit, physical damage, soldering fault, ya water damage.

Q5. Boost Coil replace karna safe hai?
Haan, proper soldering, flux aur alignment maintain karna zaroori hai. Same rating coil use karein.

Q6. Boost Coil jumper se fix ho sakta hai?
Nahi, Boost Coil voltage step-up aur inductance provide karta hai. Jumper se fix nahi hota.

Q7. Boost Coil aur Power IC me difference kya hai?
Boost Coil voltage step-up aur inductance provide karta hai, Power IC voltages regulate aur distribute karta hai.

Transistor (ट्रांजिस्टर) Identification in Hindi

2026-10-14T13:30:24.000+05:30

Transistor: Identifiction, Works or Faults in Hindi

Mobile Phone Repairing Course ke aaj ke lesion me aap sikhenge ki cell phone PCB per Transistor ki identify kaise kare or karya – khrabiya kya hai. Mobile cell phone repair krna bahut hi aasan hai. Ab Aap online free mobile repairing course in Hindi me sikhe. Transistor mobile phone ki pcb per kisi bhi sections me laga mil jata hai. To chaliye shuru krte hai transistor ki pcb per identify krna.

Identification:

Yah Black colour ka hota hai. Yah 3 legs ka bana hota hai. Jiske ek taraf 1 leg or dusri taraf 2 legs hote hai.

Works:

Yah mobile phone me switching krne ka work krta hai.

Faults:

Transistor ke faulty ho jane per mobile phone switching ka karya nahi karega.

Practice:

Ek mobile phone pcb le or us per ek taraf ek leg or dusri taraf 2 legs wale black colour ke part ko khoje.

Kya Aap Jante Hai ?

Printed circuit board per Ringer, Speaker, MIC, Vibrator, Display, Network, SIM Card, Memory Card, Headphone, Charging, Wi-fi, Data Cable, Keypad or others parts ke sections bane hote hai. PCB per mainly 2 sections hote hai – Network or Power Section. Kisi bhi part ke section me 3 type ke parts aapse me connected huye hote hai. For example:-

Ringer – Card level part hai.

Coils, Capacitors– Small part hai. Jo Ringer se jude hote hai.

Ringer IC – Big Part hai. Jo ringer, coils or capacitors se judi hoti hai.

Is type se mobile phone PCB per 3 types ke parts aapse me connected hokar work krte hai or iske liye pratyek parts ke apna alag ek section bana hota hai.

Mobile Phone Repairing

Mobile repair course online free in Hindi me sikhete rahiye per full smile ke sath. Next posts me aap sikhenge others small parts ki pcb per indent krna, unke works or faults etc. ke baare me.

Transistor – Mobile Repairing FAQs

Q1. Transistor kya hota hai mobile me?
Transistor ek semiconductor device hai jo signal amplify aur switch karne ke liye use hota hai, aur mobile circuits me current aur voltage control karta hai.

Q2. Transistor fail hone ke symptoms kya hote hain?
Phone boot issue, no audio, network issue, charging problem, ya specific circuit malfunction.

Q3. Transistor ko kaise test karein?
Multimeter diode mode me base-emitter aur base-collector junction check karein, ya transistor tester se verify karein.

Q4. Transistor damage hone ke common reasons kya hote hain?
Overvoltage, overcurrent, short circuit, overheating, ya soldering fault.

Q5. Transistor replace karna safe hai?
Haan, proper alignment aur soldering maintain karein, aur same rating transistor use karein.

Q6. Transistor jumper se fix ho sakta hai?
Nahi, transistor signal amplification aur switching ke liye hota hai. Jumper se fix nahi hota.

Q7. Transistor aur IC me difference kya hai?
Transistor individual amplification aur switching ke liye hota hai, IC multiple functions aur circuits integrate karta hai.

Electrolytic Capacitor Identification in Hindi

2026-10-14T13:30:04.511+05:30

Electrolytic Capacitor – Identifiction, Works or Faults in Hindi

Mobile Phone PCB per is type ke capacitor 1-2 hi lage hote hai. Kuch mobile handsets me yah battery connector ke aas-paas laga hota hai. Yah capacitor non electrolytic capacitor ke shape or size ke compare me bahut bada hota hai. Is capacitor ko short me mobile repair technician ‘filter’ bhi kahte hai. Kyonki yah capacitor current ko filter krta hai. Is capacitor ki pcb per pahchan krne ke liye apne pas kisi phone ki pcb ko lijiye.

Identification:

Mobile Phone ki pcb per yah 2 colour me laga mil jata hai –

1. Black Colour Ke Sath Ek Side White Dhari

Yah black colour ke sath white dhari ke sath milta hai. Isme dhari wala point positive (+) hota hai. Isliye ise pcb per hathate or lagate time dhari wala point kis or iska khas dhyan rakhe.

2. Orange Colour Ke Sath Ek Side Brown Dhari

Orange colour ka hota hai or Brown colour ki ek side dhari hoti hai.

Works:

Yah Current ko filter krta hai or current ko stores bhi krta hai.

Faults:

Iske kharab hone per current filter nahi ho payega or current stores bhi nahi hoga.

Notes: Electrolytic Capacitor me Dhari wala point positive (+) ka hota hai. Isliye yadi yah faulty hota hai to ise remove krte time dhyan rakhe ki iska + point kis or solder huya tha. Solder krte time positive point ki or hi dhari rakhe.

Practice:

Apni mobile phone ki PCB per check krke pata kare – aapke phone me kis colour ka electrolytic capacitor laga hai or uski location ka pata kare.

Kya Aap Jante Hai ?

Non electrolytic capacitor ke compare (tulna) me Network Capacitor 2-3 guna adhik bada hota hai. Jo pf capacitor ki tarah hi dikhta hai. Lekin isse height or width me kai bada hota hai.

Mobile repairing sikhna aasan hi nahi, bahut aasan hai. Aap continue sikhte rahiye kuch time bad aap mobile repair krna sikh jayenge. Ab aapke sapne ke bich aapki financial problems nahi aayegi. Sikhte rahiye, smile ke sath.

Electrolytic Capacitor – Mobile Repairing FAQs

Q1. Electrolytic Capacitor kya hota hai mobile me?
Electrolytic Capacitor high capacitance value ka capacitor hota hai jo power supply filtering, voltage stabilization aur signal smoothing ke liye use hota hai.

Q2. Electrolytic Capacitor fail hone ke symptoms kya hote hain?
Phone boot nahi hota, display flicker, battery drain fast, charging issue, ya voltage instability.

Q3. Electrolytic Capacitor ko kaise test karein?
Multimeter capacitance mode ya ESR meter se check karein; voltage supply lines aur ripple voltage observe karein.

Q4. Electrolytic Capacitor damage hone ke common reasons kya hote hain?
Overvoltage, reverse polarity, overheating, water damage, ya physical damage.

Q5. Electrolytic Capacitor replace karna safe hai?
Haan, same voltage aur capacitance rating capacitor use karein, proper soldering aur polarity maintain karein.

Q6. Electrolytic Capacitor jumper se fix ho sakta hai?
Nahi, capacitor voltage smoothing aur filtering ke liye hota hai. Jumper se fix nahi hota.

Q7. Electrolytic Capacitor aur Ceramic Capacitor me difference kya hai?
Electrolytic Capacitor high capacitance aur bulk filtering ke liye hota hai, Ceramic Capacitor low capacitance aur high-frequency filtering ke liye use hota hai.

Resistance (रेजिस्टेन्स) Identification in Hindi

2026-10-14T13:29:50.443+05:30

Resistance: Identifiion, Works or Faults in Hindi

Mobile Phone Repairing me abhi tak aapne jitne small parts ke works jaane, to aapne ek baat ko notice kiya hoga ki pratyek small part ya to current ko filter krne ke karya krte hai, ya fir current voltage ko decrease ya increase krne ka karya krte hai. Ek part current ko stores krke rakhta hai to dusra current ke voltage ko control krta hai. All Smart parts on PCB of Mobile Phone – Sabke different works hai. Aaj ke is lesson me aap sikhenge ki mobile phone motherboard per Resistance ki pahchan kaise kare, iske karya or khrabiya kya hai. Mobile Phone Repair Me Resistance Ki Pahchan Kaise Kare. To chaliye shuru krte hai.

Identification:

Yah pcb per kuch sections me laga hota hai. Resistance pcb per gahre black colour ka hota hai or dono taraf side me white stripe hoti hai, sath hi gahra colour chamakdar hota hai. Yah dikhne me chapta or patla hota hai. Isliye ise ‘Chip Resistance’ bhi kaha jata hai. Kuch mobile phones me yah blue or green colour ka bhi laga hota hai. Yah mobile phone PCB circuit board per sabse small electronic component hota hai.

Works:

Yah current ko decrease krke aage supply krte hai.

Faults:

Iske faulty ho jane per isse connected parts ko current adhik supply honga, jisse part damage ho skta hai.

Practice:

Aap ek mobile phone ki PCB lijiye or us pcb per gahre black colour ka sabse chhota part khojiye.

Kya Aap Jante Hai ?

Network Capacitor 2 ya 2 se adhik Non electrolytic Capacitor se milkar bane hote hai, usi tarah 2 ya do se adhik chip resistance me milkar Network Resistance bane hote hai.

Mobile phone repair course online in Hindi me sikhte rahiye or khush rahiye. Mobile phone Repairing course continue learn kare.

Resistance – Mobile Repairing FAQs

Q1. Resistance kya hota hai mobile me?
Resistance ek passive component hai jo current flow ko limit karta hai aur voltage drop create karta hai, circuits ko proper operate karne me help karta hai.

Q2. Resistance fail hone ke symptoms kya hote hain?
Phone boot issue, circuit malfunction, overheating, ya signal problem.

Q3. Resistance ko kaise test karein?
Multimeter se resistance value measure karein aur datasheet value se compare karein.

Q4. Resistance damage hone ke common reasons kya hote hain?
Overcurrent, short circuit, overheating, ya physical damage.

Q5. Resistance replace karna safe hai?
Haan, same value aur power rating resistor use karein, proper soldering maintain karein.

Q6. Resistance jumper se fix ho sakta hai?
Nahi, resistor circuit me current limit aur voltage drop provide karta hai. Jumper se fix nahi hota.

Q7. Resistance aur Capacitor me difference kya hai?
Resistor current limit aur voltage drop provide karta hai, Capacitor energy store aur signal filtering karta hai.

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2026-10-10T16:13:07.818+05:30

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2026-10-10T16:12:22.649+05:30

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मोबाइल रिपेयरिंग की बेसिक जानकारी

✔ मोबाइल रिपेयरिंग का परिचय
✔ मोबाइल टेक्नीशियन बनने का रोडमैप
✔ मोबाइल रिपेयरिंग में उपयोग होने वाले टूल्स एवं उपकरण
✔ ESD (Electrostatic Discharge) सुरक्षा
✔ कार्यस्थल की सुरक्षा एवं सावधानियां
✔ मोबाइल PCB की संरचना
✔ इलेक्ट्रॉनिक्स के मूल सिद्धांत
✔ Voltage, Current, Resistance एवं Continuity
✔ मोबाइल सर्किट की समझ

Electronic Components Mastery

✔ Resistor की पहचान एवं परीक्षण
✔ Capacitor की पहचान एवं परीक्षण
✔ Inductor एवं Coil
✔ Diode एवं Zener Diode
✔ Transistor
✔ MOSFET
✔ Crystal Oscillator
✔ Fuse
✔ Switch एवं Connector
✔ IC (Integrated Circuit) की जानकारी
✔ SMD Components पहचानने की तकनीक
✔ PCB पर Components Trace करना

Multimeter Master Class

✔ Digital Multimeter परिचय
✔ Voltage Checking
✔ Resistance Measurement
✔ Diode Mode Testing
✔ Continuity Testing
✔ Short Circuit Detection
✔ Ground Line पहचानना
✔ Practical Fault Finding Techniques

Soldering & Microsoldering

✔ Soldering Iron का उपयोग
✔ Flux का सही उपयोग
✔ Jumper Wire Techniques
✔ Component Replacement
✔ Connector Replacement
✔ Charging Jack Replacement
✔ Microphone Replacement
✔ SMD Soldering
✔ BGA Concepts
✔ Professional Rework Techniques

Power Section Repairing

✔ मोबाइल ON होने की प्रक्रिया
✔ Power Key Circuit
✔ VBAT Line
✔ VPH_PWR Concepts
✔ Dead Mobile Diagnosis
✔ Auto Restart Problem
✔ Heating Problem
✔ Battery Drain Issue
✔ No Power Problem
✔ Current Consumption Analysis

Charging Section Repairing

✔ Charging Working Principle
✔ USB Type-C Port Repair
✔ Micro USB Repair
✔ Slow Charging Issue
✔ Fast Charging Problems
✔ Not Charging Issue
✔ Charging IC Diagnosis
✔ USB Detection Problems
✔ Battery Connector Faults

Battery & Power Management

✔ Lithium Battery Fundamentals
✔ Battery Testing
✔ Battery Calibration
✔ PMIC Introduction
✔ Battery Backup Issues
✔ Battery Swelling Problems
✔ Battery Health Analysis

Display Section Repairing

✔ LCD Working Principle
✔ OLED & AMOLED Display
✔ Backlight Circuit
✔ No Display Problem
✔ White Display Problem
✔ Black Screen Problem
✔ Flickering Issues
✔ Display Connector Repair
✔ Touch & Display Diagnosis

Touch Screen Repairing

✔ Capacitive Touch Technology
✔ Touch IC Concepts
✔ Ghost Touch Problem
✔ Touch Not Working
✔ Partial Touch Failure
✔ Touch Calibration
✔ Touch Connector Issues

Audio Section Repairing

✔ Speaker Working
✔ Earpiece Circuit
✔ Microphone Circuit
✔ Ringer Problems
✔ Low Sound Problems
✔ Audio IC Concepts
✔ Noise Issues
✔ Mic Not Working Problems

Wi-Fi, Bluetooth & GPS

✔ Wi-Fi Circuit Basics
✔ Bluetooth Problems
✔ GPS Issues
✔ Hotspot Not Working
✔ Wi-Fi Greyed Out
✔ Connectivity Diagnosis

Camera Section Repairing

✔ Front Camera Repair
✔ Rear Camera Repair
✔ Camera Connector Problems
✔ Camera Not Opening
✔ Focus Problems
✔ Flash Issues
✔ Camera Module Replacement

Water Damage Repairing

✔ Liquid Damage Diagnosis
✔ PCB Cleaning Techniques
✔ Corrosion Removal
✔ Water Damage Recovery Process
✔ Ultrasonic Cleaning Concepts

Android Software Repairing

✔ Android Architecture
✔ Boot Process
✔ Firmware Fundamentals
✔ Flashing Basics
✔ Stock ROM Installation
✔ Custom ROM Concepts
✔ Recovery Mode
✔ Fastboot Mode
✔ Download Mode
✔ ADB Basics
✔ Driver Installation
✔ Software Troubleshooting

Android Advanced Software Solutions

✔ FRP Lock Remove Concepts
✔ Bootloop Problems
✔ Stuck Logo Issues
✔ Hanging Problems
✔ Pattern Lock Issues
✔ Password Problems
✔ App Crash Issues
✔ Software Update Problems
✔ System Repair Basics

iPhone Hardware Repairing

✔ iPhone Architecture
✔ iPhone PCB Structure
✔ iPhone Charging Faults
✔ iPhone Audio Problems
✔ iPhone Display Issues
✔ iPhone Battery Problems
✔ iPhone Network Faults
✔ Face ID Basics
✔ Lightning Port Repair
✔ Common iPhone Fault Diagnosis

iPhone Software Repairing

✔ iOS Fundamentals
✔ Restore Process
✔ Recovery Mode
✔ DFU Mode
✔ Activation Issues
✔ Update Errors
✔ Boot Problems
✔ Backup & Restore Concepts

Circuit Diagram & Schematics

✔ Circuit Diagram Reading
✔ Block Diagram Understanding
✔ Board View Concepts
✔ Line Tracking
✔ Voltage Line Analysis
✔ Fault Isolation Techniques

Professional Fault Finding

✔ Dead Mobile Diagnosis
✔ Heating Mobile Diagnosis
✔ No Network Diagnosis
✔ No Charging Diagnosis
✔ No Sound Diagnosis
✔ No Display Diagnosis
✔ Practical Troubleshooting Workflow
✔ Professional Repair Strategy

Mobile Repairing Business Guide

✔ अपनी मोबाइल रिपेयरिंग शॉप कैसे शुरू करें
✔ आवश्यक टूल्स एवं निवेश
✔ ग्राहक हैंडलिंग
✔ रिपेयरिंग चार्ज निर्धारण
✔ पार्ट्स खरीदने की जानकारी
✔ व्यवसाय बढ़ाने की रणनीति
✔ ऑनलाइन मार्केटिंग बेसिक्स

🎯 इस ई-बुक को पढ़ने के बाद आप क्या कर पाएंगे?

✅ मोबाइल के हार्डवेयर और सॉफ्टवेयर फॉल्ट पहचान सकेंगे।
✅ Android एवं iPhone दोनों की सामान्य समस्याओं को समझ सकेंगे।
✅ मल्टीमीटर का उपयोग करके फॉल्ट ट्रेस कर सकेंगे।
✅ चार्जिंग, डिस्प्ले, नेटवर्क, ऑडियो और पावर समस्याओं का निदान कर सकेंगे।
✅ मोबाइल रिपेयरिंग के प्रोफेशनल वर्कफ़्लो को समझ पाएंगे।
✅ एक टेक्नीशियन के रूप में आत्मविश्वास के साथ कार्य कर सकेंगे।

🚀 आपको यह ई-बुक क्यों खरीदनी चाहिए?

✔ आसान हिन्दी भाषा
✔ Beginner से Advanced तक विषय
✔ Android + iPhone दोनों का कवरेज
✔ हार्डवेयर एवं सॉफ्टवेयर दोनों सेक्शन
✔ Step-by-Step सीखने का क्रम
✔ घर बैठे सीखने की सुविधा
✔ छात्रों, नौकरीपेशा लोगों एवं व्यवसाय शुरू करने वालों के लिए उपयोगी
✔ 2026 के अनुसार अपडेटेड जानकारी

संक्षेप में, एक आधुनिक मोबाइल टेक्नीशियन को जिन महत्वपूर्ण विषयों की जानकारी होनी चाहिए, उनका विस्तृत परिचय इस ई-बुक में शामिल किया गया है। वर्तमान में नौ मोड्यूल्स में शेष को इंटीग्रेटेड कर दिया गया है।

Coil (कॉइल) Identification in Hindi

2026-10-10T16:06:38.129+05:30

Coil – Identification, Works or Faults

Mobile phone repairing course ki aaj ke lesson me aap sikh payenge – PCB per Coil ki pahchan kya hai or uske karya-kharabiya etc. ke baare me sikhenge. Mobile cell phone repair me coil ki faults aana aam hai. Coil ki Printed Circuit Board per Pahchan krna bahut hi easy hai. First, aap mobile phone ki ek PCB le.

Identification:

Yah mobile cell phone ki motherboard per kuch sections me 2 colours me mil jati hai –

1. Halka Black Colour Ke Sath Dono Side White Stripe

Coil Halka black colour me hoti hai or iske dono taraf ke side me white stripe (dhari) hoti hai. Yah shape or size me different hoti hai. Coil pcb per chhoti-badi hoti hai or kai shapes or sizes ki lagi hoti hai.

2. Blue Colour Ke Sath Dono Side White Dhari

Dusre colour me Coil blue colour ki hoti or iske dono taraf ke side me white stripe hoti hai. Is type ki colour wali coil kuch hi mobile phones ki pcb per lagi hoti hai.

Works:

Coil ke karya ye hai –

(A) Yah current ko filter krti hai.

(B) Yah current voltage ko decrease (kam) krti hai.

Faults:

Coil ke faulty hone per isse connected parts ko current or voltage filter nahi hoga.

Practice:

Ab aap apne mobile phone ki PCB per Halke black colour, dono or white dhari wali Coil ki pahchan kijiye.

Kya Aap Jante Hai ?

Mobile Phone Ki PCB Per Coil Ka Karya Hai – Current Voltage Ko Decrease Krna Jabki Boost Coil Current Ko Increase Krne Ka Karya Krti Hai.

Mobile Cell Phone Repairing Course Me Aapne Kya Sikha –

Yadi aap continue mobile re[air sikhe rahe hai to aapne abhi tak 3 small parts –

1. Non Electrolytic Capacitor

2. Electrolytic Capacitor

3. Coil

In 3 parts ki PCB per identification, works or faults ke baare me aapne sikha hai.

Coil – Mobile Repairing FAQs

Q1. Coil kya hota hai mobile me?
Coil ek inductor hota hai jo magnetic field generate karke voltage aur current regulate karta hai. Mobile me power circuits, RF circuits aur backlight circuits me use hota hai.

Q2. Coil fail hone ke symptoms kya hote hain?
Phone boot issue, display backlight fail, charging problem, signal weak hona, ya voltage instability.

Q3. Coil ko kaise test karein?
Multimeter se resistance check karein, inductance measure karein, aur circuit me voltage output observe karein.

Q4. Coil damage hone ke common reasons kya hote hain?
Overvoltage, short circuit, physical damage, soldering fault, ya water damage.

Q5. Coil replace karna safe hai?
Haan, proper soldering aur alignment maintain karein, aur same rating coil use karein.

Q6. Coil jumper se fix ho sakta hai?
Nahi, coil voltage/current regulation aur magnetic field generate karta hai. Jumper se fix nahi hota.

Q7. Coil aur Boost Coil me difference kya hai?
Coil general voltage/current regulation ke liye hota hai, Boost Coil specifically voltage step-up ke liye use hota hai.

Antenna Switch Identificaton Works Faults in Hindi

2026-10-08T22:31:56.270+05:30

Antenna Switch: Identification, Works and Faults in Hindi

Mobile phone repairing me aaj ke lesson me aap sikhenge ki cell phone, iphone, android smarphone ke pcb circuit board per antenna switch ki identification kaise kare. Mobile phone ke big parts ko two section me divide kr skte hai jinke naam hai: Network Section ke big parts or Power Section ke big parts. Network section hamesha mobile phone ke pcb board per sabse upper hota hai. But kahin mobile phone set me network section side me, upper-niche bhi so skta hai. Mobile phone PCB Diagram ko samajhane ke bad parts ki peb per identification (pehchan) krna or bhi aasan ho jata hai. To aaiye aaj ke mobile phone repairing turorial in hindi me pcb per big parts or IC me Antenna Switch ki pahchan krna sikte hai, mobile phone me iske kya karya or iske kharab hone per phone me kya faults hoti hai.

Antenna Switch:

Identification

Antenna switch mobile phone pcb circuit board per network section me pfo ke pas laga rahta hai. Yah aayat ke aakaar ka hota hai or metal, non metal ka bana hota hai. GSM sets me white color or CDMA mobile phone sets me gold metal ka bana hota hai. Antenna switch pfo se bahut chhota hota hai.

Antenna Switch Works

Yah network signal ko search krta hai or tuning krne ke bad aage bhejta hai.

Antenna Switch Faults

Iske faulty (Kharab) hone per mobile phone me network nahi aayega or set me network related other problems aane lagti hai.

Aasan Hai

mobile phone repair krna aapke liye right hand ka khel hai. Yah bhi hona aasan hai. Aap mobile phone ki pcb circuit board per all a to z parts ki identification krna sikh lo. Uske bad aap pcb ko aasni se samajh skte hai. Fir aap kisi bhi hardware fault ko easily find krke solve krne ke yogya ho jaoge.

Antenna Switch – Mobile Repairing FAQs

Q1. Antenna Switch kya hota hai mobile me?
Antenna Switch mobile me different frequency bands ko select aur switch karta hai, taaki network signals properly transmit aur receive ho.

Q2. Antenna Switch fail hone ke symptoms kya hote hain?
Weak signal, no network, call drop, phone stuck on searching network, ya mobile randomly disconnect hota hai network se.

Q3. Antenna Switch ko kaise test karein?
Voltage supply aur ground lines check karein, RF signal path aur continuity test karein, aur working motherboard setup me verify karein.

Q4. Antenna Switch damage hone ke common reasons kya hote hain?
Voltage spike, water damage, physical shock, motherboard short, corrosion, ya faulty soldering.

Q5. Antenna Switch replace karna safe hai?
Haan, proper hot-air rework station, flux, temperature control aur alignment maintain karna zaroori hai.

Q6. Antenna Switch jumper se fix ho sakta hai?
Nahi, Antenna Switch directly RF circuits aur network IC se connect hota hai. Jumper se fix nahi hota.

Q7. Antenna Switch aur Network IC me difference kya hai?
Antenna Switch frequency bands switch karta hai aur signal path manage karta hai, Network IC overall cellular communication aur processing control karta hai.

PCB Par 26MHz Silicon Crystal Ki Identification Kaise Kare Iske Karya or Khrabiya Hindi Me

2026-10-08T22:29:24.686+05:30

26MHz Silicon Crystal: Identify, Works or Faults

Mobile phone repairing course or cell phone repair training course online free in Hindi me aaj ke lesson me aap sikhenge ki PCB circuit board par big parts me 26MHz silicon crystal ki pahchan kaise kare. iske karya or khrabiya kya hai. Yah pcb per network section me laga hota hai. Basically PCB per network always power section ke uper bana hota hai. Mobile phone ki pcb par bahut big parts lage hote hai. unme se ek Hai. Jo network section me network IC ke aas-pas laga rahta hai. Mobile repairing me aaj aap iski cell phone motherboard per pahchan krna sikhenge. To chaliye shuru krte hai.

Identification:

Yah Printed Circuit Board per network section me laga hota hai. Yah metal ka bana hota hai. Ise ‘Network Crystal’ ke naam se bhi jana jata hai. adhiktar mobile handsets me yah PFO ke pas laga hota hai. Yah metal ka bana hota hai isliye yah dikhne me Silver ya Gold colour ka hota hai.

Works: Yah network filter krne ka karya krta hai. Yah outgoing calls ke dauran frequency create krta hai.

Faults: Yadi yah khrab ho jata hai to mobile phone me outgoing call nahi lagega or no network ki problems aati hai.

Practice:

Aap ek cell phone PCB ko le or us per metal ka bana koi part khoje jo network section me laga hota hai. Network section pcb per sabse uper bana hota hai.

Kya Aap Jante Hai ?

Mobile phone repairing ek aisa technical course jise kam time me sikha ja skta hai or mobile repair krke bahut kam time me adhik dhan earn kiya ja skta hai. Jo aapke hoonar or work capacity per depend krta hai. Aap ek din me kitne phone sudhar skte hai, wo aap per nirbhr krta hai. Aaj ke time me kisi bhi course ko sikhne me Internet ka bahut yogdan hai. Jiske dwara aap ek institute se kai adhik sikhte hai.

26MHz Silicon Crystal – Mobile Repairing FAQs

Q1. What is a 26MHz Silicon Crystal?
It is a frequency reference oscillator that keeps RF, network, CPU timing and communication stable.

Q2. What are the symptoms of a faulty 26MHz crystal?
Dead phone, auto restart, no network, hang on logo, baseband unknown and heating issues.

Q3. How does the 26MHz crystal affect the network?
It provides precise frequency to the RF IC. Any mismatch causes network drop, emergency call only, or LTE issues.

Q4. What causes damage to the 26MHz crystal?
Water damage, corrosion, RF short, wrong voltage, overheating or physical damage.

Q5. How to test the 26MHz crystal?
Continuity check, voltage check, RF line testing and verifying frequency through an oscilloscope.

Q6. Is replacing the 26MHz crystal safe?
Yes, but correct temperature (250–330°C), proper flux and alignment must be maintained.

Q7. Can the 26MHz crystal be jumper shorted?
No, because it is a frequency generator. Jumper will cause dead phone or baseband damage.

Q8. What is the difference between a 26MHz and 32kHz crystal?
The 26MHz crystal manages RF and network functions, while the 32kHz crystal handles CPU timing and sleep mode.

Regulator (रेगुलेटर) Identification in Hindi

2026-10-08T22:26:38.361+05:30

Regulator: Identification, Works or Faults in Hindi

Mobile Phone Repairing me aaj ke lesson me aap sikhenge ki PCB per Regulator ki pahchan kaise kare, iski karya or khrabiya kya hai. Mobile PCB circuit board per is small part ki identify krna bahut hi aasan hai. Ek acche mobile cell phone repair technician ki quality hai ki use mobile ke all parts ki identify, works or faults ke baare acche se jankari ho. Regulator ki pahchan ke liye ek mobile phone ki PCB lijiye. To chaliye shuru krte hai.

Identification:

Yah mobile phone ki pcb per kuch sections me laga hota hai. Yah black colour ka hota hai. Yah 5-6 legs ka hota hai. Jiske ek traf 2-3 legs or dusri taraf 3 legs hote hai.

Works:

Yah current filter krta hai. Sath hi yah current voltage ko regulates krta hai.

Faults:

Regulator ke faulty ho jane per isse connected parts ko current filter hokar nahi milega.

Practice:

Mobile Phone ki PCB lijiye or us per ek taraf 2-3 legs or dusri taraf 3 legs wale black regulator ko khoje.

Kya Aap Jante Hai ?

Jaisa ki regulator ke naam se jaan padta hai ki yah pcb per current voltage ko regulates (Control) krta hai.

Important Jankari:

Mobile phone repair sikhne ke liye aapko regular ek student ki tarah sikhna honga. Agar aap chahate hai ki aap complete course step by step learn kare, to aapko continues mobile repairing course sikhna honga. Kisi bhi field me perfect banane ke liye us filed se related chhoti se chhoti jankari hona jaroori hai. Aapka filed mobile repair technician ka hai to aapko repairing se related all jankari honi chahiye.

Aapne Kitna Sikha Hai –

Aapne apna test liya ki aap, kitna sikhe hai. Aapko small parts ki kitni jankari hui hai. Aap pcb per kitne small parts ki pahchan kar lete hai. Iske liye aap khud ko kisi part ka naam ka nirdesh dekar pcb per khoje.

Regulator – Mobile Repairing FAQs

Q1. Regulator kya hota hai mobile me?
Regulator ek electronic component hai jo input voltage ko stable output voltage me convert karta hai, taaki mobile ke circuits proper aur safe operate karein.

Q2. Regulator fail hone ke symptoms kya hote hain?
Phone boot nahi hota, charging problem, battery drain fast, overheat, ya voltage instability.

Q3. Regulator ko kaise test karein?
Multimeter ya voltage tester se input aur output voltage measure karein, datasheet ke specified range me check karein.

Q4. Regulator damage hone ke common reasons kya hote hain?
Overvoltage, overcurrent, short circuit, overheating, ya water damage.

Q5. Regulator replace karna safe hai?
Haan, proper alignment aur soldering maintain karein. Same rating aur type regulator use karein.

Q6. Regulator jumper se fix ho sakta hai?
Nahi, regulator voltage stabilization aur current control ke liye hota hai. Jumper se fix nahi hota.

Q7. Regulator aur Power IC me difference kya hai?
Regulator single or specific voltage stabilize karta hai, Power IC multiple voltages regulate aur distribute karta hai.

2027 में Smartphone Repairing का Future | Mobile Repairing से कमाई

2026-10-08T22:25:17.686+05:30

MobiTechCareer • Smartphone Repairing

Smartphone Repairing में मोटा पैसा है, बस कमाना आना चाहिए

Smartphone Repairing में earning सिर्फ mobile खोलने या parts बदलने से नहीं आती। असली value आती है skill, experience, fault diagnosis और customer trust से।

🔎 इस लेख का सार

Smartphone Repairing एक skill-based profession है जिसमें basic hardware repair से लेकर PCB, SMD components, ICs और motherboard-level troubleshooting तक कई तरह के काम किए जा सकते हैं। अच्छी earning के लिए केवल course पूरा करना पर्याप्त नहीं है। आपको Practical experience के साथ accurate fault का diagnosis की भी जानकारी हो । केवल Smartphone repair नही quality, customer trust और business understanding भी जरूरी हैं।

इस पोस्ट से आपको क्या समझ आएगा?

Smartphone Repairing में earning किन-किन factors पर depend करती है।
Beginner और experienced technician में क्या फर्क होता है।
PCB, SMD, IC और motherboard knowledge क्यों important है।
Skill के साथ customer trust और business knowledge क्यों जरूरी है।
Beginner के लिए Smartphone Repairing का practical learning roadmap क्या होना चाहिए

अगर आपने, कभी experienced mobile repair करने वाले technician को काम करते हुए करीब से देखा है, तो आपको एक बात जरूर समझ आएगी कि Mobile Repairing सिर्फ mobile खोलने और parts बदलने का काम तो नहीं है।

असली skill तब दिखाई देती है जब customer एक ऐसा smartphone लेकर आता है जो बिल्कुल dead है, charging नहीं ले रहा, बार-बार restart हो रहा है या motherboard में कोई fault है और technician बिना घबराए धीरे-धीरे problem को diagnose करना शुरू करता है।

यही experience समय के साथ बनता है। और इसी experience की वजह से Smartphone Repairing एक ऐसी technical skill बन सकती है जिससे अच्छी earning की जा सकती है।

लेकिन एक बात शुरुआत में ही साफ कर देना जरूरी है कि Mobile Repairing कोई ऐसा काम नहीं है जिसमें आज सीखा और कल से बहुत पैसा आने लगे।

पहले skill बनानी पड़ती है, फिर experience आता है। उसके बाद speed, accuracy और customer trust बनता है। जब ये चीजें एक साथ आने लगती हैं, तब earning के रास्ते भी बढ़ने लगते हैं।

Smartphone Repairing में पैसा आखिर है कहाँ?

बहुत से beginners के मन में एक सवाल रहता है— “एक mobile repair करके आखिर कितने रुपये मिलेंगे?”

इसका कोई fixed answer नहीं है। Earning इस बात पर depend करती है कि आप किस तरह की repair कर रहे हैं, आपका experience कितना है, location कैसी है, customer base कितना है और आप कितनी accurately से fault diagnose कर पाते हैं।

शुरुआत में technician छोटी repairs से practical experience बनाता है।

Charging connector related repair
Speaker और microphone problems
Battery replacement
Display related work
Camera और sensor related problems
Software troubleshooting
Connector और flex related issues आदि

इसके बाद motherboard-level troubleshooting, Small components, ICs, power sections और circuit diagnosis की understanding बढ़ने लगती है।

यहीं से beginner और experienced technician के बीच का फर्क दिखाई देने लगता है।

सिर्फ Parts बदलना और Repairing करना एक जैसी बात नहीं है

Practical repairing में यह difference बहुत important है।

अगर किसी phone में charging problem है और technician केवल charging connector बदलना जानता है तो वह connector बदल देगा।

लेकिन अगर connector सही है और problem charging section के circuit में है तो actual fault finding skill की जरूरत होगी।

एक experienced technician पहले problem को समझता है, फिर testing करता है और उसके बाद repair का decision लेता है।

आओ एक practical example से समझते है

मान लीजिए customer एक smartphone लेकर आता है और कहता है: “भाई, मेरा phone charge नहीं हो रहा।”

यदि Beginner है तो शायद तुरंत charging connector या charging board बदलने के बारे में सोचेगा। लेकिन experienced technician पहले basics checks करेगा।

वह cable, adapter, connector condition और available measurements को check कर सकता है। जरूरत के अनुसार motherboard और charging section की तरफ diagnosis आगे बढ़ सकता है।

अगर fault किसी छोटे component, track या circuit section में है, तो हर situation में पूरा board बदलना जरूरी नहीं होता।

यही diagnosis skill का Process, एक technician की real strength है।

Smartphone Repairing में ज्यादा skill के लिए क्या सीखना जरूरी है?

1. Basic Electronics

सबसे पहले electronics की foundation मजबूत करें। Voltage, Current, Resistance, Continuity, Diode और basic circuit concepts को समझना जरूरी है।

Multimeter को केवल measuring device की तरह नहीं, बल्कि fault finding tool की तरह इस्तेमाल करना सीखिए।

2. Smartphone Hardware

इसके बाद smartphone के major hardware parts को समझिए।

Display
Battery
Charging connector
Speaker
Microphone
Camera
Sensors
Buttons
Flex cables
Connectors

सिर्फ नाम याद करना काफी नहीं है। यह समझना जरूरी है कि कौन-सा component किस section से जुड़ा है और इसके खराब होने पर किस तरह के symptoms दिखाई दे सकते हैं।

3. PCB और Motherboard की समझ

Smartphone का motherboard देखकर शुरुआत में बहुत सारे components दिखाई देते हैं। Capacitors, Resistors, Coils, Diodes, ICs और connectors देखकर beginner confuse हो सकता है।

लेकिन जैसे-जैसे practical experience बढ़ता है तो technician board को अलग-अलग sections में समझना शुरू करता है।

यही PCB knowledge आगे जाकर advanced repairing की foundation बनती है।

क्यों, आपके Skill का Chip-Level Repairing में पता चलता है?

जब आप basic replacement से आगे बढ़ते हैं तो motherboard-level repairing की बारी आती है।

यहाँ केवल screwdriver से काम नहीं चलता। यहाँ चाहिए:

Observation + Measurement + Circuit Understanding + Soldering Skill और ढेर सारा Patience.

कुछ faults में schematic या boardview की मदद लेनी पड़ सकती है। कहीं short find करना होता है, कहीं damaged component identify करना होता है और कहीं track या connection की समस्या हो सकती है।

कई situations में repair करने से पहले यह समझना जरूरी होता है कि fault का actual root cause क्या है।

सीखते समय Reference Material क्यों useful है?

Motherboard, Components, ICs और Fault Finding जैसे topics को समझने के लिए केवल एक-दो videos देखना हमेशा पर्याप्त नहीं होता। बार-बार reference करने के लिए structured material काफी useful रहता है।

Complete Smartphone Repairing Course E-book में basic से advanced Smartphone Repairing concepts को एक learning path में organize किया गया है, जिसे आप अपनी learning और revision के दौरान reference की तरह इस्तेमाल कर सकते हैं।

E-book की Details देखें

Experience की Value क्यों इतनी ज्यादा है?

एक चीज किताब पढ़कर पूरी तरह नहीं आती Practical Experience.

मान लीजिए आपने 100 बार पढ़ा कि capacitor क्या करता है। लेकिन जब आपके सामने actual motherboard आता है और कोई section abnormal reading देता है, तब आपको उस reading को interpret करना सीखना पड़ता है।

पहली बार शायद आप confuse होंगे। दूसरी बार थोड़ा समझ आएगा। कई बार practice के बाद patterns दिखाई देने लगेंगे।

और यही experience है।

हर repair से सिर्फ phone ठीक करना ही नहीं, बल्कि कुछ नया सीखना भी आपका लक्ष्य होना चाहिए।

कमाई सिर्फ Repairing से नहीं होती

एक experienced technician के लिए earning के कई रास्ते हो सकते हैं।

Repairing Service: Customers के smartphones repair करना।
Software Service: Supported software troubleshooting और related services।
Accessories: Chargers, cables, covers, tempered glass आदि।
Used/Refurbished Phones: स्थानीय नियमों और business practices के अनुसार।
Technician Training: Experience बढ़ने के बाद practical training देना।
Online Education: Blog, YouTube, E-book या online learning resources बनाना।

इसलिए Smartphone Repairing को सिर्फ “एक phone repair करके पैसे कमाने” तक सीमित करके नहीं देखना चाहिए।

छोटे शहरों में भी इसका अवसर है

Smartphone आज लगभग हर व्यक्ति की जरूरत बन चुका है। Phone खराब होने पर बहुत से लोग repair की possibility देखते हैं, खासकर जब repair और replacement cost में बड़ा अंतर हो।

लेकिन competition भी है। इसलिए केवल दुकान खोलना पर्याप्त नहीं है।

आपको अपने काम में professionalism दिखाना होगा।

एक professional technician के लिए important बातें:

Clean work
Honest diagnosis
Clear communication
Reasonable pricing
Quality repair
Customer trust

Customer Trust सबसे बड़ी Asset है

Repairing business में customer का trust बहुत valuable होता है।

Customer को साफ बताइए कि पहले phone check किया जाएगा, fault confirm होने के बाद repair cost बताई जाएगी।

जब customer को लगता है कि technician बिना unnecessary repair के actual problem समझने की कोशिश कर रहा है तो long-term trust बनाने में मदद मिलती है।

इसलिए सिर्फ repairing नहीं— Customer Dealing भी सीखिए।

Speed के पीछे भागने से पहले Accuracy सीखिए

Beginners अक्सर सोचते हैं: “जल्दी repair करना सीखना है।”

लेकिन शुरुआत में speed से ज्यादा important है correct diagnosis और safe working।

Safe Working → Correct Diagnosis → Quality Repair → Consistent Result → Speed

अगर आप Beginner हैं तो कहाँ से शुरुआत करें?

1 Foundation

Electronics basics, tools, multimeter, safety और componentsआदि

2 Basic Repairing

Phone opening, parts, connectors, battery, speaker, mic, display और charging आदि

3 Diagnosis

Voltage, continuity, diode mode, short finding और section identification आदि

4 PCB & SMD

Resistor, capacitor, coil, diode और अन्य सभी components जो PCB पर लगे होते है ।

5 Advanced Repairing

IC identification, power sections, charging sections और सभी प्रकार के motherboard troubleshooting आदि रिपेयर करना

6 Chip-Level Skills

Soldering practice, component replacement, track repair और microsoldering।

Smartphone Repairing से ज्यादा कमाई कैसे बन सकती है?

यहाँ एक important बात समझिए। कमाई सिर्फ इसलिए नहीं बढ़ती कि आपने Delhi, Mumbai, Gurugram, Noida, Hybdrabad या अन्य शहर के किसी Institute या Training Center से महँगा Mobile Repairing course कर लिया।

Skill + Experience + Diagnosis + Quality + Customer Trust + Business Management आदि।

इन सभी factors का combination आपकी earning potential को प्रभावित करता है।

एक अच्छा technician अगर customer dealing नहीं जानता तो business growth प्रभावित हो सकती है। और अच्छा business setup अगर technical quality कमजोर रखता है तो customer satisfaction की समस्या हो सकती है।

सबसे बड़ी गलती क्या है?

Mobile Repairing सीखने वाले कई beginners हर नई repair देखकर सोचते हैं: “यह भी सीखना है, वह भी सीखना है।”

इससे कुछ समय बाद बहुत सारी information देखकर confusion हो सकता है।

Better approach है:

एक skill सीखो → Practice करो → Real faults समझो → फिर अगली skill पर जाओ।

हर repair का छोटा record बनाइए: problem क्या थी, symptoms क्या थे, testing क्या की, fault कहाँ मिला और solution क्या था।

समय के साथ ये notes आपकी अपनी Repairing Knowledge Library बन सकते हैं।

एक दिन में Expert बनने का कोई shortcut नहीं है

YouTube पर कई videos देखकर Mobile Repairing आसान लग सकती है। लेकिन actual motherboard सामने आने पर practical situation अलग हो सकती है।

कभी fault तुरंत मिलेगा। कभी ज्यादा testing करनी पड़ेगी। कभी repair सफल होगी और कभी आपको फिर से diagnosis करना पड़ेगा।

यही practical journey है।

Smartphones लगातार बदल रहे हैं। नई technologies, नए processors, नए charging systems और नए motherboard designs आते रहते हैं।

इसलिए एक serious technician की learning भी लगातार चलती रहती है।

Certificate से ज्यादा Practical Skill पर ध्यान दें

Certificate आपकी learning को represent कर सकता है, लेकिन customer आपके certificate से ज्यादा आपके काम का result देखता है।

इसलिए course पूरा करने के साथ-साथ practical practice पर भी ध्यान दें। Practice boards पर safe environment में soldering और testing skills develop करें।

और सबसे जरूरी— जिस काम की knowledge नहीं है, उसमें बिना समझे experiment न करें।

📘 Smartphone Repairing को Seriously सीखना चाहते हैं?

अगर आपका goal सिर्फ mobile repairing के बारे में पढ़ना नहीं, बल्कि एक skilled Smartphone Technician बनने की दिशा में systematically सीखना है तो structured learning आपकी मदद कर सकती है।

Complete Smartphone Repairing Course E-book में Electronics, Hardware, PCB, SMD Components, Testing, ICs और Advanced Repairing concepts को एक learning path में रखा गया है।

आप पहले free learning content से शुरुआत कर सकते हैं। और अगर आपको एक जगह structured reference चाहिए, तो E-book को अपनी learning के साथ use कर सकते हैं।

Complete Smartphone Repairing E-book देखें

आखिर में एक बात अपने अनुभव से

अगर आप Smartphone Repairing को सिर्फ एक छोटा-मोटा काम समझकर सीखेंगे, तो शायद आपकी growth भी वहीं तक रहेगी।

लेकिन अगर आप इसे एक professional technical skill की तरह सीखते हैं, electronics को समझते हैं, motherboard को पढ़ना सीखते हैं, fault diagnosis पर काम करते हैं और customer trust बनाते हैं, तो यही skill आपके लिए लंबे समय तक उपयोगी हो सकती है।

शुरुआत छोटी हो सकती है। पहली repair छोटी हो सकती है। पहली earning भी छोटी हो सकती है।

लेकिन आपकी skill छोटी नहीं होनी चाहिए।

आज छोटी repair से शुरुआत हो सकती है, लेकिन लक्ष्य सिर्फ आज की earning नहीं होना चाहिए।

लक्ष्य होना चाहिए—एक ऐसा skilled technician बनना जिस पर customer difficult problem लेकर भी भरोसा कर सके।

क्योंकि Mobile Repairing में कमाई का मजबूत आधार सिर्फ phone repair करना नहीं है।

असली आधार है—आपकी Skill, आपका Experience और आपके काम पर Customer का Trust.

Smartphone Repairing FAQ

क्या Smartphone Repairing से अच्छी earning हो सकती है?

हाँ, earning की संभावना होती है, लेकिन यह skill level, experience, repair type, location, customer base, pricing और business management जैसे factors पर depend करती है।

क्या beginner Smartphone Repairing सीख सकता है?

हाँ। Beginner को पहले electronics और basic hardware से शुरुआत करके धीरे-धीरे diagnosis, PCB और advanced repairing की तरफ बढ़ना चाहिए।

क्या सिर्फ YouTube videos देखकर technician बन सकते हैं?

Videos learning में मदद कर सकते हैं, लेकिन practical experience, supervised practice और real fault diagnosis की understanding भी महत्वपूर्ण है।

Mobile Repairing में सबसे important skill क्या है?

Basic electronics understanding, fault diagnosis, safe working, soldering skill और practical experience सभी महत्वपूर्ण हैं।

क्या motherboard repairing सीखना जरूरी है?

अगर आपका लक्ष्य advanced Smartphone Repairing करना है, तो PCB और motherboard troubleshooting की knowledge काफी उपयोगी हो सकती है।

Complete Smartphone Repairing E-book किसके लिए है?

यह उन learners के लिए बनाई गई है जो Smartphone Repairing को structured तरीके से Hindi में basic से advanced concepts तक समझना चाहते हैं।

✍️ Aditya from MobiTechCareer

Smartphone Repairing, Mobile Hardware, PCB और Technician Education से जुड़े practical learning resources के लिए।

Note: Smartphone Repairing में earning किसी fixed amount की guarantee नहीं है। Actual income आपकी skill, experience, location, customer demand, repair quality, business expenses और अन्य परिस्थितियों पर depend कर सकती है।

Smartphone Hardware Repair Step by Step हिंदी | Practical Guide + PDF

2026-10-08T22:24:53.328+05:30

अगर आप Smartphone Repairing सीखना चाहते हैं और बार बार आने वाले Hardware Fault जैसे Dead Phone, Shorting, Charging Problem व Network Issue को आसान तरीके से समझना चाहते हैं तो यह Guide आपके लिए है। इस Post के साथ आपको Complete Practical PDF eBook भी मिलेगी जिससे आप Step by Step 7 हार्डवेयर खराबियों की Repairing सीख सकते हैं।

📥 Download eBook

Smartphone Repairing में काम हमेशा, एक Flow में करना चाहिए। जब भी कोई Fault आए तो हमेशा ये सूत्र याद रखें। पहले Observe - फिर Measure - उसके बाद ही Repair करना । यही फ़ोन रिपेयर करने का आज के टाइम में Professional तरीका बन गया है।

Smartphone Hardware Faults Easy Repair Guide

1. Dead Smartphone का Fault

जब Smartphone बिल्कुल ON नहीं होता तो सबसे पहले Battery Voltage Check करें। उसके बाद DC Power Supply लगाकर Current Observe करें। अगर Current नहीं उठता तो Supply Line Open है। अगर Current Direct High जाता है तो Short है। Practical में Power Line का Capacitor Short सबसे ज्यादा मिलता है। Injected Voltage Method से Short Component Identify करें और Remove करें।

2. Shorting का Fault

Smartphone में Short होने पर Board Heat होता है और Current High जाता है। Low Voltage Inject करें और Heat Spot Identify करें। जहाँ Heat मिले वही Faulty Component है। अधिकतर छोटे SMD Capacitor Short होते हैं। उसे Remove करते ही Current Normal हो जाता है।

3. Speaker संबंधित Fault

अगर Sound नहीं आ रहा है तो सीधे Speaker Replace न करें। पहले Multimeter के Buzzer Mode में Speaker Check करें। अगर Speaker सही है तो Speaker Line Follow करें। कई बार छोटे Resistance या Capacitor Fault होने से Sound पूरी तरह बंद हो जाता है।

4. Microphone संबंधी Fault

अगर सामने वाले को आवाज नहीं जा रही है तो Mic Change करने से पहले उसकी Line Check करें। Multimeter से Resistance Value Measure करें। Mic Line में Track Cut या Capacitor Fault हो सकता है। कई बार सिर्फ Jumper लगाने से Problem Solve हो जाती है।

5. Water Damage से Fault

Smartphone पानी में गिरने के बाद सबसे बड़ी गलती होती है सीधे Power देना। पहले PCB खोलें और IPA से Cleaning करें। Brush से Corrosion हटाएं। पूरी तरह Dry करने के बाद ही Supply दें। Water Damage में अक्सर Short और Open Line बनती है

6. Network संबंधित Issue

Signal नहीं आ रहा है तो सीधे Network IC पर काम न करें। पहले Antenna Point और RF Section Check करें। RF Line के Capacitor और Coil बहुत Sensitive होते हैं। एक छोटा Fault पूरा Network बंद कर सकता है।

7. Charging संबंधी Problems

अगर Smartphone Charge नहीं हो रहा है तो सबसे पहले Charging Connector Check करें। फिर Charging Line में Voltage Track करें। Charging IC के आसपास Diode Capacitor और Fusible Resistance Check करें। Track Cut हो तो Jumper लगाएं।

निष्कर्ष

उपरोक्त आर्टिकल को पढ़ने के बाद आप समझ गए हैं कि हर Fault का एक Pattern होता है। जैसे Dead में Power Line Check करते हैं। Short में Capacitor Check किया जाता है। Audio में Line Check करते हैं। Network में RF Section को Check करना पड़ता है। Charging में Input Line को Check किया जाता है। शांत मन से इसमें बिल्कुल भी जल्दबाजी न करें। Random से किसी भी पार्ट को Heating न करें। हमेशा Battery Remove करके ही Soldering करते हैं। DC Power Supply का सही Use सीखें। Practice ही आपको Professional Technician बनाती है।

Flash IC Identification Works Faults in Hindi

2026-10-08T22:24:22.301+05:30

Flash IC: Identification, Works and Faults in Hindi

Mobile phone pcb circuit board per flash ic ki pahchan kaise kare. Mobile phone repairing course online free in hindi me sikhe. Mobile cell phone repair krna sikhe. Aaj ke lesson me aap sikhenge pcb per Flash IC ki identify krna. CPU identification lesson me humne sikha tha ki cpu flash ic ke niche hota hai. To falsh ic cpu ic ke upar laga hota hai. Flash ic power section me laga hota hai. IC dikhne me kaisi hai, pcb per ic ka location kahan hai, Kis ic ke aas-paas ya upar-niche lagi hoti hai, pcb per ksi section me lagi hoti hai etc ki jankari ko yaad rakhna hai. Aajkal ke mobile phone ki RAM or ROM IC ko flash ic ke sath hi banakar pcb per laga diya jata hai. Isliye Falsh IC ko RAM IC, ROM IC, Memory IC or EEPROM IC ke naam se bhi jana jata hai. Is lesson me hum motherboard per memory ic ki pahchna krna sikhenge.

Identification:

Flash IC ko Memory IC, EEPROM IC, ROM (Read Only Memory) IC or RAM (Random Access Memory) IC bhi kaha jata hai. Yah mobile phone ke pcb per power section me lagi hoti hai. Flash ic pcb per others ic ke compare slim hoti hai. yah CPU kea aas-pas lagi hoti hao or yah aayataakar hoti hai.

Works:

Mobile Phone ka OS (Operating Software) flash ic me install hota hai. Jab hum mobile phone me software flashing krte hai to purana software ke place per naya software install ho jata hai.

Flash IC Faults:

Flash ic ke faults se hone wali problems: -

1. Mobile phone not working.

2. Mobile phone dead fault.

3. Software flashing nahi honga.

4. Software related all others problems

Practice:

Mobile phone pcb circuit board per flash ic ki pahchan krna khud practically krke sikhe.

Cell phone repair me ab aap flash ic ko pcb per easily pahchan kar skte hai. Aapko ek pcb per all parts ki khud identify krna sikhna hai. iske liye aap time pe time apna TEST lete rahe. Only read krne se kuch nahi honga aapko khud pcb per pahchan krke sikhna honga.

Flash IC – Mobile Repairing FAQs

Q1. Flash IC kya hota hai mobile me?
Flash IC camera flash ko control karta hai, correct voltage aur timing provide karta hai taaki flash sahi se kaam kare.

Q2. Flash IC fail hone ke symptoms kya hote hain?
Flash kaam nahi karna, dim light, inconsistent flash, camera app error, ya flash sirf kabhi kaam kare.

Q3. Flash IC ko kaise test karein?
Voltage supply aur ground lines check karein, flash connector aur data lines continuity test karein, aur working motherboard setup me verify karein.

Q4. Flash IC damage hone ke common reasons kya hote hain?
Water damage, voltage spike, physical shock, motherboard short, corrosion ya faulty soldering.

Q5. Flash IC replace karna safe hai?
Haan, proper hot-air station, flux, temperature control aur alignment maintain karna zaroori hai.

Q6. Flash IC jumper se fix ho sakta hai?
Nahi, Flash IC direct camera flash aur motherboard se connect hota hai. Jumper se fix nahi hota.

Q7. Flash IC aur Camera IC me difference kya hai?
Flash IC sirf flash control karta hai, Camera IC camera module signals aur image capture ke liye responsible hota hai.

Phone PCB Par Ringer IC Ki Identification Krna Sikhe Hindi Me | Ringer IC Works & Faults

2026-10-08T22:22:56.496+05:30

Ringer IC: Identification Works Faults in Hindi

mobile phone repairing krna or sikhna dono bahut hi aasan hai. Lekin isse pahle aapko mobile phone pcb circuit board par lage sabhi parts ko identify krna aana chahiye. Mobile phone parts ki identification, works or faults ko jaane bina aap cell phone ki kisi bhi hardware problem or faults ko sudhar, solve, fix, repair or solution nahi kar skte hai. Aap mobile phone repair tabhi kar skte hai jab aapko pcb par lage a to z parts ki jankari ho.

Aap MobiTechCareer par online free complete mobile phone repairing course sikh skte hai. Aapko regularly lesson sikhne hote hai. Agar aap kisi reason se continue nahi sikh pate hai to mobile repairing books pdf in Hindi ko download kar skte hai. Aaj ke lesson me aap sikhenge PCB per Ringer IC ki pahchan kaise kare. to chaliye shuru krte hai.

Identification:

Mobile phone ki pcb circuit board diagram me yah power section me lagi hoti hai. yah IC SIM IC ki tarah chhote size ki hoti hai. yah chamakdar black colour me dikhti hai. Basically yah power ic ke aas-pas hi lagi rahti hai.

Works: yah mobile phone me ringer ke works ko control krti hai. Cell phone me ringer call ringtone, audio, video sound ko loud sunata hai.

Faults: Ringer ic ke faulty (khrab) ho jane par ringer not working yani karya krna band kar dega.

Ab aapne phone motherboard par is IC ki pahchan krna sikh liya hai. Aap khud practice krke power section me power ic ke upar-niche, right-left me is IC ko khoje. Ek bar aap iski pcb per location find kar lete hai to aapko kisi bhi pcb per isko khojne me koi problem nahi aayegi. Kya aap humhe thanks kahna chahate hai. Thanks ke badme me aap mobile phone repairing course ko apne school, collage ke classmates or social sites (facebook, twitter, google+. Whatsapp etc.) ke friends ke sath share kar skte hai.

Ringer IC – Mobile Repairing FAQs

Q1. Ringer IC kya hota hai mobile me?
Ringer IC phone ka vibration aur ringtone control karta hai. Ye incoming call aur notification ke liye responsible hota hai.

Q2. Ringer IC fail hone ke symptoms kya hote hain?
Phone me vibration nahi aana, ringtone nahi bajna, mute hone ke baad bhi sound nahi, notification tone kaam na karna.

Q3. Ringer IC ko kaise test karein?
Multimeter se voltage supply check karein, continuity test, vibration motor aur speaker line check, aur working motherboard setup me verify karein.

Q4. Ringer IC damage hone ke common reasons kya hote hain?
Water damage, physical shock, voltage spike, motherboard short, corrosion ya faulty soldering.

Q5. Ringer IC replace karna safe hai?
Haan, proper hot-air station, flux, temperature control aur alignment maintain karna zaroori hai.

Q6. Ringer IC jumper se fix ho sakta hai?
Nahi, Ringer IC direct motherboard se connect hota hai vibration aur ringtone ke liye. Jumper se fix nahi hota.

Q7. Ringer IC aur Audio IC me difference kya hai?
Ringer IC vibration aur ringtone control karta hai, Audio IC overall sound processing aur speaker/mic signals handle karta hai.

Charging Diode Identification in Hindi

2026-10-08T22:21:50.781+05:30

Charging Diode: Identification, Works or Faults

Full mobile phone repairing course free online me aaj ke lesson me aap sikhenge ki mobile ki Printed Circuit Board (Motherboard) per Charging Diode ki identify kaise kare. PCB per charging diode ki pahchan kaise kare, iske karya or khrabiya kya hai. Mobile repair krte time aapko mobile pcb per all parts ki pahchan hona jaroori hai. Kisi bhi mobile cell phone ya smartphone ki PCB ko jaane bina aap uski hardware faults ko solve (Thik) nahi kr skte hai. Mobile circuit board per bahut types ki hardware problems aati hai. Jiske solution ke liye aapko pcb per pratyek small, big ya card level parts ki pahchan hona aawshyak hai. Abhi aap small parts ki pcb per pahchan krna sikh rahe hai. Abhi aap diodes ek type – charging diodes ke baare me sikhenge, to chaliye shuru krte hai.

Identification:

Mobile phone ki pcb per yah charging section me laga hota hai. Iski pahchan krna bahut hi aasan hai. Yah black colour ka hota hai. Jiske ek taraf ki leg lambi hoti hai. Dusri taraf ki leg chhoti hoti hai. Jis taraf ki leg chhoti hoti hai wo positive (+) point hota hai.Isliye ise pcb se remove krte time yah dhyan rakhe ki positive point kis or laga hai. Adhiktar handsets me yah charging connector ke aas-paas laga rahta hai. Charging diode ki current voltage capacity fix hoti hai jaise 4V, 6V etc.

Works:

Charging diode apni capacity se adhik current aage nahi supply krta hai. Yah 4V ka hai to aage 4V hi current supply karega. 6V hai to 6V supply dega. Yah current ko apni capacity ke anusar aage filter krta hai. Mobile phone ka charger 7-8 volt current supply krta hai. Charging diode current supply ko kam krke aage supply krta hai. Jisse IC, Small Parts damage na hote hai. Yah current or voltage ko control krta hai.

Faults:

Yah khrab ho jata hai mobile phone me yah faults aati hai –

(A) Charging diode ke faulty ho jane per mobile phone ki battery charge hona band ho jayegi.

(B) Iske kharab hone battery charging related others problems aati hai.

Practice:

Aap ek mobile circuit board (PCB) le or us per ek gahre black colour ke parts ko khoje jo do legs ka hai, jiski ek taraf ki leg lambi or dusri taraf ki leg chhoti hoti hai.

Kya Aap Jante Hai ?

Diodes 4 types ke hote hai –

1. Photo Diode

2. Charging Diode (Zener Diode)

3. Rectifier Diode

4. Light Emitting Diode (LED)

Mobile repairing course hindi me next lessons ke liye ready rahe, new lessons jald hi website per publish honge. Sikhte rahiye mobile repair course, zara smile ke sath. Kyonki mobile cell phone repair me bahut jobs or scopes hai. Aapke hoonar ko koi chhupa nahi skta.

Charging Diode – Mobile Repairing FAQs

Q1. Charging Diode kya hota hai mobile me?
Charging Diode ek one-way current device hai jo charging path me current ko proper direction me flow karne deta hai aur reverse current se circuit protect karta hai.

Q2. Charging Diode fail hone ke symptoms kya hote hain?
Phone charge nahi hota, battery drain fast, overheating, ya charging LED indicator kaam nahi karna.

Q3. Charging Diode ko kaise test karein?
Multimeter diode mode me forward aur reverse bias voltage check karein; reverse leakage ya open circuit observe karein.

Q4. Charging Diode damage hone ke common reasons kya hote hain?
Overvoltage, reverse polarity, short circuit, ya physical damage.

Q5. Charging Diode replace karna safe hai?
Haan, proper soldering aur alignment maintain karna zaroori hai. Same rating diode use karein.

Q6. Charging Diode jumper se fix ho sakta hai?
Nahi, diode one-way current aur circuit protection ke liye hota hai. Jumper se fix nahi hota.

Q7. Charging Diode aur Power IC me difference kya hai?
Charging Diode sirf current direction aur protection provide karta hai, Power IC voltages regulate aur distribute karta hai.

Charging IC - Identify on Mobile Phone PCB Circuit Board Diagram | Charging IC Works and Faults in Hindi

2026-10-08T22:20:49.140+05:30

Charging IC: Mobile Phone PCB Par Identification Works Faults Hindi Me

Aap sikh rahe hai MobiTechCareer - mobile phone repairing course online in Hindi. Aaj ke lesson me aap sikhenge pcb par charging ic ki pcb circuit board par kaise identify kare. Mobile phone pcb circuit board (PCB) identification ko samajhne ke liye humne pcb par solder parts ko 3 types me divide kiya – 1. Card level parts, 2. small parts or 3.big parts or IC.

Abhi hum big parts ki pcb par identification (pahchan), karya or khrabiya sikh rahe hai. PCB par sabhi parts ke apne-apne alag sections bane hote hai. Fir bhi pcb ke two main section hote hai – 1. network section or 2. power section. Charging ic mobile phone ke power section ke charging section me lagi rahti hai. Kya aap pcb par charging ic ki pahchan kar skte hai, is lesson ko sikhne ke bad aap easily charging ic ki pcb par identify kar skte hai. to chaliye shuru krte hai.

Identification:

Mobile phone ke power section me lagti hai. yah light ic ke size ki hoti hai lekin keypad ic se small hoti hai. Adhiktar mobile sets me yah charging connector ke sabse najdik or aas-paas hi lagi rahti hai.

Works: Mobile phone ke charger se current lekar battery ko charging krne ke karya krti hai. Battery charging krne ke karya ko control krti hai.

Faults: Charging ic ke khrab hone par ye fault aati hai –

1. Cell phone battery not charging.

2. Charging ic ke short hone par phone dead hona.

Mobile phone repair course online in Hindi me big parts or IC ki PCB par identification krna bahut hi aasan hai. Aap kitna sikh rahe hai iske liye time par time par apna test lete rahe. aapko khud practice krke sikhna hai. Mobile repairing course Hindi ko continue sikhte rahiye.

Charging IC – Mobile Repairing FAQs

Q1. Charging IC kya hota hai mobile me?
Charging IC mobile me battery charging process aur USB power management ke liye responsible hota hai. Ye voltage regulate karke battery ko safely charge karta hai.

Q2. Charging IC fail hone ke symptoms kya hote hain?
Phone charge nahi hota, charging slow hoti hai, battery drain fast, USB detect nahi hota, ya phone power off/restart ho jata hai charging ke time.

Q3. Charging IC ko kaise test karein?
Voltage lines check karein, USB data aur power lines continuity test, battery connector aur charging port check karein, aur working motherboard setup me verify karein.

Q4. Charging IC damage hone ke common reasons kya hote hain?
Voltage spike, water damage, physical shock, motherboard short, corrosion, ya faulty soldering.

Q5. Charging IC replace karna safe hai?
Haan, proper hot-air station, flux, temperature control aur alignment maintain karna zaroori hai.

Q6. Charging IC jumper se fix ho sakta hai?
Nahi, Charging IC direct battery aur USB lines se connect hota hai. Jumper se fix nahi hota.

Q7. Charging IC aur Power IC me difference kya hai?
Charging IC charging aur USB power control karta hai, Power IC overall voltage regulation aur battery management karta hai.

Light Emitting Diode LED Identification in Hindi

2026-10-08T22:19:10.236+05:30

Light Emitting Diode (LED): Identification, Works or Faults in Hindi

Mobile repairing me aaj ke lesson me aap sikhenge ki mobile pcb circuit board per light emitting diode yani LED ki pahchan kaise kare. Yah ek light hoti hai jo mobile phone ke keypad or display screen me lagi hoti hai. Yah mobile phone ka card level type ka part hota hai. Yah white, yellow, blue or green colour ka hota hai. Adhiktar mobile phone me yah yellow colour ka laga hota hai. Mobile phone PCB board per led ki pahchan krna bahut hi aasan hai. Kyoynki yah ek light hai. To chaliye shuru krte hai motherboard per led ki pahchan krna or jante hai iske karya or khrabiya kya hoti hai.

Identification:

Yah PCB per white, yellow colour me adhik laga milta hai. Yah shape or size me lagbhag charging diode ki tarah ki dikhai deta hai. Jo PCB per dono taraf legs se solder huya hota hai.

Works:

LED mobile phone ke keypad buttons or display screen me light jalaane ka karya krti hai.

Faults:

Iske faulty ho jane per keypad or display me light nahi jalegi.

Practice:

Ek keypad mobile phone ki pcb lijiye or us per led light ki khoj kijiye.

Kya Aap Jante Hai ?

Mobile cell phone pcb circuit board per led light ki pahchan krna sbse pahchan hai. Yah pcb per keypad tickly/tips ke aas-pas lagi milti hai. Light sections me LED light PCB per series or parallel connections me hoti hai.

Mobile phone repairing course me small parts ki pcb per pahchan krne ke lesson lagbhag complete hone wale hai. Ab aap all small parts ki mobile motherboard per pahchan kar chuke hai. Aapne kitna sikha, yah janane ke liye apna TEST lete rahe. Mobile repair course online in hindi me continue sikhte rahiye or apne face per hamesha ek muskan rakhe.

LED – Mobile Repairing FAQs

Q1. LED kya hota hai mobile me?
LED (Light Emitting Diode) ek light source hai jo notification, flash, backlight aur display indicator ke liye use hota hai.

Q2. LED fail hone ke symptoms kya hote hain?
Flash ya notification light kaam nahi karna, display backlight fail, ya screen dim dikhe.

Q3. LED ko kaise test karein?
Multimeter diode mode ya LED tester se check karein; voltage supply aur current observe karein.

Q4. LED damage hone ke common reasons kya hote hain?
Overvoltage, short circuit, physical damage, water damage, ya faulty soldering.

Q5. LED replace karna safe hai?
Haan, proper soldering aur alignment maintain karna zaroori hai. Same type aur rating LED use karein.

Q6. LED jumper se fix ho sakta hai?
Nahi, LED direct current aur voltage supply se operate hota hai. Jumper se fix nahi hota.

Q7. LED aur Backlight me difference kya hai?
LED individual indicator ya flash ke liye hota hai, Backlight screen brightness aur display visibility ke liye use hota hai.

Light IC - Mobile Phone Motherboard Par IC Ki Pahchan Krna Sikhe | Light IC Ke Works or Faults Hindi Me

2026-10-08T22:17:17.040+05:30

Light IC: Identification Works Faults in Hindi

Mobile phone repairing me aaj ke lesson me aap sikhenge ki pcb par light ic ki identify kaise kare, cell phone me light ic ke karya or khrabiya kya hai. PCB par parts ki pahchan krna bahit hi aasan hai. Aap kisi bhi big parts ki pcb par aasni se identify kar skte hai.

Light IC ki bhi pcb par easily pahchan kar skte hai. MobiTechCareer ka mobile repairing course online free sikh skte hai. humhara mobile phone repair course naye sikhne wale or purane sikhe huye dono ke liye bahut hi important hai. Aap mobile phone sudharane ka karya kisi institute ya mobile repair shop par sikh rahe hai to bhi aapke ke liye sone par suhaga jaisa useful hai. PCB circuit board par light ic ko kaise pahchane ? to chaliye shuru krte hai.

Identification:

Light ic mobile phone ki pcb board par light section lagi rahti hai. yah ic SIM IC jaise hi small hoti hai or chamakdar black me hoti hai. Basically yah boost coil ke aas-paas hi lagti hai. Boost coil ki pcb par pahchan krne ka lesson sikhe. Old mobile handsets me light ic 8-10 legs wali hoti thi par aajkal latest mobile phones me yah ic ball ic hoti hai.

Works: Light ic mobile phone ke keypad or display screen me light jalaane or light section ke works ko control krti hai.

Faults: Light ic ke faulty ho jane par cell phone ke display or keypad me light nahi jalegi –

(A). Keypad led light not working.

(B). Display screen light not working.

Mobile phone repair course ko aap jitna enjoy krke sikhnge utne hi jaldi aap sikhete jayenge. Aap abhi phone pcb circuit board yani motherboard par various small, big or card level parts ki pahchan, karya or khrabiya sikh rahe hai.

Light IC – Mobile Repairing FAQs

Q1. Light IC kya hota hai mobile me?
Light IC phone me display backlight aur proximity sensor control karta hai. Ye brightness aur sensor function ke liye responsible hota hai.

Q2. Light IC fail hone ke symptoms kya hote hain?
Display dim ya bright nahi hona, auto brightness kaam na karna, proximity sensor fail, screen on/off issues.

Q3. Light IC ko kaise test karein?
Voltage supply check karein, backlight lines continuity test, proximity sensor line test aur working motherboard setup me verify karein.

Q4. Light IC damage hone ke common reasons kya hote hain?
Water damage, physical shock, voltage spike, motherboard short, corrosion ya faulty soldering.

Q5. Light IC replace karna safe hai?
Haan, proper hot-air station, flux, temperature control aur alignment maintain karna zaroori hai.

Q6. Light IC jumper se fix ho sakta hai?
Nahi, Light IC direct motherboard se connect hota hai display aur sensor ke liye. Jumper se fix nahi hota.

Q7. Light IC aur Display IC me difference kya hai?
Light IC backlight aur sensor control karta hai, Display IC screen ke graphic aur touch signals process karta hai.

VCO - Voltage Controller Oscillator Identification in Hindi

2026-10-08T22:15:20.369+05:30

VCO- Voltage Controller Oscillator: Identification, Works and Faults in Hindi

Mobile repairing course me aap sikh rahe hai cell phone PCB per Network or Power section me lage big parts or IC. Aaj ke lesson me aap network section me lage VCO ke baare me sikhenge. Aap mobile phone repair kar skte hai. is field me career or scope bahut hai. Jis tarah se aaj new smartphone market me launch ho rahe hai. aaj cell phone repair industry me rojgar or jobs pane ke aneko mauke hai. Isliye aap or aapke friends berojgar hai to aaj se hi phone repair ka hoonar sikh kar mahino ke lakho kama skte hai. Aap apni mobile repairing shop open kar skte hai or baithe baithe apne dimag or hath ke hoonar se apne dreams ko pura skte hai. Apna cell phone sudharane ke business krke lakho kamaye. To chaliye hum apne lesson ko shuru krte hai.

VCO Ki PCB Per Pahchan Krna Sikhe

Identification:

Mobile phone ki pcb per VCO network section me lagta hai. Yah network ic ke aas-pas lagta hai. yah ek IC hoti hai. Yah black colour ki ball IC hoti Hai.

Works:

Yah CPU or Network IC ko dates, time or voltage bhejne ka karya krta hai. Yah CPU se command lene ke bad frequency bhi banata hai.

Faults:

VCO ke faulty hone par mobile phone me network nahi aayega. Mobile phone ke display screen par call lagane ke dauran ‘Call Failed’ or ‘Call End’ likha aata hai.

Important Information

Agar aap kisi bhi mobile phone repairing institute in Delhi, Dhaka, Kathmandu, Karachi ya world me kisi bhi place par kisi institute se mobile repairing sikh rahe hai to yah site aapke liye bahut hi useful hai. Aap is website ki help se aap easily free complete full course sikh skte hai. Agar aapka koi friend mobile sikh raha hai ya sikh gya hai ya sikhne wala hai unko iski jankari hai. Ho skta hai aapne kisi institute se nahi sikhe wo is per sikh le. Isliye apne friends ke sath share jarur kariye. Aapke aisa krne per aapko, aapke friend ko or humhe bahut khusi hongi.

VCO IC – Mobile Repairing FAQs

Q1. VCO IC kya hota hai mobile me?
VCO (Voltage Controlled Oscillator) IC mobile me frequency signals generate aur regulate karta hai jo network communication aur RF circuits ke liye zaroori hote hain.

Q2. VCO IC fail hone ke symptoms kya hote hain?
No network, call drop, weak signal, phone stuck on searching network, ya RF module issues.

Q3. VCO IC ko kaise test karein?
Voltage supply aur ground check karein, RF output frequency measure karein, aur working motherboard setup me verify karein.

Q4. VCO IC damage hone ke common reasons kya hote hain?
Voltage spike, water damage, physical shock, motherboard short, ya faulty soldering.

Q5. VCO IC replace karna safe hai?
Haan, proper BGA/hot-air rework station, flux, temperature control aur alignment maintain karna zaroori hai.

Q6. VCO IC jumper se fix ho sakta hai?
Nahi, VCO IC direct RF aur network circuits se connect hota hai. Jumper se fix nahi hota.

Q7. VCO IC aur Network IC me difference kya hai?
VCO IC frequency generate aur regulate karta hai, Network IC overall cellular communication manage karta hai.

Rectifier Diode Identification in Hindi

2026-10-08T22:14:17.165+05:30

Rectifier Diode: Identificion, Works or Faults in Hindi

Mobile cell phone repair course online in Hindi me aaj ke lesson me aap sikhenge ki mobile PCB yani motherboard per Rectifier Diode ki pahchan kaise kare. Iske karya or khrabiya kya hai. Mobile phone ki pcb per four types ke diode lage hote hai – Charging diode, photo diode, rectifier diode or led. Abhi aap diode k ek type rectifier diode ki PCB circuit board per identification krna sikhenge. To chaliye shuru krte hai.

Identification:

Rectifier diode black colour ka hota hai. Yah mobile phone ke pcb per kisi section me laga mil jata hai. Yah charging diode se height me dauguna hota hai. Yah dikhne me IC ke tarah dikhai deta hai. Lekin iske side me legs pcb per solder hui dikhai deti hai.

Works:

Yah mobile phone me AC current ko DC current me convert krne ka karya krta hai.Yah current ko one direction me pass krta hai. Yah reverse direction me current pass nahi krta.

Faults:

Iske khrab ho jane per current ka AC to DC me convert hone ka karya band ho jata hai.

Practice:

Mobile phone ki pcb lijiye or us per uper batayi rectifier diode ki identification ke anusar iski khoj kare.

Kya Aap Jante Hai ?

Mobile phone ki PCB per sbse adhik small parts hote hai, Diode ek small part hai. But diode ke 3 types small parts me aate hai – charging diode, rectifier diode or photo diode etc. Lekin Light Emitting Diode (LED) mobile phone ke card level part me aata hai.

Aapne Kya Sikha ?

Iske liye aapko apna ek TEST lena hai, jisme aapko koi 5 small parts ki pcb per identification bataani hai. Ek bar test complete hone ke bad aap apne test ka evaluation kare. Is type se time – time per apna test lete rahe ki aap kitna sikh rahe hai. Jab tak aap khud krke nahi sikhenge, tab tk aap kuch bhi perfect tarike se nahi sikh rahe hote hai.

Mobile cell phone repairing training course online in Hindi me continue sikhte rahiye or muskrate rahiye. Mobile repair course Hindi me sikhna ab or bhi aasan honga jab aap mobile phone ki PCB per all small parts ki identification krna sikh jayenge, tab aap mobile phone ki pcb ko aasni se samajh skte hai.

Rectifier Diode – Mobile Repairing FAQs

Q1. Rectifier Diode kya hota hai mobile me?
Rectifier Diode AC voltage ko DC me convert karta hai aur motherboard ke different circuits ko proper polarity provide karta hai.

Q2. Rectifier Diode fail hone ke symptoms kya hote hain?
Phone boot nahi hota, charging issue, voltage drop, overheat, ya battery drain fast.

Q3. Rectifier Diode ko kaise test karein?
Multimeter diode test mode me check karein, forward aur reverse bias voltage verify karein, aur voltage supply lines observe karein.

Q4. Rectifier Diode damage hone ke common reasons kya hote hain?
Voltage spike, reverse polarity, water damage, motherboard short, ya faulty soldering.

Q5. Rectifier Diode replace karna safe hai?
Haan, proper soldering aur alignment maintain karna zaroori hai. Expert knowledge recommended hai.

Q6. Rectifier Diode jumper se fix ho sakta hai?
Nahi, Rectifier Diode direct voltage conversion aur circuit protection ke liye hota hai. Jumper se fix nahi hota.

Q7. Rectifier Diode aur Zener Diode me difference kya hai?
Rectifier Diode AC to DC convert karta hai, Zener Diode voltage regulation aur protection ke liye use hota hai.

Works: Mobile phone par SIM ke works ko control krti hai. SIM Card ke all works ko is ic ke dwara hi contraol kiye jate hai.

Faults: Yadi agar sim ic fault ho jati hai to cell phone me sim not working yani sim karya krne band kar deti hai. Mobile display screen par ‘Insert SIM’ or ‘No Service’ ilkha show hota hai.

Mobile phone repair course ko sikhkar perfect technician bane. Aapko yaha per completely practically course sikhaya ja raha hai Aap khud bhi practice kare. printed circuit board par batayi gayi identification ke aadhar par khoje. Isse aapko pcb par all parts ki location or pahchan aasani se yaad ho jayegi.

SIM IC – Mobile Repairing FAQs

Q1. SIM IC kya hota hai mobile me?
SIM IC phone me SIM card se related communication aur authentication handle karta hai. Ye SIM signal, network aur security functions ke liye responsible hota hai.

Q2. SIM IC fail hone ke symptoms kya hote hain?
No SIM, SIM card error, network drop, phone baseband unknown, emergency call only, SIM detection issue.

Q3. SIM IC ko kaise test karein?
Multimeter se short/voltage check, SIM line continuity test, network line test aur motherboard ko working setup me test karein.

Q4. SIM IC damage hone ke common reasons kya hote hain?
Water damage, physical damage, voltage spike, motherboard short, corrosion ya SIM tray issue.

Q5. SIM IC replace karna safe hai?
Haan, proper hot-air station, flux, temperature control aur alignment maintain karna zaroori hai.

Q6. SIM IC ko jumper se fix kar sakte hain?
Nahi, SIM IC direct motherboard se connect hota hai proper signal ke liye. Jumper se fix nahi hota.

Q7. SIM IC aur Baseband IC me difference kya hai?
SIM IC SIM communication aur authentication ke liye hota hai, Baseband IC network, signal processing aur modem functions ke liye responsible hota hai.

Photo Diode Identification in Hindi

2026-10-08T22:10:57.849+05:30

Photo Diode: Identificion, Works or Faults in Hindi

Mobile repairing course online in Hindi – MobiTechCareer per aaj ke lesson me aap sikhenge ki pcb circuit board per Photo Diode ki pahchan kaise kare. Iske karya or khrabiya kya hai. Mobile cell phone repair krna bahut easy hai. Agar aap pcb per lage or solder huye all small, big parts, IC or card level parts ki identify krna sikh jate hai to. Wo aap ab sikh rahe hai. Aap apne hoonar ko sahi time per use kare to aapko success hone se koi nahi rok skta hai. Mobile repairing ek hoonar hi hai, Jisse lakho kamaye ja skte hai. Ek perfect mobile repair technician ki monthly income lakho me hoti hai. Kisi bhi field me jab tk hum perfect nahi bante tab tk lakho ki to door hajro ki bhi nahi soch skte. Kyon lakho me vahi kamate hai jinme hoonar hai or wo hoonar aap is site ke dwara sikh rahe hai. To chaliye shuru krte hai. PCB per photo diode ki pahchan kaise kare.

Identification:

Yah mobile phone ke pcb per kuch section me laga mil jata hai. Yah black colour ka hota hai. Yah charging diode ki tarah lamba nahi hota hai. Yah aaytakar hota hai. PCB per iski pahchan krna aasan hai. Yah pcb per ek hi laga hota hai.

Works:

Yah infrared rays ko capture krne ka karya krta hai. Infrared ke liye yah use me liya jata hai.

Faults:

Photo diode ke faulty ho jane per infrared rays capture nahi hogi.

Practice:

Mobile phone ki PCB per Kisi aaytakar black colour ke parts ki khoj kare. Jo dikhne me diode jaisa lage.

Note: Yah all types ke handset me nahi lagta hai. Agar aapke phone ki pcb per na mile to udas na ho.

Kya Aap Jante Hai ?

Light Emitting Diode (LED) ka use Keypad or Display me light jalne ke liye kiya jata hai. Yah white, green, yellow, or blue colour ka hota hai.

Mobile phone repairing course in Hindi me aap online mobile repair training course sikh rahe hai. Abhi aap small parts on mobile cell phone pcb – identification, works or faults ke lessons sikh rahe hai.

Photo Diode – Mobile Repairing FAQs

Q1. Photo Diode kya hota hai mobile me?
Photo Diode light sensor hota hai jo ambient light aur proximity detect karta hai, display brightness aur auto screen off ke liye signal provide karta hai.

Q2. Photo Diode fail hone ke symptoms kya hote hain?
Auto brightness kaam nahi karna, screen light change nahi hona, proximity sensor fail, ya phone call me screen off nahi hona.

Q3. Photo Diode ko kaise test karein?
Voltage supply aur ground lines check karein, light response measure karein, aur working motherboard setup me sensor output observe karein.

Q4. Photo Diode damage hone ke common reasons kya hote hain?
Water damage, physical shock, dust/germs blockage, ya soldering fault.

Q5. Photo Diode replace karna safe hai?
Haan, proper soldering, flux aur alignment maintain karna zaroori hai. Expert knowledge recommended hai.

Q6. Photo Diode jumper se fix ho sakta hai?
Nahi, Photo Diode direct light sensing aur motherboard interface se connect hota hai. Jumper se fix nahi hota.

Q7. Photo Diode aur Ambient Light Sensor me difference kya hai?
Photo Diode light detect karta hai, Ambient Light Sensor generally integrated hota hai aur display brightness control karta hai.

Network Resistance Identification in Hindi

2026-10-08T22:09:07.421+05:30

Network Resistance: Identificion, Works or Faults in Hindi

Mobile repairing course in Hindi me online sikhna ab or bhi huaa aasan. Mobile repair course ke aaj ke lesson me aap sikhenge ki PCB per Network Resistance ki pahchan kaise kare, iske karya or khrabiya kya hai. Mobile PCB per network capacitor ki tarah network resistance bhi lage hote hai. Resistance mobile phone PCB board per sabse smallest part hai. Network Resistance chip resistance se 2 ya 2 se adhik guna bade hote hai. To chaliye shuru krte hai.

Identification:

Mobile phone motherboard per yah kisi bhi section me laga mil jata hai. Yah gahre black colour ka hota hai or 2 ya 2 se adhik chip resistance se bana hota hai. Iske dona taraf ki side me white dhari bani hoti hai.

Works:

Yah Adhiktar kisi IC ke aas-pas lage hote hai. Yah current voltage ko decrease krne ke karya krte hai.

Faults:

Iske faulty ho jane per isse connected part ko current voltage nahi milega.

Practice:

Mobile phone ki PCB le or Printed Circuit Board per Chip resistance jaise hi 2× bade resistance ko khojiye.

Kya Aap Jante Hai ?

PCB per sabse adhik small parts solder huye hote hai. PCB area ke anusar Network section me small parts adhik lagte hai or power section me big parts adhik lage hote hai. Jabki Network section ke compare me power section bahut bada hota hai. Non Electrolytic Capacitor Sbse adhik Power IC charo taraf lage hote hai.

Mobile Phone repair krne wale person ko mobile repair technician kaha jata hai. Mobile phone ko kaise sudhare ye repair kare ? Mobile repairing kaise sikhe, mobile repairing kaise kare ? Free online mobile cell phone repair course in Hindi me sikhe or mobile sudharane ke work sikkar rojgar paye. Sikhte rahiye or magar continue. Abhi aap sikh rahe mobile phone small parts Ki PCB per identification, works or faults.

Network Resistance – Mobile Repairing FAQs

Q1. Network Resistance kya hota hai mobile me?
Network Resistance mobile me network signal path me present resistance hota hai jo RF signals ki transmission aur reception affect karta hai.

Q2. Network Resistance high hone ke symptoms kya hote hain?
Weak signal, call drop, phone stuck on searching network, aur data speed slow hona.

Q3. Network Resistance ko kaise measure karein?
Multimeter se RF line aur antenna path me resistance check karein, ya working motherboard setup me RF signal performance observe karein.

Q4. Network Resistance badhne ke common reasons kya hote hain?
Corrosion, damaged traces, loose soldering, water damage, ya faulty components in network path.

Q5. Network Resistance fix kaise karein?
Damaged traces repair karein, solder joints resolder karein, corroded components replace karein, aur proper continuity ensure karein.

Q6. Network Resistance jumper se fix ho sakta hai?
Haan, agar trace ya connection damaged hai to jumper laga kar continuity restore ki ja sakti hai, lekin proper RF path maintain karna zaroori hai.

Q7. Network Resistance aur Antenna Switch me difference kya hai?
Network Resistance signal path me resistance hota hai, Antenna Switch frequency bands aur signal routing control karta hai.

SIM IC की Mobile Phone PCB पर Identification कैसे करें

2026-10-08T22:07:44.087+05:30

मोबाइल फोन PCB Circuit Board पर Big Parts और IC

मोबाइल फोन रिपेयरिंग कोर्स हिन्दी में सीखनें के लिए आपका धन्यवाद । Mobile Phone की PCB पर दो प्रकार के मुख्य: Sections होते है Network व Power Section. नेटवर्क सेक्शन के बड़े पार्टस और IC की Identification, Works और Faults आदि के बारें आप पिछली Posts में सीख चुके है । Mobile Repairing एक ऐसा Course है जिसें सीखने के बाद मोबाइल रिपेयरिंग करके एक अच्छी आमदनी (income) कमाई जा सकती है ।

एक अनुभवी और अच्छा Mobile Repair टैक्नीशियन लाखों रुपयें पर महीना कमा लेता है । वही एक नया Technician आसानी से लगभग 20 से 60 हजार रुपए पर महीना कमा लेता है । Mobile Phone के Parts बहुत ही सस्ते में मिल जाते है ।

उदाहरण के लिए जैसे एक मोबाइल फोन की Display Screen की कीमत 80 रुपयें की है वही Mobile Repair Technician उसी डिस्प्ले स्क्रीन को लगाने के लिए Customer से 350 रुपयें लेता है तो उसकी आय होंगी 350 – 80 = 270 रुपयें । इस प्रकार प्रत्येक मोबाइल पार्ट की लागत से तकरीबन 4 से 10 गुना तक ज्यादा वसुला जाता है । जो उसकी मेहनत होती है । Smartphone Repairing मोबाइल रिपेयर करने वाले Technicians धन, समय और कार्य तीनों की बचत कर लेते है । तो आइयें अब हम अपने Topic पर आते है -

Power Section के Big Parts और IC

अधिकतर मोबाइल फोन की मदरबोर्ड पर यह सेक्शन सदैव नेटवर्क सेक्शन के नीचे ही बना होता है । आज की पोस्ट में हम आपको सीखायेंगे कि कैसे आप Mobile Phone Ki PCB Circuit Board Per SIM IC KI Identify Kare.

SIM IC (सिम आईसी)

Identification (पहचान)

इस IC की साइज बहुत ही Small होती है और यह SIM Connector के आस-पास ही लगाई जाती है । यह IC प्राय: गहरे कालें कलर में और चमकदार होती है ।

Works (कार्य)

SIM IC मोबाइल सेलफोन में सिम के कार्यो को Control करती है ।

Faults (खराबियाँ)

इस आईसी के Fault होने पर मोबाइल फोन में सिम लगा होने पर भी Insert Sim, No Service आदि लिखा आता है ।

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MobiTechCareer - Mobile Repairing

नॉन इलेक्ट्रॉलायटिक कैपेसिटर (Non Electrolytic Capacitor): पहचान, कार्य व खराबियाँ

Non Electrolytic Capacitor – Identifiction, Works or Faults in Hindi

Identification: -

1. Gray Colour White Stripe (Dhari) Ke Sath -

2. Halka Brown/Yellow Colour White Dhari Ke Sath –

Works:

Faults:

Practice:

Kya Aap Jante Hai ?

Mobile repairing course in hindi me sikhne ke liye bane rahiye humhare sath or sikhe mobile repair ke all lessons in Hindi.

Non Electrolytic Capacitor – Mobile Repairing FAQs

Boost Coil (बूस्ट कॉइल) Identification in Hindi

Boost Coil – Identifiion, Works or Faults in Hindi

Identification:

Works:

Faults:

Practice:

Kya Aap Jante Hai ?

Boost Coil – Mobile Repairing FAQs

Transistor (ट्रांजिस्टर) Identification in Hindi

Transistor: Identifiction, Works or Faults in Hindi

Identification:

Works:

Faults:

Practice:

Kya Aap Jante Hai ?

Mobile Phone Repairing

Transistor – Mobile Repairing FAQs

Electrolytic Capacitor Identification in Hindi

Electrolytic Capacitor – Identifiction, Works or Faults in Hindi

Identification:

1. Black Colour Ke Sath Ek Side White Dhari

2. Orange Colour Ke Sath Ek Side Brown Dhari

Works:

Faults:

Practice:

Kya Aap Jante Hai ?

Electrolytic Capacitor – Mobile Repairing FAQs

Resistance (रेजिस्टेन्स) Identification in Hindi

Resistance: Identifiion, Works or Faults in Hindi

Identification:

Works:

Faults:

Practice:

Kya Aap Jante Hai ?

Resistance – Mobile Repairing FAQs

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🛒 E-Book कैसे खरीदें?

🚀 SuperProfile by Cosmofeed से E-Book कैसे खरीदें?

💳 Instamojo से E-Book कैसे खरीदें?

📌 महत्वपूर्ण जानकारी

A to Z Smartphone Repairing Course 2026 (हिन्दी E-Book)

📱 Complete Smartphone Mobile Repairing Course 2026 (हिन्दी E-Book)

📚 इस ई-बुक में क्या-क्या सीखने को मिलेगा?

मोबाइल रिपेयरिंग की बेसिक जानकारी

Electronic Components Mastery

Multimeter Master Class

Soldering & Microsoldering

Power Section Repairing

Charging Section Repairing

Battery & Power Management

Display Section Repairing

Touch Screen Repairing

Audio Section Repairing

Network Section Repairing

Wi-Fi, Bluetooth & GPS

Camera Section Repairing

Water Damage Repairing

Android Software Repairing

Android Advanced Software Solutions

iPhone Hardware Repairing

iPhone Software Repairing

Circuit Diagram & Schematics

Professional Fault Finding

Mobile Repairing Business Guide

🎯 इस ई-बुक को पढ़ने के बाद आप क्या कर पाएंगे?

🚀 आपको यह ई-बुक क्यों खरीदनी चाहिए?

Coil (कॉइल) Identification in Hindi

Coil – Identification, Works or Faults