24 Sep
Blog

Advanced Repair and Tools in Mobile Repairing

Advanced Repair and Tools in Mobile Repairing

🔍 Why Advanced Repair Matters?

As smartphones get slimmer and more complex, normal soldering iron and basic tools are not enough.

Advanced repairs require precision tools, skills, and modern techniques to fix motherboard-level problems.

—

🛠 Essential Advanced Tools

1. Hot Air Rework Station

For removing & installing ICs, connectors, and BGA chips.

2. Soldering Station (Temperature Controlled)

For accurate micro-soldering of small components.

3. Microscope (Digital/Optical)

To view tiny SMD components and motherboard tracks.

4. DC Power Supply

For checking short circuits, dead mobile current consumption.

5. Multimeter (Digital/Analog)

For testing voltage, resistance, and continuity on PCB.

6. BGA Reballing Kit

Stencils, solder balls, and flux for CPU/eMMC reballing.

7. UV Light & OCA Machine

For glass replacement and display refurbishing.

8. Thermal Camera / IR Thermometer

Detects overheating components on board.

9. Software & Box Tools

(Z3X, UFI, Chimera, Miracle Box, etc.) for flashing, unlocking, and IMEI repair.

—

🔧 Advanced Repair Techniques

1. CPU & eMMC Reballing – Fixing boot loop and dead issues.

2. IC Replacement (Power/Charging/Audio IC) – Restoring hardware functions.

3. Jumper Solution & Track Repair – Reconnecting broken PCB lines.

4. Short Circuit Detection – Finding faulty components using DC power supply.

5. Software + Hardware Integration – Solving issues that involve both sides (e.g., network problems, dead boot).

—

⚡ Pro Tips for Advanced Repair

Always practice on scrap motherboards before handling customer devices.

Maintain controlled temperature while using hot air.

Use original spare parts for reliable results.

Keep your tools calibrated for accuracy.

Work under microscope for precision soldering.

—

✅ Why Invest in Advanced Tools?

Speeds up repair process.

Increases success rate of complex repairs.

Builds customer trust with professional service.

Opens doors for high-income repairs (CPU, eMMC, power IC).

26 Aug
Blog

Short Circuit Testing with Multimeter – Step by Step Guide

Short Circuit Testing with Multimeter – Step by Step Guide

Mobile repairing me sabse common issue hota hai short circuit 🔌. Ye ek aisa masla hai jahan current ka flow galat path choose kar leta hai aur phone ke andar overheating, auto restart ya bilkul dead hone ka risk create hota hai. Technician ke liye short circuit ko diagnose aur repair karna ek basic aur advanced dono skill hai.

Chaliye step by step samajhtay hain ke multimeter ki madad se short circuit kaise test kiya jata hai 👇

—

Short Circuit Kya Hota Hai? ⚡

Jab do opposite polarity wale points (positive aur negative) directly connect ho jate hain to short circuit hota hai. Mobile PCB me ye zyada tar capacitors, ICs ya charging line me hota hai.

Symptoms of Short Circuit in Mobiles:

Phone power on nahi hota

Charging karte waqt zara garam hona 🔥

Charger plug karte hi switch off hona

Battery fast drain

—

Multimeter Se Short Circuit Ka Test Karna 🛠️

Step 1: Multimeter Set Karna

Multimeter ko continuity mode (buzzer mode) par set karein. Ye mode batata hai ke koi line connected hai ya short hai.

Step 2: Battery Connector Test

Multimeter ke red probe ko positive terminal par aur black probe ko negative terminal par touch karein.

Agar buzzer sound aata hai ya 0 ohm reading dikhata hai → iska matlab short circuit hai.

Step 3: Short Area Locate Karna

PCB ko visually inspect karein 🔍 – burnt components ya overheating signs ko dhundhein.

Multimeter se capacitors, resistors aur coils check karein.

Jo component dono sides se beep de raha hai, wahi shorted ho sakta hai.

Step 4: Heat Method Use Karna

Agar short locate na ho to DC power supply use karein.

Battery connector par power connect karein.

PCB par finger rakh kar feel karein – jo component heat up hoga wahi culprit hai 🔥.

Step 5: Short Component Replace Karna

Shorted capacitor ko remove karein.

Agar IC short ho to usse reballing ya replacement ki zarurat ho sakti hai.

—

Advanced Tips for Technicians 🎯

1. Flux aur hot air station ka sahi use karein → overheated PCB ko bachane ke liye.

2. Hamesha low voltage DC supply use karein (3.7V to 4.2V).

3. Short locate karne ke liye freeze spray use karein – jo component jaldi garam hoga wahan frost melt hoga.

4. PCB par jumpers lagate waqt short na ho iski double checking karein.

—

Real Life Example 🔧

Ek technician ke paas ek Samsung phone aya jo bilkul dead tha. Multimeter par battery connector check karne par buzzer sound aaya. Usne DC supply connect ki aur dekha ke charging IC garam ho raha hai. Usne IC ko replace kiya → phone perfectly on ho gaya 🚀.

—

Conclusion ✨

Short circuit testing har mobile technician ke liye ek core repairing skill hai. Multimeter aur DC power supply dono ke sahi use se aap time save karte hain, accurate fault find karte hain aur customer satisfaction hasil karte hain.

—

📌 Meta Description (SEO)

“Learn how to test and fix mobile short circuits using a multimeter. Step by step guide for technicians to locate faulty components and repair efficiently.”

—

mobile short circuit testing, multimeter use in mobile repair, how to fix short circuit in phone, continuity test in mobile motherboard, DC power supply short circuit check, mobile repair diagnosis guide, mobile motherboard troubleshooting, mobile repairing short detection, phone short circuit repair tips, multimeter buzzer mode guide, mobile hardware repairing in urdu, PCB short circuit test, mobile repairing tools and tips, mobile fault finding with multimeter, short circuit repair training

mobile short circuit testing

multimeter use in mobile repair

how to fix short circuit in phone

continuity test in mobile motherboard

DC power supply short circuit check

mobile repair diagnosis guide

mobile motherboard troubleshooting

16 Jul
Blog

Proper Use of Tools and Safety Tips in Repairing – Every Technician Must Know!

✅ Meta Description

Tools ka proper use aur safety tips in repairing – Learn how to safely use mobile repairing tools like multimeter, soldering iron, hot air gun, and avoid common mistakes. Full safety guide only on aaplusmobiles.com.

🔧 Repairing Mein Tools Ki Importance – Pehle Samajhna Zaroori Hai

Mobile repairing koi magic nahi – ye aik proper skill hai jisme tools ka sahi use aapko pro technician banata hai. Lekin agar aap ye tools galat tareeqe se use karen, to sirf phone hi nahi, kabhi kabhi board bhi damage ho sakta hai… ya khud ko bhi injury ho sakti hai! 😬

Is liye har repairing student ko ye samajhna bohat zaroori hai ke tools ka sahi use kya hai aur unse safe repairing kaise ki jati hai.

🔩 Common Tools Aur Unka Proper Use

1️⃣ Multimeter – Testing Ka King!

Multimeter se aap voltage, continuity, aur resistance measure karte hain.
Use Tip: Always set the correct mode (DC/AC/Continuity) before testing.
Mistake to Avoid: Incorrect setting se board short ho sakta hai.

2️⃣ Soldering Iron – Connection Expert

Isse aap components ko PCB par solder karte hain.
Use Tip: Use a clean tip and keep the temperature moderate (280°C–350°C).
Mistake to Avoid: Overheating can burn the board or damage components.

3️⃣ Hot Air Gun – IC Removal Tool

IC ko remove/replace karne ke liye perfect tool.
Use Tip: Use with nozzle and proper airflow setting.
Mistake to Avoid: Direct high heat can lift nearby components.

4️⃣ Tweezers & Magnifying Lamp

Micro-level components handle karne mein madad karte hain.
Use Tip: Non-magnetic and anti-static tweezers use karein.
Mistake to Avoid: Pressure zyada dena se components toot sakte hain.

5️⃣ Jumper Wire & PCB Cleaner

Track repair aur board cleaning ke liye must tools.
Use Tip: Jumper ko neatly lagayein aur cleaner se gently safai karein.
Mistake to Avoid: Zyada liquid ya force use na karein.

⚠️ Safety Tips – Technician Ki Zindagi Ki Hifazat!

💡 Anti-Static Wrist Band Use Karein – Board ko static shock se bachata hai
🧯 Fire Safety – Workshop mein fire extinguisher zaroor ho
🧤 Gloves Aur Mask Pehnein – Dust ya chemical exposure se bachne ke liye
🚫 Don’t Repair When Tired – Ghaltiyaan zyada hoti hain jab aap thakay hue hon
🔌 Power Off Always – Phone ko repair se pehle disconnect karein

📉 Galtiyan Jo Aksar Beginners Karte Hain

❌ Tools saste aur local use karna
❌ Without multimeter diagnose karna
❌ Direct power connect karna bina testing ke
❌ ESD safety ignore karna
❌ Tutorial videos dekh kar bina practice ke kaam start karna

🧠 Summary – Smart Bano, Safe Repair Karo!

Agar aap mobile repairing ko professional level par le jana chahte hain, to tools ka sahi use aur safety rules follow karna sabse pehla step hai. Sirf repairing kar lena kaafi nahi – smart aur safe technician banna important hai.

Tools ka ghalat use na sirf mobile ko nuksan deta hai, balkay aapki reputation bhi kharaab kar sakta hai. Is liye har naye technician ko chahiye ke pehle safety seekhe, phir speed badhaye!

🎁 Bonus Tip – Tools Ki Maintenance Bhi Zaroori Hai!

Har 10 din baad apne tools ko:

🔹 Clean karein (especially soldering iron & multimeter probes)
🔹 Properly pack karein after use
🔹 Heat gun filters ko saaf karein
🔹 Broken wires ya tips ko turant replace karein
🔹 Soldering stand aur sponge use karein for tip cleaning

Tip: Tools ki safai aur protection se unki life double ho jati hai – aur aapka kaam bhi fast aur reliable hota hai.

Bonus Tip: Apne Tools Ki Lifespan Ko Kaise Barhayein? 🛠️🔋

Agar aap chahte hain ke aapke repairing tools lambe arse tak kaam karein, to unki proper maintenance aur sahi jagah par storage bohot zaroori hai. Har tool ka apna ek specific use hota hai — unka overuse ya galat tarike se istemal na sirf unko damage karta hai, balkay aapke mobile repairing results ko bhi affect karta hai. Tools ko hamesha clean rakhain, moisture se door rakhein aur use ke baad proper case ya box mein wapas rakhain. Ek achhe technician ke paas sirf tools nahi, unka ilm aur zimmedari ka jazba bhi hota hai!