Tecno Camon 20 Mic Speaker Buzzer Ear Speaker Problem Solution | Audio Hardware Jumper Ways Fix

In this video, you will learn a complete step by step hardware repair guide for Tecno Camon 20 mic, ringer speaker, buzzer, and ear speaker problem solution. This video covers mic not working, voice not recording, no sound during calls, low sound, ringer speaker not ringing, ear speaker dead, and audio IC related issues. Full audio section testing points, mic voltage checking, speaker line continuity, diode mode readings, sub board inspection, and hardware jumper ways fix are explained clearly. This guide is very helpful for mobile technicians and beginners searching for accurate Tecno Camon 20 audio hardware repair solution.

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🛠️ 30 STEP BY STEP HARDWARE REPAIR GUIDE

Power off Tecno Camon 20

Remove SIM tray

Open back cover carefully

Disconnect battery connector

Remove motherboard shield

Inspect sub board area

Clean mic hole and mesh

Check mic component condition

Test mic voltage

Inspect speaker connector pins

Test ringer speaker continuity

Test ear speaker continuity

Check audio lines in diode mode

Inspect audio filters

Check short to ground

Reflow mic and speaker contacts

Replace faulty mic if needed

Apply jumper on mic signal line

Repair broken speaker line

Replace damaged speaker module

Connect battery temporarily

Power on device

Test call audio

Test voice recording

Test ringer sound

Test ear speaker output

Clean repaired area

Reinstall motherboard shield

Secure battery connector

Final audio test

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