Скачать или смотреть Nokia C1 TA-1165 Mic, Speaker & Buzzer Problem Solution | Audio Hardware Repair Guide Step by Step

This video shows the full hardware solution for Nokia C1 TA-1165 mic, speaker, and buzzer problems. Learn how to fix no sound, low volume, microphone not working, or buzzer failure. Includes step-by-step guide to check audio IC, speaker pads, mic connections, buzzer pins, filters, and lines, plus jumper solutions and replacement parts. Perfect for mobile technicians and beginners.

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✅ 30 STEP-BY-STEP REPAIR GUIDE

Power off Nokia C1 TA-1165.

Remove back cover and battery.

Remove SIM and memory card.

Open housing carefully.

Remove screws and separate motherboard.

Locate microphone, speaker, and buzzer on PCB.

Inspect mic pad for dust or corrosion.

Clean mic pad with IPA.

Test mic with multimeter for continuity.

Check speaker pads and connections.

Clean speaker pads and solder joints.

Test buzzer pins for continuity.

Check audio IC for voltage supply.

Test audio lines from IC to mic, speaker, and buzzer.

Repair broken tracks using jumper wire.

Replace burnt/open resistors or capacitors in audio lines.

Reflow audio IC if necessary.

Replace faulty microphone component.

Replace damaged speaker if needed.

Replace buzzer component if required.

Reassemble mic, speaker, and buzzer in PCB.

Connect battery and power on.

Test microphone recording.

Test speaker sound playback.

Test buzzer ringing function.

Ensure all audio outputs are working.

Check for loose solder joints.

Reassemble housing and screws.

Test phone audio functions again.

Final full audio check completed.

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