Nokia C5 Headset MIC and Earpiece No Audio Problem Solution

Here's the solution for Nokia C5 headset problems, or no audio or voice sound can be heard over the headset. This solution may work and help fix the phone if the headset icon or symbol shows on the LCD screen display but still  can't hear anything on it.

The solution below shows the details of of which components needs to check or replace to solved and put back the headset works again.

Nokia C5 Headset No Audio Problem Solution

The headset comes with microphone and earpiece speakers, so just work on a part or both which has a problem occured.
Repair hints for Nokia C5 headset MIC and Earpiece Audio  problem:
1. Ensure that the headset is working fine or try to use another working one.
2. Visually check the headset AV jack connector, clean if oxidized, replace if damaged.
3. Clean the headset AV jack connector terminal contact pads on the PCB board.
4. Clean all the components on the PCB board that holds for the headset. if oxidized.

Working with Headset Microphone Problem:
1. Check/replace the 120R coil.
2. Check/replace the
3. Replace the MIC filter IC.
4. Check/replace the 33n capacitors.

Working with Headset Earpiece Speaker Problem:
1.Check/replace the filter coil
2. Check/replace the Headset Earpiece speaker filter IC.
3. Check the 3.8 VBAT supply voltage of the amplifier IC.
4. Replace the 1u5 input capacitors.
5. Replace the Amplifier IC.

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