Another solution below is for Nokia 6760 slider phone when damaged and result speaker audio problem. This may help if there is no sounds can be heard on the phone like ringtones, playing multimedia and MP3 music.
The solution below will give as a brief information on which component or spare parts needs to be check or replace on the PCB board during troubleshooting proceedings.
Here's some hints on how to fix Nokia 6760 slide IHF speaker problem.
1. Check the speaker using a multimeter or try replacing it.
2. Clean the speaker terminal pads on the PCB board.
3. Check all the filter coils connected to it.
4. Trace the speaker + and speaker - line paths down to the filter coils.
5. Check the battery voltage (VBAT) across the inductor coil, check also the inductor coil.
6. Check/replace the Audio IN capacitors and resistors near the AUDIO Amp IC.
7. Rework/replace the AUDIO Amp IC.
If all of the above procedures doesn't fix the problem, the possible faulty is the power IC (AVILMA) a re-hot, reworking it might only fix the problem. Replace if necessary.
Enjoy.....
The solution below will give as a brief information on which component or spare parts needs to be check or replace on the PCB board during troubleshooting proceedings.
Here's some hints on how to fix Nokia 6760 slide IHF speaker problem.
1. Check the speaker using a multimeter or try replacing it.
2. Clean the speaker terminal pads on the PCB board.
3. Check all the filter coils connected to it.
4. Trace the speaker + and speaker - line paths down to the filter coils.
5. Check the battery voltage (VBAT) across the inductor coil, check also the inductor coil.
6. Check/replace the Audio IN capacitors and resistors near the AUDIO Amp IC.
7. Rework/replace the AUDIO Amp IC.
If all of the above procedures doesn't fix the problem, the possible faulty is the power IC (AVILMA) a re-hot, reworking it might only fix the problem. Replace if necessary.
Nokia 6760s slide Buzzer, Ringer, Loud Speaker Jumper Ways Solution
Created by: GsmAngel
Enjoy.....
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