If trying to troubleshoot or fix Nokia C2-03 or C2-06 and C2-08 touch and type, dual SIM card slider phone with audio problem such as no alert tones, ringtones or music sounds can be heard from the device when playing mp3 songs or videos. This solution might be useful for easy troubleshooting procedure. Just observe the components that are connected within the speaker circuit on Nokia C2-03 or C2-06 and C2-08 PCB board.
Here's a hints on how to fix no speaker audio problem on Nokia C2-03 or C2-06 and C2-08 dual sim card phone.
1) Check the speaker using a multimeter. Replace if already damaged. A distorted audio sounds is cause by a weak speaker... or it is already burned out. (internal coil is damaged)
2) If the speaker is good and seems no problem, ensure that the terminals were not misaligned. Then clen the speaker terminal contact pads for possible oxidation build ups (this might weaken the connection).
3) Check each of speaker+ and speaker- corresponding connection line paths accross to each components where it is being connected.
4) Check all the filter coils and capacitors connected to it. Replace if found damaged or already corroded.
View the larger image.
Here's a hints on how to fix no speaker audio problem on Nokia C2-03 or C2-06 and C2-08 dual sim card phone.
1) Check the speaker using a multimeter. Replace if already damaged. A distorted audio sounds is cause by a weak speaker... or it is already burned out. (internal coil is damaged)
2) If the speaker is good and seems no problem, ensure that the terminals were not misaligned. Then clen the speaker terminal contact pads for possible oxidation build ups (this might weaken the connection).
3) Check each of speaker+ and speaker- corresponding connection line paths accross to each components where it is being connected.
4) Check all the filter coils and capacitors connected to it. Replace if found damaged or already corroded.
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| The Nokia C2-03, C2-06, C2-08 PCB Speaker Components & Connection Line Paths |
View the larger image.
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