Here's a solution for Nokia E73 with a not working MIC or microphone problem. This solution might possibly help fix and repair for a non working microphone on Nokia E73 phone.
The solution below shows the connection line paths of Nokia E73 microphone circuit, which may useful for easy tracing and check up troubleshooting procedures. You may need to check the certain components that holds for microphone circuit and also trace its corresponding connection line paths for possible damaged.
In Nokia E73 there are two 5-pin digital microphone module is being used, but you may find 4 digital microphone being mounted on the PCB board. The other two were used for reference and error audio data.
The solution above shows the primary and secondary digital microphone which holds as a voice transceiver on the device. You may first check the corresponding connection line paths showed on the solution above before attempting to replace the whole digital microphone assembly. Just be careful by removing the digital microphone module and ensure that the PCB solder terminal pads will not be damaged or lifted.
The solution below shows the connection line paths of Nokia E73 microphone circuit, which may useful for easy tracing and check up troubleshooting procedures. You may need to check the certain components that holds for microphone circuit and also trace its corresponding connection line paths for possible damaged.
Nokia E73 Mic, mouthpiece microphone problem solution
The solution above shows the primary and secondary digital microphone which holds as a voice transceiver on the device. You may first check the corresponding connection line paths showed on the solution above before attempting to replace the whole digital microphone assembly. Just be careful by removing the digital microphone module and ensure that the PCB solder terminal pads will not be damaged or lifted.
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