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Problem Areas
1.8.2 Secondary Microphone
Check:
Inspect the Microphone's external port on the Front Housing
LCM TP Assembly
Action:
If clogged – clean the port.
Check:
Inspect the microphone hole on Middle Frame Assembly
and Battery cover.
Action:
1. If dirty – clean them.
Check:
Inspect the hole of Rubber 2
Action:
1. If dirty or direction wrong – clean and reassemble it.
2. If the rubber is damaged – replace it.
Check:
nd
Inspect the 2
MIC on Main PBA.
Action:
1. If defective or damaged, replace Main PBA.
1273-2281 Rev2
©
Sony Mobile Communications AB – Company Internal
nd
MIC and its direction.
Troubleshooting Guide (mech)
20(48)
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