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Level 3 Repair
8-17
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8-3-5. Microphone Part
Check component soldering
statuses of C600, C602,
L613,L614
Resolder or replace C600, C602, L613, L614
END
Check the voltage at C637 =
2.8V
Resolder or replace C637
No
Yes
Yes
Yes
Yes
No
Check the connection of
HEA600
Check main microphone function
in voice call receiver mode
Touch-key Module breakdown?
Reconnect HEA600
No
Change Touck-key Module
No