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LG KM330 Service Manual page 71

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1.9.3 Checking Flow
Start
Make a Call
Check Voltage Level of
TP1 MICBIASP =
1.8V ?
Check Component
status around Mic
Check status of
MIC
Replace U601 (MT6318A) or
Change PCB
YES
NO
YES
NG
OK
NG
OK
Replace U601 (MT6318A)
Re-solder or Replace
Component
Re-solder or replace
Microphone
-71-

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