Checking Flow
Start
INT-FM or EXT-FM
Check a condition of Ear Jack connector soldering (J503) for Ext-FM-ANT,
A condition is Good ?
Check B504
R523
:
2 .8V
Change U501
End
:
3 .8V
,
YES
INT FM
NO
Replace the J503
NO
Replace the B504 or R523
NO
Replace the C502,C504
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