LG LG-D855 - Fm

3. TROUBLE SHOOTING
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Only for training and service purposes
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3.8.2 FM
START
Change MAIN Board.
Check the components around
Ear-jack(FM ant)
Check the components around Antenna
Check the TP1 Signal exist?
Check WCN3680 physical damage or
soldering condition
No
No
Yes
Yes
<Main Top>
WCN3680B
TP1