FM via is connected to
Upper FPCB 3.5phi Ear-Jack
LGE Internal Use Only
WIFI RF TX
WIFI RF RX
BT RF TX RX
BT/WIFI TX RX
FMR RF TX
WiFi / BT / FMR Signal PATH
WiFi / BT Tx and Rx PATH
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4. TROUBLE SHOOTING
Only for training and service purposes