LG KU250 Service Manual - Page 74
Signal Path_umts Rf
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4.2 SIGNAL PATH_UMTS RF 4. TROUBLE SHOOTING Common Tx/Rx UMTX 2100 Tx/Rx UMTX 2100 Tx UMTX 2100 Rx Tx I/Q LO RX I/Q - 75 -
4. TROUBLE SHOOTING
- 75 -
4.2 SIGNAL PATH_UMTS RF
Common Tx/Rx
UMTX 2100 Tx/Rx
UMTX 2100 Tx
UMTX 2100 Rx
Tx I/Q
LO
RX I/Q