LG -D175F Service Manual page 74

+VPWR
TP3(+VPWR)
C1611 100p C1612 6.8p
DC block needed only if using MuRata B2 duplexer
C1624 2.7n
TP2(RF OUT)
LGE Internal Use Only
U1600
13 2
GND5 RFIN
12 3
SKY77742-21
VCC VENHB
11 4
GND4 VENLB
10 5
RFOUTLB VMODE
WTR_PDET_IN
- 74 -
3. TROUBLE SHOOTING
TP1(RF IN)
+VPWR
C1613
PA0_ON_0
PA0_ON_2
PA0_R_0
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Only for training and service purposes
100p
WTR_TX3_OUT