LG -D175F Service Manual page 64

TP3
C1101 2.2n C1102 100p
DNI
TP1
WTR_TX1_OUT
LGE Internal Use Only
TP5
TP4
TP6
+VPWR
TX_MODULE_TRX_1
TP2
TX_MODULE_TRX_4
Rev.1.0
SPDT_SEL
C1137 100p
R1104 0
ANT0_SW_SEL_0
ANT0_SW_SEL_1
TP2
U1100
TX module
<Main Bot>
GND15
22
GND16
23
TRX1
24
GND17
25
TRX2
26 SKY77573-31
GND18
27
TRX3
28
GND19
29
TRX4
30
GND20
31
VBATT
32
NC1
33
TP3
TP4
TP5
- 64 - Copyright © 2014 LG Electronics. Inc. All right reserved.
3. TROUBLE SHOOTING
TP1
RX_G1800
RX_G1900
C1104
GND10
12
GND9
11
GND8
10
GND7
9
GND6
8
GND5
7
U1100
GND4
6
VCC2
5
VCC1
4
GND3
3
GND2
2
GND1
1
TP6
Only for training and service purposes
C1103
2.2n
2.7n
PA0_R_1
PA0_R_0
ANT0_SW_SEL_3
ANT0_SW_SEL_2