LG TracFone LG840G Service Manual page 62

C158
L102
100p
15n
C103
4.7p
L104
DNI
C157
100p
SW102
VREG_MSMP_2.6V
ANT_SEL[2]
ANT_SEL[1]
ANT_SEL[0]
WCDMA
WCDMA_850
WCDMA_850
C131
DNI
TP2
WCDMA 1900
WCDMA_1900
C155
DNI
LGE Internal Use Only
GND
C105 33p
L107
TP1
100n
L108
15n
C107 C108
1u 33p
R101 1K
R102 1K
R103 1K
FL102
L136 2.7n
6
ANT
L137
12n
2
GND1
4
GND2
5
GND3
FL105
C150
6
ANT
100p
2
L142
GND1
4
DNI
GND2
5
GND3
WCDMA_1900
WCDMA_850
12
ANT
13
GND4 GSM850RX1
14
VDD GSM900RX2
15
VC3 GSM900RX1
16
VC2 GSM1800/1900RX2
17
VC1 GSM1800/1900RX1
LMSP33QJ-C65TEMP
EAT61533501
B8553
1
RX1
8
RX2
3
TX
9
GND5
7
GND4
L152
C174
LS36A
2p
1
RX1
L151
8
RX2
3
TX
7
GND4
9
GND6
- 62 - Copyright © 2012 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
FL101
5
4
3
2
1
C168
33p
C137
L117
0.5p
10n
C169
33p
TP3
1.2n
L114
12n
1.2n
C164 8.2p
L156 C165
15n 1.2p
Only for training and service purposes
W850/GSM850_RX_P
W850/GSM850_RX_M
W1900_RX_P
W1900_RX_M