LG TracFone LG840G Service Manual page 54

C105 33p
L107
100n
L108
15n
C107 C108
1u 33p
R101 1K
R102 1K
R103 1K
WCDMA_850
L136 2.7n
WCDMA_850
C131
DNI
LGE Internal Use Only
WCDMA_1900
WCDMA_850
FL101
12
ANT
13 5
GND4 GSM850RX1
14 4
VDD GSM900RX2
15 3
VC3 GSM900RX1
16 2
VC2 GSM1800/1900RX2
17 1
VC1 GSM1800/1900RX1
LMSP33QJ-C65TEMP
EAT61533501
FL102
6
ANT
L137
12n
2
GND1
4
GND2
5
GND3
B8553
1
RX1
8
RX2
3
TX
9
GND5
7
GND4
- 54 - Copyright © 2012 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
L128 1.5n
C102 L144
TP2 GSM900
DNI 6.8n
L129 1.5n
L159 2.2n
TP1 : DCS/PCS
C106 L130
10n
DNI
L160 2.2n
C168
W850/GSM850_RX_P
33p
C137
L117
0.5p
10n
C169
W850/GSM850_RX_M
33p TP3 : GSM850
Only for training and service purposes
GSM900_RX_M
GSM900_RX_P
DCS/PCS_RX_M
DCS/PCS_RX_P