LG -P940 Service Manual page 91

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C136
1.8n
8
GSM_LB_TX
LB_TX
FL101
6
L104
L105
HB_TX
DNI
DNI
C139
2.7n
GSM_HB_TX
L107
L109
L108
VBAT
3n
DNI
0.75p
C143
27p
LGE Internal Use Only
C120
1.8n
2
COMMON
L101
150n
GSM1800_RX
C132
33p
B1
C134
33p
L103
DNI
3
TRX_1
B2/GSM1900
2
TRX_2
1
TRX_3
20
TRX_4
C137
19
TRX_5
18
TRX_6
B4
1p
L110
C144
C145
220p
10n
B5/GSM850
C150
220p
B8/EGSM
Schematic of GSM850/EGSM/DCS/PCS Rx Block
SW101
SW102
L128 1n
ANT
ANT
1
G4
G3
4
3
L129
DNI
TP2
2.7n
C133
L102
DNI
56
ANT-DCS
60
C135
1.5n
ANT-Band1
58
ANT-Band2
14
ANT_Band4
54
ANT-Band5
52
ANT-Band8
2
GND1
4
2.2n
7p
C138
GND2
5
GND3
6
GND4
8
L106
GND5
10
DNI
GND6
3.3n
C140
L111
DNI
6.8n
C146
L112
DNI
C151
3.9n
L115
DNI
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Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
G1
G2
Rx-DCS_1
Rx-DCS_2
Rx-Band1_1
Rx-Band1_2
Rx-Band2_1
Rx-Band2_2
U102
Rx-Band4_1
Rx-Band4_2
Rx-Band5_1
Rx-Band5_2
Rx-Band8_1
Rx-Band8_2
GND19
GND20
GND21
GND22
Only for training and service purposes
22
RX_GSM1800_M1X
23
RX_GSM1800_M1
18
RX_B1_H2X
19
RX_B1_H2
20
RX_B2_M2X
21
RX_B2_M2
16
RX_B4_H1X
17
RX_B4_H1
24
RX_B5_L2X
25
RX_B5_L2
26
RX_B8_L1X
27
RX_B8_L1
37
38
39
40

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