LG -P895 Service Manual page 56

C1035 4.7n
C1088 100p 8
GSM_LB_TX
LB_TX
Rev.C
ADD
2012.04.20 L1003
6
HB_TX
0.75p
Rev.C
L1038 2.2n
GSM_HB_TX
Rev.C
L1007 C1039
0.5p DNI
TP2
Rev.C
VBAT
FB1001
C1043
27p
L1012
GSM_HB_TX
DNI
GSM_LB_TX
L1015
DNI
L1019
DNI
L1024
DNI
LGE Internal Use Only
SW1000
2
COMMON
G4 G3
4 3
C1086
L1000
DNI
100n
ADD
TP1
2012.04.03
C1031
Rev.C
GSM1800_RX
C1033
B1
3
TRX_1
2
TRX_2
1
FL1001
TRX_3
20
TRX_4
C1036
19
TRX_5
18
Rev.C
TRX_6
B2/GSM1900
C1045
Rev.C
B5/GSM850
120
C1044
10n
C1050
Rev.C
B8/EGSM
VBAT
C1040 C1041 C1042
220n 100n 0.1u
10
SPI_DRW
6 11
GSM_HB_TX SPI_CLK
3 9
GSM_LB_TX SPI_SS
U1002
5 16
B1_TX VCC
4 8
B2_TX HB_RFIN
7 15
B4_TX LB_RFIN
2 13
B5_TX NC
1 21
B8_TX GND
Schematic of GSM850/EGSM/DCS/PCS Tx Block
SW1001
C1084 2.2n G1
ANT ANT G2
1
Rev.C
L1032 L1033
DNI DNI
1.8n
C1032 33p
L1001
DNI
2.2n
C1034 33p
L1002
DNI
2.2n
C1037 33p
L1005
DNI
C1046 2.2n
33p
Rev.C
L1011
DNI
220p C1051 10p
Rev.C
L1014
15n
C1048 4.7n
SPI_DRW
Rev.C
SPI_CLK
C1049
VBAT_PAM
0.5p
SPI_SS
Rev.C
C1053 1.8n
C1054
DNI
- 56 - Copyright © 2012 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
Rx_GSM1800_1
Rx_GSM1800_2
48
ANT_GSM1800
12
ANT_Band1 Rx_Band1_1
50
ANT_Band2 Rx_Band1_2
46
ANT_Band5
44
ANT_Band8 Rx_Band2_1
Rx_Band2_2
U1001
Rx_Band5_1
2
GND1 Rx_Band5_2
4
GND2
5
GND3 Rx_Band8_1
6
GND4 Rx_Band8_2
8
GND5
10
GND6 GND19
GND20
GND21
C1047 220p
Rev.C
L1012
DNI
C1052 1n
L1015
DNI
C1059 2.2n
Rev.C
L1019
DNI
C1063 1.5n
L1024
DNI
TX_H
L1013
DNI
TP3
TX_L
L1016
DNI
Only for training and service purposes
18
RX_GSM1800_M1X
19
RX_GSM1800_M1
14
RX_B1_H2X
15
RX_B1_H2
16
RX_B2_M2X
17
RX_B2_M2
20
RX_B5_L2X
21
RX_B5_L2
22
RX_B8_L1X
23
RX_B8_L1
34
35
36
GSM_HB_TX
GSM_LB_TX