LG -E960 Service Manual page 66

TX_ANT_LU2100
TX_ANT_U900
TX_GSM_HB
TX_GSM_LB
TP3
1
UMTS_HB_RF_IN
2
GSM_HB_RF_IN
3
HB_EN
4
VMODE0
5
VMODE1
6
MODE
7
GND1
8
VBATT
9
LB_EN
10
GSM_LB_RF_IN
11
UMTS_LB_RF_IN
1n 22u
LGE Internal Use Only
L11059 2.7n
L11060
L11061
0.5p
DNI
L11063 3.3n
L11065
DNI
DNI
L11064
L11067 3.9n
DNI
L11069
0.5p
L11070
L11073 4.7n
DNI
C11107
1p
L11074
+VPWR
PA_ON1_GSMHB
PA0_R0
PA0_R1
MMMB_MODE
PA_ON0_GSMLB
TP2
100p
100p 100p 100p 100p
GSM(QUAD)_U1/8(EU) MMMB
VBAT
TP4
+VSMPS
4.7u 22u
1n
33p
C11084
DNI
L11058
C11088 33p
2.7n
L11066
33p
C11093
DNI
TP1
L11068
Part Name=SAFEB897MAM0F00
C11105 33p
L11071
15n
Vendor=MURATA
- 66 -
4. TROUBLE SHOOTING
PA_DET_MMMB
25
GND_SLUG
23
GND2
22
UMTS_HB_RF_OUT
21
GND4
20
UMTS_LB_RF_OUT
19
GND6
18
U11008
VCC_UMTS
17
VCC_GSM
16
GND5
15
GSM_HB_RF_OUT
14
GND3
13
GSM_LB_RF_OUT
1n
TX_OUT_LU2100
L11057
DNI
TX_OUT_GSM_HB
TX_OUT_GSM_LB
FL11011
4 1
OUT IN
C11106 2.2n
G3 G2 G1
L11072
5 3 2
897.5 MHz
DNI
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
1
UMTS_HB_RF_IN
2
GSM_HB_RF_IN
3
HB_EN
4
VMODE0
5
VMODE1
6
MODE
7
GND1
8
VBATT
9
LB_EN
10
GSM_LB_RF_IN
11
UMTS_LB_RF_IN
1n
TX_OUT_U900