- 90 -
4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
W2100
W850
SMPY0015801
SMPY0017801
SCDY0003901
SCDY0003801
W1900
(1608)
(1608)
10dB
R135
82
+VPWR_WPAM
330p
C119
R133
82
C86
100p
C85
1000p
GND2
9
PGND
11
2
RF_IN
8
RF_OUT
1
VCC1
VCC2
10
VMODE0
4
3
VMODE1
U108
SKY77170
6
CPL
ENABLE
5
7
GND1
L127
33p
C82
C87
10u
L138
NA
C129
1000p
NA
L119
4
VBATT
12
VCC
VCCA
11
1
VEN_CELL
7
VEN_PCS
3
VMODE
GND2
9
10
GND3
GND4
14
5
NC
15
PGND
RFIN_CELL
2
RFIN_PCS
6
13
RFOUT_CELL
8
RFOUT_PCS
AWT6321R
U106
L122
2.7nH
6.8p
C128
33p
C100
1nH
L125
C118
0.01u
C131
1000p
100p
C107
C106
0.5p
R134
82
L132
COU
32
IN
OUT
1
TER
4
NA
U107
LDC151G8820Q-359
C120
330p
33p
C97
C99
33p
TER
4
U105
LDC15836M20Q-360
COU
3
2
IN
1
OUT
33p
C84
NA
L124
C95
100p
22p
C108
L139
2.7nH
0.5p
C133
33p
C122
C117
10u
WCDMA_2100_ON
WCDMA_PA_R0
PDET_IN
WCDMA_850_ON
WCDMA_PA_R0
WCDMA_1900_ON
TP3
TP1
TP2
Summary of Contents for CT815
Page 1: ...Date May 2009 Issue 1 0 Service Manual Model CT815 Service Manual CT815 Internal Use Only ...
Page 221: ...Note ...
Page 222: ...Note ...