LG -E445 Service Manual page 71

TP1(RF IN)
TP3
+3V4_VWPAM_MTK
C171
1n
C177 1.8n
C178 L119
18n
1.8p
TP2(RF OUT)
LGE Internal Use Only
MT6162
TP3
(U101)
U104 PA
TP2(RF OUT)
U104
11
PGND
Close to pin1
10 1
VCC2 VCC1
9 2
RFOUT RFIN
8 3
ISO NC
7 4
GND VMODE
6 5
CPL VEN
R111
C174
49.9
100p
DPX (FL104)
VBATT
TP1(RF IN)
C167 C168
1n
2.2u
PA_R1
PA_R0
PA_ON_W850_W900
C172
10n
C175
100p
- 71 - Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
RF3237
(U102)
W850_W900 TX
L115 100p
W850_W900_TX_IN
C173
DNI
Only for training and service purposes