LG LG-V909DW - Page 73

4. TROUBLE SHOOTING
- 73 -
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Only for training and service purposes
LGE Internal Use Only
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FIG 15 WCDMA TX Block
Battery Level check (W2100, W900)
FIG 16 Schematic of WCDMA I, VIII Power Supply
{
wGX
{wGY
{wGZ
{wG[G
{wG\
{wG]
{wG^
{wG_
{wG`
{wGXW
{wGXXG
{wGXYG
{wGXZG
{wGX[G
{wGX
2.2u
C108
330p
C107
VBAT
330p
C106
100p
C113
100p
C114
2.2n
C155
100p
C138
100p
C139
U801
51
8 7
9 6
10 5
11 4
12 3
13 2
14 1
RFIN_LOW
RFOUT_LOW
VMODEGND3
VBPVCC2
VCC1GND2
VEN_LOWRFOUT_HI
VEN_HIGND1
RFIN_HICPL
DNGP
2.2u
C154
W2100_ON
W900_ON
R0
TP1