LG LG-D855 - Troubleshooting; Common Error Messages and Solutions

3. TROUBLE SHOOTING
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Check TP1 Signal exist?
START
Check next step
OK?
No
Check SW1103 Soldering
C1121
1n
82n L1115
C1459
100p
DNIL1113 DNIL1114
C1133100p
100p C1132
+1V8_VREG_S3A
+2V7_VREG_L16
U1303
10 11
5
4
13
3 2 1
7
6
12
14
8 9
15
EPAD
RX08
NC
RX04
RX05
SDATA
SCLK
RX03
RX02
RX01
ANT
VDD
VIO
RX06 RX07
RFFE2_DATA
RFFE2_CLK
TP1