LG LG-D855 - Page 185

3. TROUBLE SHOOTING
- 185 -
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1uC8902
100K
R8901
R8900
36K
LD8900
VA8900
C8900 4.7u
C8901 0.1u
MAXQ616V
EAN62661801
U8900
B1
C1
D2
D3
D4
B4
D1
C2C3
B3
A3
A2
B2
A1
C4
A4
RESET/
REG18
P0.0/RX0/MOSI/INT0
P0.1/TX0/MISO/INT1
P0.2/SCL/SCLK/INT2
P0.3/SDA/SSEL/INT3
P0.4/TBA0/INT4
P0.5/TBB0/INT5 GND
P1.7/TDO
VDD
P1.4/TCK
P1.5/TDI
P1.6/TMS
IRTX
IRRX
+1V8_VREG_S3A
+1V8_VREG_S3A
+1V8_VREG_S3A
IRRC_RESET_N
IRRC_UART_TX
IRRC_UART_RX
10/11
10/11
TP2
TP1
U8900
TP1
TP2