LG L601i Service Manual page 54

3.10.7. IRDA & UART COMMUNICATION
CAM_SENSE detects the Camera Direction (front or back)
1
1B0
2
1B1
3
2B0
4
2B1
AE13
EBI2_ADD[17]
AA13
EBI2_ADD[16]
W13
EBI2_ADD[15]
T13
EBI2_ADD[14]
AC12
EBI2_ADD[13]
AA12
EBI2_ADD[12]
AF11
EBI2_ADD[11]
AE11
EBI2_ADD[10]
W12
EBI2_ADD[9]
AC11
EBI2_ADD[8]
AA11
EBI2_ADD[7]
W11
EBI2_ADD[6]
AC10
EBI2_ADD[5]
AF9
EBI2_ADD[4]
AA10
EBI2_ADD[3]
AE9
EBI2_ADD[2]
W10
EBI2_ADD[1]
IrDA
0.1u C600
U604
FSA2267L10X
9
1A
8
1S
TP600
7
2S
6
2A
Figure. UART & IRDA S/W
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3. TECHNICAL BRIEF
U603
RPM840-H11
C601
7
GND
0.47u
R605
6
VCC
0
5
SD
4
RXD SHIELD
3
TXD
2
TX-RC
27
1
LEDA
R606
SIR TRANCEIVER
SD(L:ACTIVE, H:SHUTDOWN)
LOW POWER MODE : LEDA VCC
8