LG L602i Service Manual page 56

3.10.7. UART & IrDA COMMUNICATION
LCD_ADS
UART
UART_TXD
UART_RXD
ON_SW_N
AA15
EBI2_ADD[20]_GPIO[34]
AC13
EBI2_ADD[19]
AF13
EBI2_ADD[18]
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]
TP311
TP312
TP313
VREG_MSMP_2.7V
SIR TRANCEIVER
SD(L:ACTIVE, H:SHUTDOWN)
LOW POWER MODE : LEDA VCC
Figure. UART & IrDA
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3. TECHNICAL BRIEF
IrDA
C806
0.47u
IrDA_SD
UART_RXD
UART_TXD
27
R801
U800
RPM840-H11
7
GND
6
VCC
5
SD
4 8
RXD SHIELD
3
TXD
2
TX-RC
1
LEDA