LG 32LX330C Service Manual page 41

RS232C
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
RS232C
+3.5V_ST
C3200 0.33uF
IC3200
C3205
MAX3232CDR
0.1uF
C1+ VCC
1 16
C3201
0.1uF
V+ GND
2 15
C3202
0.1uF
C1- DOUT1
3 14
C2+ RIN1
4 13
C3203
0.1uF
C2- ROUT1
5 12
V- DIN1
6 11
C3204
0.1uF
DOUT2 DIN2
7 10
RIN2 ROUT2
8 9
EAN41348201
EXT_5V EXT_12V
EXT_5V EXT_12V
IR_OUT
D3200
D3201
CDS3C30GTH
CDS3C30GTH
30V
30V
OPT
OPT
+3.5V_ST
D3202
+3.5V_ST BAP70-02
50V
R3203 R3204
4.7K 4.7K
EU_INT EU_INT
NON_NEC_MICOM
NON_NEC_MICOM
10
5
9
4
8
R3200
100
3
7
R3201
100
2
6
1
SPG09-DB-009
P3200
R3202
1K
R3205 0
PM_RXD
R3206 0
PM_TXD
NEC_MICOM
R3207 0
UART_RX
NEC_MICOM
R3208 0
UART_TX
LGE Internal Use Only