LG 43LX310C Service Manual page 31

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 rights 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