LG 79UB980T-TA Service Manual page 53

RS-232C Control INTERFACE
C6812
0.33uF
OPT
C1+
1
C6808
0.1uF
V+
2
C6809
0.1uF
C1-
3
C2+
4
C6810
0.1uF
C2-
5
V-
6
C6811
0.1uF
DOUT2
7
RIN2
8
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 © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.5V_ST
C6813
0.1uF
IC6801
MAX3232CDR
VCC
16
GND
15
DOUT1
14
RIN1
13
ROUT1
12
DIN1
11
DIN2
10
ROUT2
9
EAN41348201
R6820
100
R6821
100
OPT
ZD6802 OPT
ADUC 20S 02 010L
ZD6803
20V
ADUC 20S 02 010L
20V
SOC_RX
SOC_TX
2013.12.17
RS232C 68
JK6801
SPG14-DC-0101
5
9
4
8
3
7
2
6
1
10
BSD-14Y-UD-068-HD
LGE Internal Use Only