LG 50UH5500 Service Manual page 62

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 2016 LG Electronics Inc. All rights reserved.
Only for training and service purposes
RS-232C Control INTERFACE
RS232C
IC11200
MAX3232CDR
C1+ VCC
RS232C
1 16
C11200
0.1uF
V+ GND
RS232C
2 15
C11201
0.1uF
C1- DOUT1
3 14
C2+ RIN1
RS232C
4 13
C11202
0.1uF
C2- ROUT1
5 12
V- DIN1
RS232C
6 11
C11203
0.1uF
DOUT2 DIN2
7 10
RIN2 ROUT2
8 9
EAN41348201
+3.5V_ST
Closed to Jack side
AR11200
RS232C
100
1/16W
RS232C
C11204
RIN1
0.1uF
UF71/7500
DOUT1
SOC_RX
SOC_TX
2014-05-19
RS232C
22
LGE Internal Use Only