Rs-232C Control Interface - LG 49UH6500 Service Manual

RS-232C Control INTERFACE

C1+
RS232C
C7200
0.1uF
V+
RS232C
C7201
0.1uF
C1-
C2+
RS232C
C7202
0.1uF
C2-
V-
RS232C
C7203
0.1uF
DOUT2
RIN2
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
EAN41348201
+3.5V_ST
RS232C
IC7200
MAX3232CDR
VCC
1 16
RS232C
C7204
GND 0.1uF
2 15
DOUT1
3 14
RIN1
4 13
ROUT1
5 12 SOC_RX
DIN1
6 11 SOC_TX
DIN2
7 10
ROUT2
8 9
RS232C TO PHONE JACK
(US ONLY)
RS232C
R7200
DOUT1
100
HP_ROUT_JACK
RS232C
R7201
RIN1
100
HP_LOUT_JACK
OPT
OPT
VA7201
VA7200
20V
20V
15/06/13
RS232C 73
LGE Internal Use Only