LG 43LF5900 Service Manual page 36

RS232C
C11200
RS232C
C11201
RS232C
C11202
RS232C
C11203
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
RS-232C Control INTERFACE
+3.4V_ST
RS232C
RS232C C11204
0.1uF
IC11200
MAX3232CDR
C1+ VCC
1 16
0.1uF
V+ GND
2 15
0.1uF
C1- DOUT1
3 14
C2+ RIN1
4 13
0.1uF
C2- ROUT1
5 12
V- DIN1
6 11
0.1uF
DOUT2 DIN2
7 10
RIN2 ROUT2
8 9
EAN41348201
RS232C
R11201
100
RS232C
R11200
100
OPT OPT
VA11200 VA11201
ADUC 20S 02 010L ADUC 20S 02 010L
20V
20V
SOC_RX
SOC_TX
DOUT1
RIN1
GND JIG POINT
A5LR_Bring_Up
2014.11.01
RS232C
112
LGE Internal Use Only