LG 42LB5800 Service Manual page 35

RS-232C Control INTERFACE(NORTH AMERICA)
RS232C_US
RS232C_US
RS232C_US
RS232C_US
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 right reserved.
Only for training and service purposes
+3.5V_ST
RS232C_US
RS232C_US C3713
0.1uF
IC3700
MAX3232CDR
C1+ VCC
1 16
C3708
0.1uF
V+ GND
2 15
C3709
0.1uF
C1- DOUT1
3 14
C2+ RIN1
4 13
C3710
0.1uF C2- ROUT1
5 12
SOC_RX
V- DIN1
6 11
SOC_TX
C3711
0.1uF
DOUT2 DIN2
7 10
RIN2 ROUT2
8 9
EAN41348201
Closed to Jack
HP_ROUT
HP_LOUT
OPT OPT
ZD3703
ZD3702
ADUC 20S 02 010L
ADUC 20S 02 010L
20V
20V +3.3V_NORMAL
R3706
10K
R3705
1K
HP_DET
JK3700
PEJ034-01
E_SPRING
3
R_SPRING
4
T_SPRING
5
B_TERMINAL2
7B
T_TERMINAL2
6B
14Y Phone Jack 2013.08.27
537
LGE Internal Use Only