LG 22LS3700 Service Manual page 25

RS-232C
COMMERCIAL MODEL OPTION
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.5V_ST
C1000
0.33uF
COMMERCIAL COMMERCIAL
COMMERCIAL C1005
0.1uF
IC1000
MAX3232CDR
C1+ VCC
COMMERCIAL
1 16
C1001
0.1uF
V+ GND
COMMERCIAL
2 15
C1002
0.1uF
C1- DOUT1
3 14
C2+ RIN1
COMMERCIAL RS-232C_IC_Bypass
4 13
C1003
0.1uF R1000 R1001
C2- ROUT1
0 0
5 12
RS-232C_IC_Bypass
V- DIN1
COMMERCIAL
6 11
C1004
0.1uF
DOUT2 DIN2
7 10
RIN2 ROUT2
8 9
EAN41348201
R1003
100
R1002
100
OPT
OPT
D1000 D1001
ADUC 20S 02 010L
ADUC 20S 02 010L
20V
20V
PM_RXD
PM_TXD
For Comsumer model,
use 4PIN Wafer.
COMMERCIAL MODEL OPTION
COMMERCIAL
JP1002
IR_OUT
M6 6
JP1000
M1 1
M3_DETECT 3
JP1001
M4 4
JP1004
M5_GND 5
KJA-PH-1-0177
JK1001
+3.5V_ST
P1000
12507WR-04L
JP1003
VCC
1
PM_RXD
2
GND
3
RM_TXD
4
5
GND
GP4L_S7LR2
RS232C_PHONE
2011/08/13
10
LGE Internal Use Only