LG 55LM8600 Service Manual page 31

RS232C
0.1uF
0.1uF
0.1uF
0.1uF
RS232
COMPONENT 1 PHONE JACK
COMP_JACK_BLACK
KJA-PH-1-0177
COMP_JACK_GREEN
JK3801-*1
KJA-PH-1-0177-2
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
12V_COMMERCIAL_OUT
12V 1A FOR COMMERCIAL(RS-232C POWER)
12V_COMMERCIAL_OUT
IR_OUT
IC3800
+3.5V_ST RS232
MAX3232CDR 100 R3820
RS232
C1+ VCC
C3800 100
1 16 R3821
RS232
+3.5V_ST
V+ GND OPT_RS232
C3801 D3804 D3805
2 15 R3834
20V 20V
RS232 OPT OPT
10K
C1- DOUT1
3 14 FOR COMMERCIAL
SPG09-DB-009
C2+ RIN1
C3802 JK3803
4 13
RS232
RS232
C2- ROUT1
5 12
C3803 V- DIN1
6 11
DOUT2 DIN2
7 10
RIN2 ROUT2
8 9 SOC_RX
EAN41348201
SOC_TX
+3.5V_ST
R3811 R3814
4.7K 4.7K
OPT
OPT
+3.3V_NORMAL
R3806
10K
COMP1_DET
D3803
5.6V
OPT
JK3801
5 M5_GND
4 M4
COMP1_Y
3 M3_DETECT
1 M1
6 M6
COMP1_Pb
5 M5_GND
4 M4
3 M3_DETECT
1 M1 COMP1_Pr
6 M6
10
5
9
4
8
3
7
2
6
1
RS232
UART_4PIN_STRAIGHT UART_4PIN_ANGLE
+3.5V_ST P3800 P3801
12507WS-04L 12507WR-04L
1 1
2 2
3 3
4 4
5 5
ESD For MTK
CVBS 1 PHONE JACK
+3.3V_NORMAL
R3810
10K
AV1_CVBS_DET
D3800
5.6V
AV_JACK_BLACK OPT
JK3800
KJA-PH-1-0177
5 M5_GND
4 M4
AV1_CVBS_IN
3 M3_DETECT
1 M1
6 M6
AV_JACK_YELLOW AV1_L_IN
JK3800-*1
KJA-PH-1-0177-1 D3801
5.6V
5 M5_GND
OPT
4 M4
3 M3_DETECT
1 M1
AV1_R_IN
6 M6
D3802
5.6V
OPT
ESD For LG1152
D3803-*2
D3803-*1
5.6V
5.6V
ESD_LG1152
ESD_MTK
D3800-*2
D3800-*1
5.6V
5.6V
ESD_LG1152
ESD_MTK
D3801-*2
D3801-*1
5.6V 5.6V
ESD_LG1152
ESD_MTK
D3802-*2
D3802-*1
5.6V 5.6V
ESD_LG1152
ESD_MTK
JACK_COMMON 2011.11.21
38
LGE Internal Use Only