LG 32LD320H Service Manual page 26

Module
+3.3V
R1378
LVDS_SEL_PULLUP
3.3K
R1379
LVDS_SEL_GND
0
52
51
V4 OPTION
External VBR
50
R1366
PWM_DIM
49
R1365
OPC_OUT
MEMC_SDA
48
OPC_OUTPUT
MEMC_SCL
47
MEMC_RESET
46
45
44
43
42
+3.3V
41
LVB_0M
40
LVB_0P
39
R1372
LVB_1M
38
510
OPC
LVB_1P OPC_EABLE
37
OPC_EN
LVB_2M
36
LVB_2P
R1373
35
0
OPT
34
LVB_CKM
33
LVB_CKP
32
31
LVB_3M
30
LVB_3P R1370
29
+3.3V 10BIT X
LVB_4M
28
8BIT X
LVB_4P
27 R1370
3.3K
26 OPT
BIT_SEL
25
R1371
LVA_0M
24 0
BIT_SEL_GND(8bit)
LVA_0P
23
LVA_1M
22
LVA_1P
21
LVA_2M
20
LVA_2P
19
18
LVA_CKM
17
LVA_CKP
16
15
LVA_3M
14
LVA_3P
13
LVA_4M
12
LVA_4P
11 R1380
0 @optio
10
R1381
0 @optio
9
8
7
6
5
4
3
2
1
TF05-51S
P1301
FHD
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 © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
R1378 R1379
HD X O
FHD X O
AUO10 X X
R1367
22
LVDS_SEL
OPT
LVDS_HD_26~42"
P1302
FF10001-30
1
2
22
3
22
4
5
6
LVB_3P
LVB_3M 7
8
9
LVB_CKP
LVB_CKM 10
11
12
LVB_2P
13
LVB_2M
14
LVB_1P 15
16
LVB_1M
17
LVB_0P 18
19
LVB_0M
20
21
22
23
R1371
X 24
0 25
26
27
28
29
30
31
R1315 R1314 R1313 R1312
OPT OPT OPT OPT
CONTROL
IR & LED
+5V_ST
R1320
R1319
4.7K 19~26"
4.7K
L1304
R1318
BLM18PG121SN1D
100
KEY1
R1317 L1302
BLM18PG121SN1D
100
KEY2
19~26"
C1308
C1306
0.1uF
0.1uF
16V
16V
19~26"
L1301
BLM18PG121SN1D
L1303
BLM18PG121SN1D
32~52"
32~52"
32~52"
C1305 C1307
0.1uF 0.1uF
32~52" 32~52"
NEC_IR
+5V_ST
+5V_ST
+5V_ST
R1300
22 R1303
IR_OUT 47K
R1302
C 10K
Q1300
B
2SC3052
E R1304
C 100K
B
Q1301 E
2SC3052
L1305
BLM18PG121SN1D
LED_B
L1306
BLM18PG121SN1D
LED_R
C1313
C1312
1000pF 1000pF
50V
50V
Zener Diode is
close to wafer
PANEL_POWER
L1300
BLM18PG121SN1D
C1300
C1301
1000pF 0.1uF
16V
50V
19~26"
P1303
12507WR-03L
KEY1
ZD1301
1
5.6V
19~26"
AMOTECH KEY2
2
ZD1300
5.6V
GND
3
19~26"
AMOTECH
19~26" 4
ZD1304
ZD1302 IR_Photocoupler
5.6V
5.6V
AMOTECH
AMOTECH
P1305
12507WS-08L
KEY1
1
KEY2
2
GND
3
L1307
BLM18PG121SN1D
5V_ST
4
C1314 C1315
0.1uF 1000pF
16V 50V GND
5
IR_OUT_PC
R1305
IR
100
6
ZD1303
C1309
LED_B
5.6V 7
100pF
AMOTECH
50V
LED_R
8
9
.
ZD1306
ZD1305
5.6V
5.6V
AMOTECH
AMOTECH
+5V_ST
IR_OUT
R1132
10K
R1131
10K
IC1100
74AC08SJ
C
R1133
10K
B Q1121
A0 VCC
2SC3052
1 14
IR_OUT_CTRL
E
B0 A2
2 13
O0 B2
IR_OUT_HDMI1 3 12
A1 O2
4 11
B1 A3
5 10
O1 B3
IR_OUT_HDMI2 6 9
GND O3
7 8
BOX_5V
C1316
0.1uF
PHOTO Coupler
IR_OUT_RS232C
IC1101
PHOTO Coupler
PC17L1(5V/35V 4P)
C
R1306
100 1 4
B Q1302
KRC102S
PHOTO Coupler
E
2 3
+5V_ST
R1308
0
R1142
4.7K
R1130
22
IR_OUT
IR_OUT_PC
R1384 22 NOT PHOTO Coupler
IR_OUT_RS232C
MST_IR
EAX62121501
2010.03.10
MODULE&CTL
11 12
LGE Internal Use Only