LG 32LH2000 Service Manual page 25

Module
+3.3V
LVDS_SEL_PULLUP
R1379
LVDS_SEL_GND
52
51
50 External VBR
PWM_DIM
49
MEMC_SDA 1:L21 OPC_OUT
48
OPC_OUTPUT
MEMC_SCL 1:L21
47 1:V17;8:M8
MEMC_RESET
46
45
44
43
42
+3.3V
41
40 LVB_0M
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
LVB_4M
28
8BIT
LVB_4P
R1370
27
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 EXCEPT_22LU50
R1612
0
10
R1613 0
9
EXCEPT_22LU50
8
7
6
5
4
3
2
1
TF05-51S
P1301
D_LVDS_WAFER
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 © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
R1378 R1379
HD X O
FHD X O
R1378
3.3K
R1367 OPT 22
LVDS_SEL
0
LVDS_HD_26~42
P1302
FF10001-30
1
V4 OPTION
2
R1366 22
3
22
R1365
4
5
6 LVA_0M
LVB_3P
LVA_0P
7
LVB_3M
8
9 LVA_1M
LVB_CKP
LVA_1P
10
LVB_CKM
11
LVA_2M
12
LVB_2P
LVA_2P
13
LVB_2M
14
LVA_CKM
15
LVB_1P
LVA_CKP
16
LVB_1M
17
LVA_3M
LVB_0P 18
LVA_3P
19
LVB_0M
20
21
22
23
R1371
X X 24
X 0 25
26
27
28
29
30
31
LVDS_HD_19~22
Small
KEY1
KEY2
31
31
LVB_0M
30
LVB_0P
30
29
LVB_1M
29 28
LVB_1P
28 27
27 LVB_2M
26
LVB_2P
26 25
25 24
LVB_CKM
24 23
LVB_CKP
23
22
LVB_3M
22 21
LVB_3P
21 20
LVA_0M
20
19
LVA_0P
19
18
18 17
LVA_1M
17 16
16 LVA_1P
15
15 14
LVA_2M
14 13
LVA_2P
13 12
LVA_CKM
12
11
LVA_CKP
11 10
LVA_3M
10 9
9 LVA_3P
8
8 7
7 6
6 5
5
4
4 3
3 2
2
1
1
FF10001-30
P1306
FF10001-30
LVDS_MNT_HD_19~22
P1300
WARM_LED_ON/LED_W
PANEL_POWER
L1300
BLM18PG121SN1D
C1301 C1300
R1315 R1314 R1313 R1312 C1303
OPT OPT OPT OPT 220uF 1000pF 0.1uF
16V 50V 16V
OPT
CONTROL
IR & LED
+3.3V_ST
R1319 R1320
4.7K 4.7K
19~22/26LH2000
L1304
R1318 BLM18PG121SN1D
100 19~22/26LH2000
ZD1301
L1302 5.6V
R1317
BLM18PG121SN1D AMOTECH
100
19~22/26LH2000
ZD1300
5.6V
C1308 19~22/26LH2000
C1306
0.1uF 0.1uF AMOTECH
16V 16V
19~22/26LH2000 19~22/26LH2000
L1301
BLM18PG121SN1D
L1303
BLM18PG121SN1D
C1305 C1307
0.1uF 0.1uF
L1307
+5V_ST
BLM18PG121SN1D
C1314 C1315
0.1uF 1000pF
16V 50V
L1305
BLM18PG121SN1D
8PIN IR
8PIN IR
L1306
BLM18PG121SN1D
C1313 C1312
8PIN IR
8PIN IR
1000pF 1000pF
ZD1306
50V ZD1305
50V 5.6V
5.6V
8PIN IR
8PIN IR
AMOTECH
AMOTECH
LED_ON/LED_R
R1305
100
IR
+5V_ST
+3.3V
+5V_ST
R1301
47K
R1300 OPT
22
R1303
IR_OUT
OPT 47K
R1302 OPT
C 10K
Q1300
B
2SC3052
E OPT
OPT R1304
C 47K
B
Q1301 OPT
E
2SC3052
OPT
19~22/26LH2000
P1303
12507WR-03L
KEY1
12PIN IR
1
P1304
KEY2
12507WS-12L
2
12PIN IR
12PIN IR D1300
GND
R1321 CDS3C05HDMI1
3
100 5.6V
1
SCL_SUB/AMP
4
R1322
100
2
SDA_SUB/AMP
12PIN IR
D1301
CDS3C05HDMI1
5.6V 3
12PIN IR
4
ZD1304
5.6V
AMOTECH
5
ZD1302
5.6V 6
AMOTECH
8PIN IR
P1305 7
12507WS-08L
R1325 4.7K
8
KEY1
1 12PIN IR
9
KEY2
2 12PIN IR
C1302
0.1uF 10
GND 16V
3
11
5V_ST
4
R1323 100 12
GND
5 12PIN IR
13
12PIN IR
IR
6
R1306
10K
LED_B
7
LED_R
8
9
.
C1309
100pF ZD1303
50V 5.6V
AMOTECH
L1308
BLM18PG121SN1D
12PIN IR 12PIN IR
12PIN IR
C1311
C1310
1000pF
0.1uF
50V
16V
Zener Diode is
close to wafer
EAX60686904 2009.03.25
MODULE&CTL
11 11
LGE Internal Use Only
SCL
SDA
GND
KEY1
KEY2
5V_ST
GND
WARM_ST
IR
GND
3.3V
PWR_ON