Read LG 22LU50FD (CHASSIS:LC91M) Service Manual online
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.
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.
Module & sub
+5V_ST
LVB_CKM
Q1301
2SC3052
IR_OUT
E
B
C
+5V_ST
Q1300
2SC3052
IR_OUT
E
B
C
LVB_0M
LVB_1P
LVB_0P
LVB_4P
LVB_2M
R1378
3.3K
OPT
LVB_CKP
LVB_3M
LVB_2P
ZD1306
5.6V
AMOTECH
5.6V
AMOTECH
L1303
BLM18PG121SN1D
26inch
L1307
BLM18PG121SN1D
L1301
BLM18PG121SN1D
26inch
PANEL_POWER
L1300
BLM18PG121SN1D
+3.3V
+3.3V
PWM_DIM
001:S17;007:L22
OPC_OUT1
007:L23
OPC_EN
001:AJ13
+3.3V
IR_OUT
004:D19
C1303
220uF
16V
OPT
OPT
BIT_SEL
001:AJ20
R1373
0
OPT
R1367
22
OPT
LVDS_SEL
001:AJ11
001:AJ11
R1365
22
OPC_ENABLE
R1366
22
OPC_ENABLE
R1371
0
22inch
R1379
0
26inch
R1370
3.3K
OPT
OPT
LVA_4P
LVA_CKP
LVA_3M
LVA_1P
LVA_2P
LVA_1M
LVA_0M
LVA_2M
LVA_4M
LVA_0P
LVA_3P
LVA_CKM
R1319
4.7K
R1320
4.7K
ZD1304
5.6V
AMOTECH
5.6V
AMOTECH
26inch
ZD1302
5.6V
AMOTECH
5.6V
AMOTECH
26inch
ZD1303
5.6V
5.6V
AMOTECH
C1309
100pF
100pF
50V
C1315
1000pF
50V
C1307
0.1uF
26inch
C1305
0.1uF
26inch
C1314
0.1uF
16V
R1318
100
100
R1317
100
100
LED_R
001:AA19
+3.3V_ST
KEY2
001:AA19
KEY1
001:AA19
+5V_ST
IR
001:AA20
LVB_3P
LVB_4M
LVB_1M
R1372
510
OPT
C1300
0.1uF
0.1uF
16V
C1301
1000pF
50V
R1300
22
IR_OUT
R1301
47K
IR_OUT
R1303
47K
IR_OUT
R1304 47K
OPT
R1302 10K
IR_OUT
R1305
100
R1312
OPT
OPT
R1313
OPT
OPT
R1314
OPT
OPT
R1315
OPT
OPT
P1301
TF05-51S
1
[51]VLCD
2
[50]VLCD
3
[49]VLCD
4
[48]VLCD
5
[47]NC
6
[46]GND
7
[45]GND
8
[44]GND
9
[43]NC
10
[42]NC
11
[41]R2EP
12
[40]R2EN
13
[39]R2DP
14
[38]R2DN
15
[37]GND
16
[36]R2CLKP
17
[35]R2CLKN
18
[34]GND
19
[33]R2CP
20
[32]R2CN
21
[31]R2BP
22
[30]R2BN
23
[29]R2AP
24
[28]R2AN
25
[27]BIT_SEL
26
[26]GND
27
[25]R1EP
28
[24]R1EN
29
[23]R1DP
30
[22]R1DN
31
[21]GND
32
[20]R1CLKP
33
[19]R1CLKN
34
[18]GND
35
[17]R1CP
36
[16]R1CN
37
[15]R1BP
38
[14]R1BN
39
[13]R1AP
40
[12]R1AN
41
[11]GND
42
[10]OPC_EN
43
[9]OPC_OUT
44
[8]VBR_EXT
45
[7]LVDS_SEL
46
[6]NC
47
[5]NC
48
[4]NC
49
[3]NC
50
[2]NC
51
[1]GND
52
.
R1369
510
26inch
L1311
BLM18PG121SN1D
P1302
12507WS-08L
1
KEY1
2
KEY2
3
GND
4
5V_ST
5
GND
6
IR
7
LED_W
8
LED_R
9
.
P1303
12507WR-03L
22inch
1
KEY1
2
KEY2
3
GND
4
.
C1317
1000pF
ZD1305
5.6V
AMOTECH
5.6V
AMOTECH
LED_W
001:AJ10
C1316
1000pF
L1310
BLM18PG121SN1D
ZD1308
5.6V
AMOTECH
22inch
C1313
0.1uF
22inch
C1312
0.1uF
22inch
L1308
BLM18PG121SN1D
22inch
ZD1307
5.6V
AMOTECH
22inch
L1309
BLM18PG121SN1D
22inch
R1306
0
26inch
R1307
0
26inch
EAX61023402
8 9
2009.04.28
Module
CONTROL IR & LED
close to wafer
Zener Diode is
OPC ENABLE (option)
LVDS_SEL
OPC_EN
BIT_SEL
Disable
Enable
JEIDA
VESA
10bit(D)
8bit
L / NC
H
45 [7]
H
L
42 [10]
25 [27]
H / NC
L
LC91M(22/26LU50FD-CA)
VESA
JEIDA
* 22inch : NC
* 22inch : NC
10bit
8bit
* 22inch : GND
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