Read LG 42LG61YD (CHASSIS:LB81C) 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.
COMP1_Pr
005:T6
R505
0
L501
MBW3216-501TF
COMP1_Pb
005:T6
R522
22
R506
0
R524
22
R523
22
R502
0
R504
0
R512
0
R503
0
COMP1_Y
005:T7
COMP_Pb
001:F18
IC500
STMAV340
EAN32724702
3
2B
2
1C
4
2C
1
1B
6
3C
5
3B
7
4B
8
4C
9
GND
10
4A
11
3A
12
2A
13
1A
14
S
15
OE_N
16
VCC
C506
0.01uF
COMP2_Pr
005:J7
C507
47uF
16V
COMP_Pr
001:F18
+5V_GENERAL
R507
0
R525
22
COMP_Y
001:F18
COMP_SEL
008:E6;008:O10;001:H24
COMP2_Pb
005:J8
COMP2_Y
005:J9
COMP2_Pr
C508
0.1uF
50V
R537
10K
R532
470K
D506
5.6V
CDS3C05GTA
OPT
COMP1_R_IN
R511 75
R516
22
D510
5.6V
CDS3C05GTA
OPT
R514
470K
COMP1_DET
001:W4
R513
470K
R501
10K
D503
30V
CDS3C30GTH
OPT
R533
22
D501
30V
CDS3C30GTH
OPT
D512
5.6V
CDS3C05GTA
OPT
C512
100pF
50V
COMP1_Pb
R508
1K
R528
75
D507
30V
CDS3C30GTH
OPT
COMP2_DET
001:W4
R526
10K
+5V_GENERAL
R509
75
D505
5.6V
CDS3C05GTA
OPT
D502
30V
CDS3C30GTH
OPT
R517
22
D504
5.6V
CDS3C05GTA
OPT
C504
100pF
50V
R521
12K
C505
100pF
50V
D509
30V
CDS3C30GTH
OPT
R515
22
JK501
PPJ209-02
6612J10031A
4A
[GN]CONTACT
2A
[GN]1P_CAN
3A
[GN]O_SPRING
2B
[BL]1P_CAN
5B
[BL]C_LUG_L
2C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2D
[WH]1P_CAN
5D
[WH]C_LUG_L
2E
[RD]1P_CAN2
4E
[RD]CONTACT
3E
[RD]O_SPRING
R520
12K
R530 75
R529 75
R510 75
C511
100pF
50V
C503
0.1uF
50V
R536 10K
COMP1_Pr
D508
30V
CDS3C30GTH
OPT
COMP2_R_IN
R538
12K
C510
0.1uF
50V
COMP2_Y
R539
12K
COMP1_L_IN
R534
22
C509
0.1uF
50V
R531
470K
COMP2_L_IN
C501
0.1uF
50V
R518 10K
D511
5.6V
CDS3C05GTA
OPT
C502
0.1uF
50V
R535
22
+5V_GENERAL
JK502
PPJ209-02
6612J10031A
4A
[GN]CONTACT
2A
[GN]1P_CAN
3A
[GN]O_SPRING
2B
[BL]1P_CAN
5B
[BL]C_LUG_L
2C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2D
[WH]1P_CAN
5D
[WH]C_LUG_L
2E
[RD]1P_CAN2
4E
[RD]CONTACT
3E
[RD]O_SPRING
R527
1K
R519
10K
COMP1_Y
COMP2_Pb
D520
5.6V
CDS3C05GTA
OPT
JP5015
R548
75
D517
30V
CDS3C30GTH
R543
22
C517
OPT
OPT
P501
KCN-DS-1-0089
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
D513
30V
EEPROM_WP
DSUB_HSYNC
JP5013
+5V_GENERAL
JP5017
R552
22
D519
ENKMC2838-T112
A1
C
A2
C518
0.1uF 50V
R557
10K
R551
4.7K
R556
100
JP5014
DSUB_B
C516
OPT
OPT
R546
75
R544
22
C520
18pF
50V
DSUB_G
JP5016
C519
18pF
50V
R553
10K
D521
5.6V
CDS3C05GTA
OPT
DSUB_R
R550
4.7K
IC501
AT24C02BN-10SU-1.8
0IMMRAL014D
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D516
30V
CDS3C30GTH
R555 0
OPT
D518
5.6V
CDS3C05GTA
OPT
DSUB_DET
C514
22pF
50V
R542
10K
DDC_SCL/UART_RX
D515
30V
CDS3C30GTH
R547
75
D514 30V
CDS3C30GTH
DSUB_VSYNC
C515
OPT
OPT
R545
22
R558
1K
DDC_SDA/UART_TX
R541
100
R549
10K
C513
22pF
50V
R554
22
R540 100
R7017
100
R7018
100
+5V_ST
JP5020
JP5021
TP551
HIGH:COMP1
COMPONENT-SW
LOW :COMP2
COMPONENT1
COMPONENT2
D-SUB
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