Read LG 55LH45YD (CHASSIS:LC91B) 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.
AUDIO_R_OUT
COMP2_Pb_IN
002:E20
C521
10uF
16V
D501
5.6V
AMOTECH
COMP2_L_IN
002:S16
+3.3V
JK500
PPJ227-01
9N
[GN]E-LUG.
5K
[GN]O-SPRING-L
COMP2_Y
6K
[GN]CONTACT-L.
4E
[GN]O-SPRING-S
COMP1_Y
3E
[GN]CONTACT-S.
9M
[BL]E-LUG.
7J
[BL]C-LUG-L
COMP2_Pb
8D
[BL]C-LUG-S
COMP1_Pb
9L
[YL]E-LUG.
4L
[YL]O-SPRING-S
AV1_CVBS
3L
[YL]CONTACT-S.
7H
[RD]C-LUG-L
COMP2_Pr
8C
[RD]C-LUG-S
COMP1_Pr
9G
[WH]E-LUG.
8M
[WH]C-LUG-S_1
AV1_L
7G
[WH]C-LUG-L
COMP2_L
8B
[WH]C-LUG-S_2
COMP1_L
9F
[RD]E-LUG.
4N
[RD]O-SPRING-S_1
AV1_R
3N
[RD]CONTACT-S_1.
5F
[RD]O-SPRING-L
COMP2_R
6F
[RD]CONTACT-L.
4A
[RD]O-SPRING-S_2
COMP1_R
3A
[RD]CONTACT-S_2.
C507
47pF
50V
D503
5.6V
AMOTECH
D522
30V
AMOTECH
D505
30V
AMOTECH
2SC3052
Q500
COMP1_R_IN
002:S14
C510
47pF
50V
2SC3052
Q501
+3.3V
D531
5.6V
OPT
S_C_IN
002:E22
D504
30V
AMOTECH
D512
5.6V
AMOTECH
D511
5.6V
AMOTECH
D502
30V
AMOTECH
S_Y_IN
002:E22
JK501
PSJ014-01
6
GND
1
C-LUG1
2
C-LUG2
3
0-SPRING
4
C-LUG3
5
C-LUG4
7
SHIELD
COMP2_R_IN
002:S16
D500
30V
AMOTECH
IC500
LM324D
AUDIO_LR_OUT
3
3
2
2
4
4
1
1
6
6
5
5
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
AV1_CVBS_IN
002:E21
D508
30V
AMOTECH
AV1_R_IN
002:S15
JK502
PPJ200-07
OPT
3A
2A
4A
2B
5B
COMP1_Pb_IN
002:E17
COMP1_Pr_IN
002:E16
S_DET
001:AJ19
D507
5.6V
AMOTECH
D515
5.6V
AMOTECH
D530
5.6V
OPT
C522
10uF
16V
AV1_L_IN
002:S15
D509
30V
AMOTECH
COMP2_Y_IN
002:E20
D510
5.6V
AMOTECH
C511
47pF
50V
COMP2_Pr_IN
002:E20
COMP1_DET
001:AJ20
+12V
D506
30V
AMOTECH
D513
5.6V
AMOTECH
COMP1_L_IN
002:S14
COMP1_Y_IN
002:E16
D520
30V
AMOTECH
AUDIO_LR_OUT_MUTE
AV1_DET
001:AJ15
D514
5.6V
AMOTECH
+3.3V
COMP2_DET
001:AA22
D521
5.6V
AMOTECH
AUDIO_L_OUT
+3.3V
Q502
RT1P141C-T112
1
2
3
C500
0.1uF
16V
C504
100pF
50V
C501
100pF
50V
C503
1000pF
50V
C505
1000pF
50V
C502
1000pF
50V
C506
1000pF
50V
R513
0
R537
0
R512
0
R514
0
R534
0
R542 0
R541
0
R536
0
R535
0
R521
75
R522
75
R524 75
R544
75
R526 75
R545
75
R527 75
R523 75
R543
1K
R509
1K
R510
1K
R511 1K
R502 4.7K
R500
4.7K
R501
4.7K
R503
470K
R554
470K
OPT
R555
470K
OPT
R506
470K
R505
470K
R504
470K
R550
470K
R507
470K
R508
470K
R551
470K
R518
10K
R562
10K
R519
10K
R516
10K
R517
10K
R520
10K
R515
10K
R540
10K
R563
10K
R530
12K
R533
12K
R531
12K
R529
12K
R532
12K
R528
12K
R525
75
R556
2K
R557
2K
R561
33K
R560
33K
R552
2.2K
R553
2.2K
C523
33pF
C524
33pF
C520
0.1uF
16V
C525
0.1uF
16V
R559
5.6K
R558
5.6K
D516
ENKMC2838-T112
A1
C
A2
SB_MUTE
5 13
INTERFACE_2
2009. 1.15.
EAX60737402
(option : AUDIO_LR_OUT)
S-Video(AV1,rear)
Component1/2 and AV1(rear)
AUDIO OUT
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