LG 55LH45YD (CHASSIS:LC91B) Service Manual ▷ View online
Fiber Optic
USB DOWN STREAM
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.
DSUB_B
2:E19
ISP_RXD
JK406
KCN-DS-1-0088
1
2
3
4
5
6
7
8
9
10
PC_L_IN
2:S16
IC403
MAX3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
JK404
KCN-DS-1-0089
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DSUB_G
2:E19
DSUB_R
2:E18
DBG_TX
DBG_RX
ISP_TXD
+5V_ST
+5V_ST
+3.3V
JK401
PEJ024-01
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
PC_R_IN
2:S16
DSUB_HSYNC
2:E18
DSUB_VSYNC
2:E18
DSUB_DET
AV2_DET
+3.3V
AV2_CVBS_IN
AV2_R_IN
AV2_L_IN
EDID_WP
1:AJ19
R412
10K
R416
100
D400
ENKMC2838-T112
A1
C
A2
+5V_ST
C402
18pF
50V
C401
18pF
50V
JK402
PPJ218-01
5C
[RD]CONTACT
2C
[RD]U_CAN
4C
[RD]O_SPRING
2B
[WH]U_CAN
3B
[WH]C_LUG
2A
[YL]U_CAN
5A
[YL]CONTACT
4A
[YL]O_SPRING
+5V_GENERAL
+5V_GENERAL
JK403
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
SPDIF_OUT
2:X18
SIDE_USB_DP
1:AL7
SIDE_USB_DM
1:AL8
D425
5.6V
CDS3C05HDMI1
D426
5.6V
CDS3C05HDMI1
IC400
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D413
30V
AMOTECH
D414
30V
AMOTECH
D415
30V
AMOTECH
D416
30V
AMOTECH
D417
30V
AMOTECH
D423
30V
ADUC30S03010L_AMODIODE
OPT
D424
30V
ADUC30S03010L_AMODIODE
OPT
D406
30V
AMOTECH
D404
5.6V
AMOTECH
D405
5.6V
AMOTECH
D418
5.6V
OPT
AMOTECH
D419
5.6V
OPT
AMOTECH
D420
5.6V
OPT
AMOTECH
D421
5.6V
OPT
AMOTECH
D422
5.6V
OPT
AMOTECH
ZD403
AMOTECH
OPT
JK405
KJA-UB-4-0004
1
2
3
4
5
IR_OUT
R461
0
OPT
USB_CTL
1:AI26
+5V_USB_SIDE
USB_OCD
1:AI14
C403
0.1uF
R458
6.2K
R457
6.2K
R456
0
R455
0
R446 0
OPT
R400
0
C404
0.1uF
16V
C431
0.1uF
16V
C421
0.1uF
16V
C405
0.1uF
C406
0.1uF
16V
C400
0.1uF 16V
R459
100
@maker
R460
100
C422
100pF
50V
C424
100pF
50V
C412
100pF
50V
C413
100pF
50V
R420
10K
R414
10K
R413
10K
R417
12K
R415
12K
R409
1K
R448
1K
R462
1K
OPT
R444
22
R445
22
C427
220pF
50V
C426
220pF
50V
R401
4.7K
R447
4.7K
R403
47
R450
470K
R408
470K
R410
470K
R449
470K
C414
47pF
50V
R442
75
R443
75
R411
75
R441
75
C419
OPT
C420
OPT
C418
OPT
R452
15K
R451
15K
R454
10K
R453
10K
C407
100uF
IC402
MP6211DH
3
IN_2
2
IN_1
4
EN
1
GND
5
FLAG
6
OUT_1
7
OUT_2
8
OUT_3
C1833
68pF
50V
C1834
68pF
50V
R440
68
R437
68
R1810
0
R1811
0
R1812
0
D403
5.6V
AMOTECH
R406
4.7K
R404
4.7K
C428
0.33uF
16V
C425 0.33uF 16V
C429
0.33uF
16V
C430
0.047uF
25V
R418
22
C408
100pF
50V
4 13
INTERFACE_1
2009. 1.15.
EAX60737402
PC RGB
RS232C
AV2(SIDE)
PC AUDIO
SPDIF OUT
SIDE_USB
Close to JK405
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
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.
GND
D601
ENKMC2838-T112
A1
C
A2
DDC_SDA_1
2:E10;AL9
D0+_HDMI4
2:E13
+5V_ST
D0-_HDMI2
2:E11
DDC_SDA_4
2:E14;AL14
CK+_HDMI2
2:E10
EDID_WP
CEC_REMOTE
K19;K8;AH25
DDC_SDA_2
2:E12;AL19
D1+_HDMI1
2:E9
D2-_HDMI2
2:E12
EDID_WP
D602
ENKMC2838-T112
A1
C
A2
DDC_SDA_4
DDC_SCL_4
D1+_HDMI2
2:E11
D0+_HDMI1
2:E8
5V_HDMI_2
DDC_SDA_1
D0-_HDMI4
2:E13
CK-_HDMI4
2:E13
DDC_SCL_1
2:E10;AL9
D1-_HDMI2
2:E11
5V_HDMI_4
D0+_HDMI2
2:E11
D2+_HDMI4
2:E14
GND
D1-_HDMI1
2:E9
D1-_HDMI4
2:E14
D2-_HDMI4
2:E14
CK-_HDMI1
2:E8
D2+_HDMI1
2:E9
+5V_ST
GND
CK+_HDMI4
2:E13
GND
CEC_REMOTE
K19;X14;AH25
CK-_HDMI2
2:E11
DDC_SCL_4
2:E15;AL13
D0-_HDMI1
2:E9
DDC_SCL_2
D1+_HDMI4
2:E14
DDC_SCL_2
2:E12;AL18
D2-_HDMI1
2:E9
DDC_SCL_1
+5V_ST
CEC_REMOTE
K8;X14;AH25
D600
ENKMC2838-T112
A1
C
A2
DDC_SDA_2
5V_HDMI_1
D2+_HDMI2
2:E12
CK+_HDMI1
2:E8
EDID_WP
JK602
EAG42463001
14
13
5
D1_GND
20
JACK_GND
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
5V_HDMI_1
HPD1
Q601
2SC3052
E
B
C
5V_HDMI_2
HPD2
Q602
2SC3052
E
B
C
5V_HDMI_4
HPD4
Q603
2SC3052
E
B
C
Q604
2SC3052
HDMI3
E
B
C
D0+_HDMI3
GND
D0-_HDMI3
CEC_REMOTE
HPD3
DDC_SDA_3
D2+_HDMI3
D2-_HDMI3
5V_HDMI_3
D1-_HDMI3
D1+_HDMI3
DDC_SCL_3
CK+_HDMI3
CK-_HDMI3
DDC_SCL_3
+5V_ST
EDID_WP
DDC_SDA_3
D606
ENKMC2838-T112
HDMI3
A1
C
A2
5V_HDMI_3
IC603
TMDS351PAGR
TMDS351PAG
1
SDA3
2
SCL3
3
GND_1
4
B31
5
A31
6
VCC_1
7
B32
8
A32
9
GND_2
10
B33
11
A33
12
VCC_2
13
B34
14
A34
15
GND_3
16
VSADJ
17
Y4
18
Z4
19
VCC_3
20
Y3
21
Z3
22
GND_4
23
Y2
24
Z2
25
VCC_4
26
Y1
27
Z1
28
GND_5
29
SCL_SINK
30
SDA_SINK
31
HPD_SINK
32
S1
33
S2
34
EQ
35
HPD1
36
SDA1
37
SCL1
38
B11
39
A11
40
VCC_5
41
B12
42
A12
43
GND_6
44
B13
45
A13
46
VCC_6
47
B14
48
A14
49
VDD
50
HPD2
51
SDA2
52
SCL2
53
B21
54
A21
55
VCC_7
56
B22
57
A22
58
GND_7
59
B23
60
A23
61
VCC_8
62
B24
63
A24
64
HPD3
L600
BLM18PG121SN1D
+3.3V
R624
4.7K
1/10W
1%
D2+_HDMI_SW
D2-_HDMI_SW
D1+_HDMI_SW
D1-_HDMI_SW
D0+_HDMI_SW
D0-_HDMI_SW
CK+_HDMI_SW
CK-_HDMI_SW
DDC_SCL_SW
SEL1_HDMI_SW
SEL2_HDMI_SW
+3.3V_HDMI
DDC_SDA_SW
DDC_SCL_3
D0-_HDMI3
D1-_HDMI3
CK+_HDMI3
D1+_HDMI3
D0+_HDMI3
D2+_HDMI3
CK-_HDMI3
DDC_SDA_3
D2-_HDMI3
D1+_HDMI2
D0-_HDMI2
D1-_HDMI2
D2+_HDMI2
D0+_HDMI2
CK+_HDMI2
DDC_SDA_2
DDC_SCL_2
D2-_HDMI2
CK-_HDMI2
D0+_HDMI1
DDC_SCL_1
D1-_HDMI1
CK+_HDMI1
DDC_SDA_1
D0-_HDMI1
D2-_HDMI1
CK-_HDMI1
D2+_HDMI1
D1+_HDMI1
D605
30V
MMBD301LT1G
+5V_HDMI_SW
IC603-*1
BU16027KV
BU16027KV
1
SDA3
2
SCL3
3
GND_1
4
B31
5
A31
6
VCC_1
7
B32
8
A32
9
GND_2
10
B33
11
A33
12
VCC_2
13
B34
14
A34
15
GND_3
16
VSADJ
17
Y4
18
Z4
19
VCC_3
20
Y3
21
Z3
22
GND_4
23
Y2
24
Z2
25
VCC_4
26
Y1
27
Z1
28
GND_5
29
SCL_SILK
30
SDA_SILK
31
HPD_SILK
32
S1
33
S2
34
RESERVE1
35
HPD1
36
SDA1
37
SCL1
38
B11
39
A11
40
VCC_5
41
B12
42
A12
43
GND_6
44
B13
45
A13
46
VCC_6
47
B14
48
A14
49
RESERVE2
50
HPD2
51
SDA2
52
SCL2
53
B21
54
A21
55
VCC_7
56
B22
57
A22
58
GND_7
59
B23
60
A23
61
VCC_8
62
B24
63
A24
64
HPD3
IC600
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC602
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC601
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC604
CAT24C02WI-GT3
HDMI3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R623
0
R621
0
R642
0
R619
0
R622
0
R640
0
R641
0
HDMI3
R648
0
HDMI3
R620
0
R618
0
R647
0
HDMI3
R645
0
R607
0
R639
0
HDMI3
R609
0
R605
0
C615 0.1uF
HDMI3
C603
0.1uF
C607 0.1uF
C604 0.1uF
C600
0.1uF
16V
C602
0.1uF
16V
C606
0.1uF
16V
HDMI3
C601
0.1uF
16V
C612 0.1uF
C611 0.1uF
C609 0.1uF
C608 0.1uF
C613 0.1uF
C610 0.1uF
C614 0.1uF
C616
0.1uF
R617
10K
R616
10K
R634
10K
HDMI3
R615
10K
R614
1K
R635
1K
HDMI3
R612
1K
R613
1K
R611
22
R637
22
HDMI3
R610
22
R603
22
R604
22
R638
22
HDMI3
R636
2K
HDMI3
R602
2K
R601
2K
R600
2K
R650
4.7K
4.7K
OPT
HDMI_CEC
+3.3V_ST
R625
0
D603
MMBD301LT1G
30V
R631
OPT
GND
R627
120K
C605
0.1uF
16V
OPT
CEC_REMOTE
Q600
SSM6N15FU
OPT
3
DRAIN2
2
GATE1
1
SOURCE1
4
SOURCE2
5
GATE2
6
DRAIN1
R632
0
OPT
HDMI_EQ_SEL
R633
4.7K
+3.3V
L601
BLM18PG121SN1D
+3.3V_HDMI
C617
0.1uF
R651
4.7K
R652
4.7K
R653
10K
R654
10K
R655
10K
HDMI3
R656
10K
+3.3V_HDMI
R608
22
R606
22
JK603
EAG39789402
HDMI3
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
12
13
14
15
16
17
18
19
20
21
22
JK600
EAG39789402
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
12
13
14
15
16
17
18
19
20
21
22
JK601
EAG39789402
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
12
13
14
15
16
17
18
19
20
21
22
R662
4.7K
4.7K
OPT
R661
4.7K
4.7K
OPT
+3.3V_HDMI
R667
10K
OPT
R663
1K
OPT
+3.3V_HDMI
+3.3V_HDMI
R668
10K
OPT
R665
1K
OPT
R664
1K
OPT
R669
1K
OPT
+3.3V_HDMI
R666
10K
OPT
+3.3V_HDMI
R670
10K
OPT
R644
4.7K
HDMI3
R628 4.7K
R630
4.7K
R643 4.7K
HDMI3
R649
4.7K
R626
4.7K
R646
4.7K
R629
4.7K
R657
0
OPT
R658
0
OPT
R660
0
OPT
R659
0
OPT
UI_HW_PORT4
UI_HW_PORT1
UI_HW_PORT2
EAX60737402
6 13
HDMI
2009. 1.15.
SIDE HDMI
$0.26
UI_HW_PORT3
UI_HW_PORT1
UI_HW_PORT2
UI_HW_PORT3
HDMI EEPROM
L
L
DDC1, HPD1
Unselected, HPD ALL
H
L
H
H
SEL1
L
DDC3, HPD3
I/O Selected
SEL2
H
DDC2, HPD2
L: HDMI1.3 Compliant Cable
H: 10m 28 AWG Cable
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.
0.1uF
C729
50V
0.1uF
C749
50V
0.1uF
C735
50V
SPK_R+
AB11
R734
3.3
C732
22000pF
50V
C746 0.47uF 50V
SPK_R-
AB12
MS_LRCK
2:X21
0.01uF
C758
50V
R736
3.3
0.1uF
C728
50V
0.01uF
C756
50V
R730
4.7K
0.01uF
C720
50V
0.1uF
C733
50V
0.01uF
C757
50V
L704
DA-8580
EAP38319001
2S
1S
1F
2F
SDA_SUB/AMP
1:L22;11:AG10
SPK_L-
AB11
0.1uF
C750
50V
R737
3.3
R732
4.7K
MS_LRCH
2:X21
SPK_L+
AB10
MS_SCK
2:X21
AUDIO_MASTER_CLK
2:X21
0.1uF
C734
50V
C731
22000pF 50V
+1.8V_AMP
C726 22000pF 50V
+1.8V_AMP
C745 0.47uF 50V
0.1uF
C752
50V
0.1uF
C751
50V
AMP_RST
1:AA21
L705
DA-8580
EAP38319001
2S
1S
1F
2F
0.01uF
C755
50V
R735
3.3
SCL_SUB/AMP
1:L22;11:AG9
R733
4.7K
C716
22000pF
50V
R731
4.7K
+1.8V_AMP
SPK_R-
AE9
SPK_L-
AE5
SPK_L+
AE3
SPK_R+
AE7
P700
WAFER-ANGLE
1
2
3
4
+3.3V
Q701
2SC3052
E
B
C
+3.3V_ST
SB_MUTE
1:AA19;G25;9:AI24;9:AI25
NTP_MUTE
1:AA22
D709
ENKMC2838-T112
A1
C
A2
R722
100
R720
100
R721
100
D704
100V
1N4148W
OPT
D705
100V
1N4148W
OPT
D706
100V
1N4148W
OPT
D707
100V
1N4148W
OPT
L700
BLM18PG121SN1D
L701
BLM18PG121SN1D
C712
33pF
50V
C714
33pF
50V
R710
100
R709
100
R726
12
R727
12
R725
12
R728
12
R716
12
R705
12
R713
12
R719
12
R740
0
R703
0
0.1uF
C706
16V
0.1uF
C709
C702 0.1uF
16V
0.1uF
C715
16V
R704
100
C743 1000pF 50V
C707 1000pF
50V
C708 1000pF 50V
C744 1000pF 50V
C741 1000pF 50V
C742 1000pF 50V
C705
100pF
50V
R729
10K
R724 10K
R708
3.3K
R717
33K
OPT
IC701
NTP-3100L
EAN60664001
1
BST1A
2
VDR1A
3
RESET
4
AD
5
DVSS_1
6
VSS_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LFM
12
AVDD_PLL
13
DVDD_PLL
14
TEST0
15
DVSS_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR_0
23
MONITOR_1
24
MONITOR_2
25
FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
C725
10uF
35V
C736
10uF
35V
L707
120-ohm
L708
120-ohm
L706
120-ohm
L709
120-ohm
AMP_VCC
AMP_VCC
C713
0.1uF16V
C724 0.1uF 16V
C730
0.1uF
16V
C727 0.1uF 16V
C760
1uF
10V
R718
100
C721
0.1uF
16V
C704 1uF 10V
C700 1uF 10V
SPEAKER_L
SPEAKER_R
7 13
AMP
2A => 5A
MCLK SDATA WCK BCK TP is necessory
EAX60737402
2009. 1.15.
Click on the first or last page to see other 55LH45YD (CHASSIS:LC91B) service manuals if exist.