LG 42LH40ED / 42LH45ED (CHASSIS:LJ92J) Service Manual ▷ View online
Fi b e r Op t i c
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.
RGB_HSYNC
RGB_VSYNC
R747
22
C702
47pF
RGB_VS
11:K10
C703
47pF
D718
5.6V
ADMC5M03200L
C709
27pF
COMPOSITE2_IN
5:G4
JK400
KCN-DS-1-0088
1
2
3
4
5
6
7
8
9
10
RGB_L_IN
5:J4
C419
0.1uF
AV_L_IN_1
5:E2
AV_R_IN_1
5:E2
C708
27pF
JP723
C704
27pF
D712
30V
ADUC30S03010L
D705
30V
ADUC30S03010L
D703
30V
ADUC30S03010L
R765
22
+3.3V_ST
R720
0
R727
1K
C701
47pF
R729
1K
D706
5.6V
ADMC5M03200L
DDC_SDA
12:E4
JK701
KCN-DS-1-0089
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
D114
5.6V
ADMC5M03200L
JP719
JP743
D717
5.6V
ADMC5M03200L
C408
220pF
COMP_R_IN_2
5:H3
C109
0.1uF
B_VID_INCM
11:L18
D708
ENKMC2838-T112
A1
C
A2
C711
27pF
D102
5.6V
ADMC5M03200L
IC402
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
COMP1_VID_INCM
11:M17
COMPOSITE1_IN
5:E2
D108
5.6V
ADMC5M03200L
JK703
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
D702
30V
ADUC30S03010L
COMP_R_IN_1
5:H3
COMP2_Pb
11:M16
RGB_HS
11:K10
JP734
L705
270NH
BCM_SPDIF_OUT
11:W20
R111
34
RGB_R
11:M19
COMP1_Pr
11:M18
JP728
COMP2_VID_INCM
11:M16
JP408
C715
27pF
Q701
2SC3052
US_Commercial
E
B
C
COMP2_Y
11:M17
C403
0.1uF
+5.0V
COMP2_SW
9:H4
R716
1K
R726
10K
R706
4.7K
COMP_L_IN_1
5:H3
D113
5.6V
ADMC5M03200L
COMPOSITE1_SW
9:H5
D707
5.6V
ADMC5M03200L
R721
0
COMP1_SW
9:H4
D3.3V
C724
0.1uF
L708
120ohm
BG1608B121F
C710
27pF
D711
5.6V
ADMC5M03200L
JP706
C3416
0.33uF
R766
22
R704
220
D710
5.6V
ADMC5M03200L
JP500
D716
5.6V
ADMC5M03200L
Q702
2SC3052
OPT
E
B
C
R728
10K
C406
0.1uF
C409
220pF
C103
0.1uF
D116
5.6V
ADMC5M03200L
C720
0.1uF
L702
270NH
L709
BLM18PG121SN1D
R760
0
JP733
L701
270NH
JP729
RGB_B
11:M18
L706
120ohm
BG1608B121F
D704
30V
ADUC30S03010L
R_VID_INCM
11:L19
C726
100pF
JK704
PPJ218-01
5C
[
R
D]
CO
NT
A
C
T
2C
[
R
D]
U_
CA
N
4C
[R
D
]
O
_
SPR
I
N
G
2
B
[W
H]
U_
CA
N
3B
[W
H]
C_
L
U
G
2A
[Y
L
]
U
_
C
A
N
5A
[Y
L
]
C
O
N
T
A
C
T
4A
[Y
L
]
O
_
S
P
R
I
N
G
IC700
M24C02-RMN6T
3
E2
2
E1
4
VSS
1
E0
5
SDA
6
SCL
7
WC
8
VCC
C728
100pF
RGB_G
11:M19
+5.0V
D111
5.6V
ADMC5M03200L
C402
0.1uF
COMPOSITE2_SW
9:H6
D701
30V
ADUC30S03010L
R770
4.7K
JP502
DDC_SCL
12:E5
R771
0
JK702
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX
_P
O L
E
D3.3V
R110
34
R708
100
OPT
IR
12:D4;14:U23
R772
10K
OPT1/16W 5%
JK700
PPJ227-01
9N
[GN]E-LUG
5K
[GN]O-SPRING-L
6K
[GN]CONTACT-L
4E
[GN]O-SPRING-S
3E
[GN]CONTACT-S
9M
[BL]E-LUG
7J
[BL]C-LUG-L
8D
[BL]C-LUG-S
9L
[YL]E-LUG
4L
[YL]O-SPRING-S
3L
[YL]CONTACT-S
7H
[RD]C-LUG-L
8C
[RD]C-LUG-S
9G
[WH]E-LUG
8M
[WH]C-LUG-S_1
7G
[WH]C-LUG-L
8B
[WH]C-LUG-S_2
9F
[RD]E-LUG
4N
[RD]O-SPRING-S_1
3N
[RD]CONTACT-S_1
5F
[RD]O-SPRING-L
6F
[RD]CONTACT-L
4A
[RD]O-SPRING-S_2
3A
[RD]CONTACT-S_2
D3.3V
C106
0.1uF
C712
27pF
C721
47pF
+5.0V_ST
R701
100K
US_Commercial
C407
0.1uF
COMP1_Pb
11:M18
L703
270NH
JP716
JP715
JP711
C108
0.1uF
C705
27pF
C107
0.1uF
R717
100
R724
10K
C706
27pF
R707
4.7K
C723
100pF
R106
34
R718
100
R725
1K
D709
5.6V
ADMC5M03200L
RS232C_TxD
14:X7
AV_L_IN_2
5:J4
D3.3V
D115
5.6V
ADMC5M03200L
D104
5.6V
ADMC5M03200L
/W_PROTECT
12:J4
C722
47pF
50V
R123
34
R144
34
C707
27pF
G_VID_INCM
11:L18
L704
270NH
AV_R_IN_2
5:J4
C729
4700pF
COMP_L_IN_2
5:H3
D3.3V
R759
10K
COMP1_Y
11:M18
R709
100
OPT
+5.0V_ST
C700
0.1uF
0.1uF
R703
3.3K
US_Commercial
R705
220
C727
100pF
R769
4.7K
C713
27pF
C717
47pF
C714
27pF
RS232C_RxD
14:X8
+5.0V_ST
R731
1K
D713
30V
ADUC30S03010L
C725
100pF
R722
10K
D3.3V
L707
120ohm
BG1608B121F
R702
100K
US_Commercial
C716
47pF
JP721
R755
10K
R
751
22
JP718
RGB_R_IN
5:J4
D112
5.6V
ADMC5M03200L
D714
30V
ADUC30S03010L
R719
0
JP501
R730
10K
R723
1K
R773
3.3K
OPT
COMP2_Pr
11:M17
RGB_SW
9:H6
L706-*1
0
RGB_0OHM
L707-*1
0
RGB_0OHM
L708-*1
0
RGB_0OHM
R751-*1
1K
RGB_HV_1K
R747-*1
1K
RGB_HV_1K
IC701
74F08D
3
Q0
2
D0B
4
D1A
1
D0A
6
Q1
5
D1B
7
GND
8
Q2
9
D2A
10
D2B
11
Q3
12
D3A
13
D3B
14
VCC
R774
15
R775
15
R776
15
R777
15
R778
15
R779
15
L700
270NH
D109
5.5V
ADLC 5S 03 015
D110
5.5V
ADLC 5S 03 015
D715
5.5V
ADLC 5S 03 015
D103
5.5V
ADLC 5S 03 015
D101
5.5V
ADLC 5S 03 015
D107
5.5V
ADLC 5S 03 015
D106
5.5V
ADLC 5S 03 015
D105
5.5V
ADLC 5S 03 015
R732
0
R733
0
OPT
R734
0
R,G,B PC INPUT
TxD
RxD
AV
COMPONENT1/2,AV1
COMPONENT1
COMPONENT2
RS-232C
SIDE_AV
INCM
PC AUDIO
SPDIF OPTIC JACK
Place this INCM
near connector
Run along
G, B, R traces
Run along
Y, PB, Pr traces
SCHEMATIC DIAGRAM
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.
DDC_SCL_1
CK+_HDMI4
AG19
D1+_HDMI4
AF19
D601
MMBD301LT1G
CEC_REMOTE
H8;H17;R26;AL11
D0-_HDMI1
JP604
D2+_HDMI1
Y10
R657
47K
R669
0
L602
BLM18PG121SN1D
D1-_HDMI1
Y11
D0-_HDMI1
Y12
HPD4
D2+_HDMI4
AE19
R607
0
JP601
DDC_SCL_4
R653
47K
DDC_SCL_2
R17;AL12
HDMI_SCL
C629
0.1uF
C620
0.1uF
R666
68K
R658
0
5V_HDMI_1
L19;Z14
HPD4
AH19
D1-_HDMI4
D1-_HDMI1
HPD1
Y13
R656
47K
D0-_HDMI2
AL13
DDC_SDA_1
D0+_HDMI1
Y11
D0-_HDMI4
AF19
R662
1.8K
DDC_SDA_4
HDMI0_RX1-_BCM11:W16
C622
0.1uF
D0+_HDMI4
AF19
JK500
QJ41193-CFEE1-7F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
+1.8V_HDMI
5V_HDMI_1
R665
0
C611
0.1uF
DDC_SCL_2
DDC_SDA_2
R18;AL12
R618
0
C608
0.1uF
D1-_HDMI2
AL13
R606
0
C624
0.1uF
C626
0.1uF
GND
C623
0.1uF
DDC_SDA_1
C616
0.1uF
D1+_HDMI2
AL13
5V_HDMI_4
D2+_HDMI2
D0-_HDMI2
+3.3V_ST
JK501
QJ41193-CFEE1-7F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
JP606
HPD2
DDC_SDA_4
R14;AG19
SDA2_3.3V
9:B5;9:I4;14:C6;3:B4
GND
C621
0.1uF
R661
1.8K
R674
OPT
4.7K
D1+_HDMI2
L601
BLM18PG121SN1D
R677
0
DDC_SCL_4
R667
9.1K
CK+_HDMI2
AL12
Q601
SSM6N15FU
3
DRAIN2
2
GATE1
1
SOURCE1
4
SOURCE2
5
GATE2
6
DRAIN1
HDMI0_RX0+_BCM11:W17
CEC_REMOTE
R616
0
HDMI0_RX2+_BCM11:W16
R639
0
C606
0.1uF
R642
0
R635
47K
CEC_REMOTE
H17;R26;W27;AL11
JP605
HPD2
AL11
R675
OPT
0
GND
CK+_HDMI2
CK-_HDMI1
Y12
HDMI0_RX2-_BCM11:W16
C610
0.1uF
D2-_HDMI2
AL14
CK+_HDMI4
R671
0
R673
OPT
4.7K
DDC_SCL_4
R13;AG19
R634
47K
C613
0.1uF
HDMI0_RXC+_BCM 11:W17
R676
12K
+5.0V
R663
0
CK-_HDMI1
C628
0.1uF
DDC_SDA_1
M18;X13
C612
0.1uF
C607
0.1uF
5V_HDMI_2
DDC_SDA_2
CK-_HDMI4
CK+_HDMI1
D2-_HDMI4
C619
0.1uF
IC601
TDA9996HL
1
VSS_1
2
OUT_C+
3
OUT_C-
4
VDDO[3V3]
5
OUT_DDC_CLK
6
OUT_DDC_DAT
7
VSS_2
8
VDDC[1V8]_1
9
RXA_HPD
10
RXA_5V
11
RXA_DDC_DAT
12
RXA_DDC_CLK
13
RXA_C-
14
RXA_C+
15
VDDH[3V3]_1
16
RXA_D0-
17
RXA_D0+
18
VSS_3
19
RXA_D1-
20
RXA_D1+
21
VDDH[3V3]_2
22
RXA_D2-
23
RXA_D2+
24
VDDH[1V8]_1
25
NC
26
VSS_4
27
TEST
28
RXB_HPD
29
RXB_5V
30
RXB_DDC_DAT
31
RXB_DDC_CLK
32
RXB_C-
33
RXB_C+
34
VDDH[3V3]_3
35
RXB_D0-
36
RXB_D0+
37
VSS_5
38
RXB_D1-
39
RXB_D1+
40
VDDH[3V3]_4
41
RXB_D2-
42
RXB_D2+
43
VSS_6
44
CDEC_DDC
45
VDDC[1V8]_2
46
VDDC[3V3]
47
MODE
48
PD
49
SDA/SEL1
50
SCL/SEL0
51
XTAL_IN
52
XTAL_OUT
53
INT/HP_CTRL
54
CDEC_STBY
55
VDDS[3V3]
56
VSS_7
57
CEC
58
RXC_HPD
59
RXC_5V
60
RXC_DDCC_DAT
61
RXC_DDC_CLK
62
RXC_C-
63
RXC_C+
64
VDDH[3V3]_5
65
RXC_D0-
66
RXC_D0+
67
VSS_8
68
RXC_D1-
69
RXC_D1+
70
VDDH[3V3]_6
71
RXC_D2-
72
RXC_D2+
73
VSS_9
74
R12K
75
VDDH[1V8]_2
76
RXD_HPD
77
RXD_5V
78
RXD_DDC_DAT
79
RXD_DDC_CLK
80
RXD_DC-
81
RXD_DC+
82
VDDH[3V3]_7
83
RXD_D0-
84
RXD_D0+
85
VSS_10
86
RXD_D1-
87
RXD_D1+
88
VDDH[3V3]_8
89
RXD_D2-
90
RXD_D2+
91
VDDC[1V8]_3
92
VSS_11
93
OUT_D2+
94
OUT_D2-
95
VDDO[1V8]
96
OUT_D1+
97
OUT_D1-
98
VSS_12
99
OUT_D0+
100
OUT_D0-
+1.8V_HDMI
D3.3V
D0+_HDMI2
D0+_HDMI1
DDC_SCL_1
M17;X12
CEC_REMOTE
H8;H17;W27;AL11
HDMI_SDA
D1-_HDMI4
AF19
R641
0
CK-_HDMI2
HDMI0_RXC-_BCM11:W17
D0+_HDMI4
+1.8V_AMP
R655
47K
CK-_HDMI2
AL12
5V_HDMI_2
P19;AJ15
D2-_HDMI4
AE19
DDC_SCL_1
HDMI0_RX1+_BCM11:W16
R678
0
OPT
R643
0
JK503
KJA-ET-0-0032
14
NC
13
CEC
5
DATA1_SHIELD
20
JACK_GND
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
R627
0
D2+_HDMI2
AL14
+3.3V_HDMI
D0+_HDMI2
AL13
5V_HDMI_4
Q16;AH18
D1+_HDMI1
Y11
HDMI0_RX0-_BCM11:W17
D1-_HDMI2
D2-_HDMI1
Y10
JP602
C625
0.1uF
C614
0.1uF
5V_HDMI_4
GND
C627
0.1uF
DDC_SDA_4
DDC_SDA_2
CK+_HDMI1
Y12
VR607
AVRL161A1R1NT
JP603
CK-_HDMI4
AG19
R672
OPT
4.7K
DDC_SCL_2
5V_HDMI_2
+5.0V
GND
5V_HDMI_1
D2+_HDMI4
CEC_REMOTE
H8;R26;W27;AL11
R670
0
+3.3V_HDMI
R617
0
R664
0
OPT
D0-_HDMI4
C617
0.1uF
C605
0.1uF
HDMI_CEC
12:F6
SCL2_3.3V
9:B5;9:I4;14:C5;3:B4
C604
0.1uF
R605
0
R668
0
HPD1
D2+_HDMI1
+3.3V_HDMI
D2-_HDMI2
+1.8V_HDMI
D1+_HDMI1
D2-_HDMI1
C615
0.1uF
C609
0.1uF
R628
0
D1+_HDMI4
C618
5.6nF
UI_HW_PORT2
Net Labels changed for HDMI2
in case HDMI Switch doesn’t support ’ESD protection’
EDID Pull-up
* HDMI CEC
SIDE_HDMI_PORT4
UI_HW_PORT1
VARISTORS(VR500/501/502/503/504/505/506/507) on lines-HPD1/2/3/4 are all options
HDMI S/W For MSTAR Platform
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
C875
16V
OPT
BCMPWM_VBR_B
R859
0
R804
15K
1%
R820
10K
+5.0V_ST
R813
4.7K
1%
R846
1K
ENG
R847
4.7K
L816
BG2012B121F
C839
1uF
C866
10uF
R843
12K
1%
Q804
Si4800BDY
3
S3
2
S2
4
G
1
S1
5
D5
6
D6
7
D7
8
D8
R824
1.2K
C835
0.01uF
C883
22uF
16V
C862
3.3nF
C821
470pF
+5.0V_TU
+12.0V
L810
2.2uH
D801
1N4148W
100V
+12.0V
C879
0.1uF
16V
OPT
Q800
Si4800BDY
OPT
3
S3
2
S2
4
G
1
S1
5
D5
6
D6
7
D7
8
D8
C838
1uF
R860
0
OPC_EN
A2.5V
RL_ON
IC804
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
C806
220pF
Q801
Si4800BDY
OPT
3
S3
2
S2
4
G
1
S1
5
D5
6
D6
7
D7
8
D8
IC801
SC2621ASTRT
3
COMP
2
OCS
4
FB
1
BST
6
LDFB
5
LDOG
7
GND_1
8
VCC
9
NC
10
DRV
11
DL
12
GND_2
13
PN
14
DH
INV_ON/OFF
IC800
SC2621ASTRT
3
COMP
2
OCS
4
FB
1
BST
6
LDFB
5
LDOG
7
GND_1
8
VCC
9
NC
10
DRV
11
DL
12
GND_2
13
PN
14
DH
R823
1.1K
R800
11K
5%
OPT
R812
20K
1%
C837
0.1uF
A1.2V
D804
SAM2333
ENG
A2[GN]
C
A1[RD]
R814
2K
1%
R825
300
C827
470pF
A3.3V
C811
1uF
6.8K
R806
D1.2V
ERROR_OUT
BCMPWM_VBR_A
Q808
2SC3052
E
B
C
C841
10uF
16V
R805
1.8K
+5.0V
C876
0.1uF
50
V
OPT
C884
1uF
35V
R836
0
R863
120K
OPT
C808
1uF
C826
10uF
16V
L808
CB4532UK121E
L813
BG2012B121F
OPT
+5.0V
C807
2200pF
R849
6.8K
OPT
+12.0V
+20.0V
R845
100
ENG
D803
1N4148W
100V
C845
10uF
D3.3V
D3.3V
C870
0.1uF
C825
10uF
6.3V
C802
2200pF
C812
1uF
R841
18K
1%
C873
1uF
25V
R802
10K
1%
OPT
R826
10K
R861
0
OPC_NON
C842
10uF
16V
D805
SAM2333
ENG
A2[GN]
C
A1[RD]
3.3K
R807
R842
15K
1%
C822
470pF
R819
1.5K
1%
R856
1K
OPT
D2.6V
C813
1uF
25V
R835
0
R838
5.6K
1%
IC803
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
R840
39K
1%
C871
22uF
16V
C877
15pF
50V
D3.3V
C823
6800pF
C810
1uF
IC805
AS7809DTRE1
2
GND
3
OUTPUT
1
INPUT
C820
3.3nF
L811
BG2012B121F
OPT
C869 33uF
R801
2.7K
1%
OPT
C833
0.01uF
+12.0V
D2.5V
D1.8V
+12.0V
D3.3V
D3.3V
Q807
2SC3875S(ALY)
OPT
E
B
C
C819
3.3nF
OPC_OUT
IC802
SC2621ASTRT
3
COMP
2
OCS
4
FB
1
BST
6
LDFB
5
LDOG
7
GND_1
8
VCC
9
NC
10
DRV
11
DL
12
GND_2
13
PN
14
DH
R862
10K
OPT
C868
0.01uF
C809
1uF
C872
0.1uF
50V
C863
470pF
+12.0V
R839
1K
1%
+9.0V
3.3K
R827
C880
220uF
16V
R803
1.1K
5%
OPT
C867
100uF
C803
0.068uF
+5.0V_ST
C881
1uF
25V
OPT
R850
0
OPT
C857
1uF
L801
2.2uH
R848
100
L802
2.2uH
C878
0.1uF
50V
D800
1N4148W
100V
R844
620
IC807
SI4804BDY
@optio
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
IC808
SI4804BDY
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
IC809
SI4804BDY
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
R852
3.3K
R855
OPT
10K
R822
10K
+3.3V_ST
R834
0
Q802
2SC3875S(ALY)
OPT
E
B
C
R830
10K
OPT
R857
10K
OPT
+3.3V_ST
R908
22K
R909
22K
Q900
2SC3052
E
B
C
+12.0V
GND
R903
47K
R906
10K
OPT
C903
100uF
GND
Q901
SI4925BDY
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
Q902
2SC3052
E
B
C
+12.0V_LCD
L902
CB3216PA501E
R907
10K
GND
GND
R932
47K
LVDS_PANEL_CTRL
12:I5
+5.0V
+5.0V_ST
+5.0V_ST
R815
200
1%
P800
FW20020-24S
19
NC
14
12V
9
5.2V
4
GND
18
20V
13
12V
8
5.2V
3
GND
17
20V
12
GND
7
5.2V
2
PWR ON
16
GND
11
GND
6
GND
1
NC
20
INV ON
15
GND
10
5.2V
5
GND
21
A.DIM
22
Err Out
23
NC
24
PWM DIM
C911
4.7uF
OPT
R828
330K
1/10W
R808
390K
1/10W
R809
150K
1/10W
C861
0.1uF
C816
0.1uF
C817
0.1uF
C864 33uF 10V
C840 33uF 10V
C858 33uF 10V
C859 33uF 10V
C865 33uF 10V
C831
100uF
20V
SANYO
L818
0
L826
0
L819
0
C843
10uF
6.3V
C850
10uF
6.3V
C851
10uF
6.3V
C844
10uF
6.3V
C846
10uF
6.3V
C815
10uF
C814
22uF
C860
10uF
C805
10uF
10V
OPT
C801
10uF
10V
OPT
C818
10uF
10V
C824
10uF
10V
C848
10uF
C847
10uF
C849
1uF
25V
0
R853
C800
10uF
OPT
C804
10uF
OPT
C902
1uF
Q806
RT1P141C-T112
E
B
C
R851
33K
OPT
R854
33K
C853
0.1uF
C855
0.1uF
C836
10uF
6.3V
C829
330uF
4V
SANYO
C832
1uF
25V
C834
1uF
25V
JP1314
JP1315
JP1316
JP1317
JP1318
JP1319
JP1320
JP1321
JP1322
L807
CB4532UK121E
L804
CB4532UK121E
C882
330uF
35V
C874
330uF
35V
C886
1uF
25V
OPT
R811
1
R837
1
R810
1
L803
MLB-201209-0120P-N2
L805
MLB-201209-0120P-N2
L806
MLB-201209-0120P-N2
L809
MLB-201209-0120P-N2
L812
MLB-201209-0120P-N2
OPT
L814
MLB-201209-0120P-N2
OPT
L815
MLB-201209-0120P-N2
L817
MLB-201209-0120P-N2
L820
MLB-201209-0120P-N2
L821
MLB-201209-0120P-N2
L823
MLB-201209-0120P-N2
L824
MLB-201209-0120P-N2
L825
MLB-201209-0120P-N2
L827
MLB-201209-0120P-N2
(For TUNER / BCM)
LDO BLOCK
(For TUNER 5V)
LDO BLOCK
(For ENC / ENC DDR)
LDO BLOCK
We have to decide whether IC803
use after D2.5V test
VOUT : 2.533V
We’ll change SI4804 to KEC’s Product
* FROM LIPS & POWER B/D -->Apply changed Pin Map
must be placed with pin#8,#10 as close as possible.
must be placed with pin#8,#10 as close as possible.
must be placed with pin#8,#10 as close as possible.
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
C875
16V
OPT
BCMPWM_VBR_B
R859
0
R804
15K
1%
R820
10K
+5.0V_ST
R813
4.7K
1%
R846
1K
ENG
R847
4.7K
L816
BG2012B121F
C839
1uF
C866
10uF
R843
12K
1%
Q804
Si4800BDY
3
S3
2
S2
4
G
1
S1
5
D5
6
D6
7
D7
8
D8
R824
1.2K
C835
0.01uF
C883
22uF
16V
C862
3.3nF
C821
470pF
+5.0V_TU
+12.0V
L810
2.2uH
D801
1N4148W
100V
+12.0V
C879
0.1uF
16V
OPT
Q800
Si4800BDY
OPT
3
S3
2
S2
4
G
1
S1
5
D5
6
D6
7
D7
8
D8
C838
1uF
R860
0
OPC_EN
A2.5V
RL_ON
IC804
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
C806
220pF
Q801
Si4800BDY
OPT
3
S3
2
S2
4
G
1
S1
5
D5
6
D6
7
D7
8
D8
IC801
SC2621ASTRT
3
COMP
2
OCS
4
FB
1
BST
6
LDFB
5
LDOG
7
GND_1
8
VCC
9
NC
10
DRV
11
DL
12
GND_2
13
PN
14
DH
INV_ON/OFF
IC800
SC2621ASTRT
3
COMP
2
OCS
4
FB
1
BST
6
LDFB
5
LDOG
7
GND_1
8
VCC
9
NC
10
DRV
11
DL
12
GND_2
13
PN
14
DH
R823
1.1K
R800
11K
5%
OPT
R812
20K
1%
C837
0.1uF
A1.2V
D804
SAM2333
ENG
A2[GN]
C
A1[RD]
R814
2K
1%
R825
300
C827
470pF
A3.3V
C811
1uF
6.8K
R806
D1.2V
ERROR_OUT
BCMPWM_VBR_A
Q808
2SC3052
E
B
C
C841
10uF
16V
R805
1.8K
+5.0V
C876
0.1uF
50
V
OPT
C884
1uF
35V
R836
0
R863
120K
OPT
C808
1uF
C826
10uF
16V
L808
CB4532UK121E
L813
BG2012B121F
OPT
+5.0V
C807
2200pF
R849
6.8K
OPT
+12.0V
+20.0V
R845
100
ENG
D803
1N4148W
100V
C845
10uF
D3.3V
D3.3V
C870
0.1uF
C825
10uF
6.3V
C802
2200pF
C812
1uF
R841
18K
1%
C873
1uF
25V
R802
10K
1%
OPT
R826
10K
R861
0
OPC_NON
C842
10uF
16V
D805
SAM2333
ENG
A2[GN]
C
A1[RD]
3.3K
R807
R842
15K
1%
C822
470pF
R819
1.5K
1%
R856
1K
OPT
D2.6V
C813
1uF
25V
R835
0
R838
5.6K
1%
IC803
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
R840
39K
1%
C871
22uF
16V
C877
15pF
50V
D3.3V
C823
6800pF
C810
1uF
IC805
AS7809DTRE1
2
GND
3
OUTPUT
1
INPUT
C820
3.3nF
L811
BG2012B121F
OPT
C869 33uF
R801
2.7K
1%
OPT
C833
0.01uF
+12.0V
D2.5V
D1.8V
+12.0V
D3.3V
D3.3V
Q807
2SC3875S(ALY)
OPT
E
B
C
C819
3.3nF
OPC_OUT
IC802
SC2621ASTRT
3
COMP
2
OCS
4
FB
1
BST
6
LDFB
5
LDOG
7
GND_1
8
VCC
9
NC
10
DRV
11
DL
12
GND_2
13
PN
14
DH
R862
10K
OPT
C868
0.01uF
C809
1uF
C872
0.1uF
50V
C863
470pF
+12.0V
R839
1K
1%
+9.0V
3.3K
R827
C880
220uF
16V
R803
1.1K
5%
OPT
C867
100uF
C803
0.068uF
+5.0V_ST
C881
1uF
25V
OPT
R850
0
OPT
C857
1uF
L801
2.2uH
R848
100
L802
2.2uH
C878
0.1uF
50V
D800
1N4148W
100V
R844
620
IC807
SI4804BDY
@optio
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
IC808
SI4804BDY
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
IC809
SI4804BDY
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
R852
3.3K
R855
OPT
10K
R822
10K
+3.3V_ST
R834
0
Q802
2SC3875S(ALY)
OPT
E
B
C
R830
10K
OPT
R857
10K
OPT
+3.3V_ST
R908
22K
R909
22K
Q900
2SC3052
E
B
C
+12.0V
GND
R903
47K
R906
10K
OPT
C903
100uF
GND
Q901
SI4925BDY
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
Q902
2SC3052
E
B
C
+12.0V_LCD
L902
CB3216PA501E
R907
10K
GND
GND
R932
47K
LVDS_PANEL_CTRL
12:I5
+5.0V
+5.0V_ST
+5.0V_ST
R815
200
1%
P800
FW20020-24S
19
NC
14
12V
9
5.2V
4
GND
18
20V
13
12V
8
5.2V
3
GND
17
20V
12
GND
7
5.2V
2
PWR ON
16
GND
11
GND
6
GND
1
NC
20
INV ON
15
GND
10
5.2V
5
GND
21
A.DIM
22
Err Out
23
NC
24
PWM DIM
C911
4.7uF
OPT
R828
330K
1/10W
R808
390K
1/10W
R809
150K
1/10W
C861
0.1uF
C816
0.1uF
C817
0.1uF
C864 33uF 10V
C840 33uF 10V
C858 33uF 10V
C859 33uF 10V
C865 33uF 10V
C831
100uF
20V
SANYO
L818
0
L826
0
L819
0
C843
10uF
6.3V
C850
10uF
6.3V
C851
10uF
6.3V
C844
10uF
6.3V
C846
10uF
6.3V
C815
10uF
C814
22uF
C860
10uF
C805
10uF
10V
OPT
C801
10uF
10V
OPT
C818
10uF
10V
C824
10uF
10V
C848
10uF
C847
10uF
C849
1uF
25V
0
R853
C800
10uF
OPT
C804
10uF
OPT
C902
1uF
Q806
RT1P141C-T112
E
B
C
R851
33K
OPT
R854
33K
C853
0.1uF
C855
0.1uF
C836
10uF
6.3V
C829
330uF
4V
SANYO
C832
1uF
25V
C834
1uF
25V
JP1314
JP1315
JP1316
JP1317
JP1318
JP1319
JP1320
JP1321
JP1322
L807
CB4532UK121E
L804
CB4532UK121E
C882
330uF
35V
C874
330uF
35V
C886
1uF
25V
OPT
R811
1
R837
1
R810
1
L803
MLB-201209-0120P-N2
L805
MLB-201209-0120P-N2
L806
MLB-201209-0120P-N2
L809
MLB-201209-0120P-N2
L812
MLB-201209-0120P-N2
OPT
L814
MLB-201209-0120P-N2
OPT
L815
MLB-201209-0120P-N2
L817
MLB-201209-0120P-N2
L820
MLB-201209-0120P-N2
L821
MLB-201209-0120P-N2
L823
MLB-201209-0120P-N2
L824
MLB-201209-0120P-N2
L825
MLB-201209-0120P-N2
L827
MLB-201209-0120P-N2
(For TUNER / BCM)
LDO BLOCK
(For TUNER 5V)
LDO BLOCK
(For ENC / ENC DDR)
LDO BLOCK
We have to decide whether IC803
use after D2.5V test
VOUT : 2.533V
We
’
ll change SI4804 to KEC
’
s Product
* FROM LIPS & POWER B/D -->Apply changed Pin Map
must be placed with pin#8,#10 as close as possible.
must be placed with pin#8,#10 as close as possible.
must be placed with pin#8,#10 as close as possible.
Click on the first or last page to see other 42LH40ED / 42LH45ED (CHASSIS:LJ92J) service manuals if exist.