Read LG 42LD455B / 42LD455H (CHASSIS:LC01W) 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.
DDC_SCL_3
0
R845
0
R831
AT24C02BN-10SU-1.8
IC801
HDMI_1
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
0
R842
DDC_SCL_3
0
R822
4.7K
R885
5V_HDMI_1
J P 8 0 1
CK+_HDMI2
2SC3052
Q802
E
B
C
0
R817
CK+_HDMI3
D1-_HDMI4
D801
DDC_SCL_4
D1+_HDMI2
D2+_HDMI1
HPD3
5V_HDMI_1
2SC3052
Q803
E
B
C
HDMI_CEC
100
R841
0
R834
DDC_SCL_1
1K
R895
1K
R897
D1-_HDMI3
10K
R873
0 . 1 u F
16V
16V
C801
J P 8 0 5
5V_HDMI_3
0
R810
100
R824
0
R807
22
R805
DDC_SCL_1
4.7K
R886
2SC3052
Q804
E
B
C
D0-_HDMI3
1.8K
R838
HPD4
D2+_HDMI2
DDC_SDA_3
J P 8 0 8
D0+_HDMI2
AT24C02BN-10SU-1.8
IC803
HDMI_3
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
0
R848
DDC_SDA_4
0
R827
3.3K
R801
0
R844
J P 8 0 7
D2-_HDMI2
5V_HDMI_2
5V_DET_HDMI_1
D0-_HDMI4
22
R877
J P 8 1 2
22
R879
DDC_SCL_2
1K
R896
HPD1
4.7K
R888
0 . 1 u F
C807
0
R847
D811
0
R823
CK-_HDMI2
D1+_HDMI3
D2-_HDMI1
AT24C02BN-10SU-1.8
IC802
HDMI_2
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D2-_HDMI3
D0+_HDMI1
10K
R872
+5V_Normal
D1-_HDMI2
2SC3052
Q801
E
B
C
ENKMC2838-T112
D822
D822
A1
C
A2
0
R832
EDID_WP
D0-_HDMI2
DDC_SDA_4
22
R875
0 . 1 u F
C809
DDC_SDA_2
22
R880
0
R843
1.8K
R837
0
R816
D2-_HDMI4
5V_HDMI_4
DDC_SDA_2
0 . 1 u F
C808
HPD2
EAG59023302
JK802
HDMI_1
14
13
5
D1_GND
20
SHIELD
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
J P 8 0 3
0
R811
4.7K
R889
HDMI_CEC
5V_HDMI_2
D1+_HDMI4
D802
0
R808
J P 8 0 6
D1+_HDMI1
4.7K
R890
5V_HDMI_4
10K
R862
CK-_HDMI4
D0+_HDMI4
ENKMC2838-T112
D823
D823
A1
C
A2
EDID_WP
22
R876
J P 8 0 9
3.3K
R802
0
R849
ENKMC2838-T112
D821
D821
A1
C
A2
CK+_HDMI4
D0+_HDMI3
0
R829
J P 8 1 1
+5V_Normal
22
R806
10K
R871
100
R860
0
R820
22
R878
AT24C02BN-10SU-1.8
IC804
HDMI_SIDE
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
0
R846
CK-_HDMI1
0 . 1 u F
16V
16V
C803
DDC_SCL_4
EAG59023302
JK804
HDMI_3
14
13
5
D1_GND
20
SHIELD
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
1.8K
R803
0
R819
0 . 1 u F
16V
16V
C802
0
R852
J P 8 0 4
EDID_WP
D0-_HDMI1
1K
R894
DDC_SDA_1
3.3K
R835
J P 8 1 0
3.3K
R836
0
R809
10K
R830
5V_DET_HDMI_3
D2+_HDMI3
J P 8 0 2
0
R818
D2+_HDMI4
HDMI_CEC
ENKMC2838-T112
D824
D824
A1
C
A2
+5V_Normal
22
R826
5V_DET_HDMI_2
EDID_WP
10K
R828
0
R814
5V_HDMI_3
CK-_HDMI3
D1-_HDMI1
0 . 1 u F
16V
16V
C804
0 . 1 u F
C806
0
R813
0
R833
1.8K
R804
HDMI_CEC
DDC_SDA_1
4.7K
R884
100
R815
0
R812
0
R821
EAG59023302
JK801
HDMI_2
14
13
5
D1_GND
20
SHIELD
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
D812
DDC_SCL_2
CK+_HDMI1
+5V_Normal
0
R850
5V_DET_HDMI_4
DDC_SDA_3
10K
R874
10K
R864
AVRL161A1R1NT
D826
OPT
GND
HDMI_CEC
CEC_REMOTE_NEC
0 . 1 u F
16V
16V
C810
GND
10K
R893
D825
0
OPT
R883
22
R825
22
R859
22
R851
22
R839
22
R840
22
R881
22
R882
4.7K
R887
4.7K
R891
EAG42463001
JK803
HDMI_SIDE
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
BSS83
Q805
S
B
D
G
68K
R892
+3.5V_ST
68K
R853
CEC_ON/OFF
GND
68K
R854
68K
OPT
OPT
R857
0
OPT
R855
0 . 1 u F
16V
16V
C805
AVRL161A1R1NT
OPT
D803
D804
10K
R856
GND
BSS83
Q806
S
B
D
G
+3.3V_Normal
0
R858
CEC_REMOTE_S7
HDMI
GP2_Saturn7M
V e r . 1 . 2
SIDE_HDMI
$0.055
$0.253
HDMI_1
HDMI_3
HDMI_2
$0.055
HDMI EEPROM
$0.253
$0.253
$0.055
$0.253
$0.055
For CEC
8
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