Read LG 42LK457C (CHASSIS:LB0EC) 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.
2.7K
R888
DDC_SCL_2
5V_DET_HDMI_4
0 . 1 u F
C807
D804
OPT
DDC_SDA_1
10K
R862
D1+_HDMI2
HDMI_CEC
10K
R871
HDMI_SIDE_EEPROM
D0-_HDMI1
GND
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
J P 8 0 5
2SC3052
Q801
E
B
C
22
R878
CK-_HDMI4
22
R875
22
R881
68K
R854
OPT
D0+_HDMI2
0
R815
R1EX24002ASAS0A
IC804-*1
HDMI_SIDE_RENESAS
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
5V_HDMI_1
2.7K
R889
+5V_Normal
D2-_HDMI2
HPD4
10K
R828
CK+_HDMI1
D0+_HDMI4
1K
R896
0
OPT
R805
2SC3052
Q803
E
B
C
2.7K
R884
1.8K
R803
HPD2
OPT
D811
D801
OPT
5V_DET_HDMI_2
D802
OPT
2.7K
R885
ENKMC2838-T112
D824
D824
A1
C
A2
HDMI_CEC
22
R876
1.8K
R837
DDC_SCL_4
HDMI_CEC
AT24C02BN-SH-T
IC804
HDMI_SIDE_ATMEL
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
ENKMC2838-T112
D821
D821
A1
C
A2
DDC_SDA_2
DDC_SCL_4
EAG62611201
HDMI_SIDE
JK803
14
13
5
D1_GND
20
BODY_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
D0+_HDMI1
10K
R808
DDC_SDA_1
J P 8 1 0
AT24C02BN-SH-T
IC802
HDMI_2_ATMEL
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
1.8K
R804
+5V_Normal
R1EX24002ASAS0A
IC801-*1
HDMI_1_RENESAS
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
22
R877
10K
R874
HDMI_1_EEPROM
D2+_HDMI4
CK-_HDMI2
0 . 1 u F
C806
EDID_WP
EDID_WP
10K
R806
D1-_HDMI2
DDC_SCL_1
ENKMC2838-T112
D822
D822
A1
C
A2
DDC_SDA_2
CK+_HDMI4
J P 8 0 6
AT24C02BN-SH-T
IC801
HDMI_1_ATMEL
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
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
CK+_HDMI2
SI1012CR-T1-GE3
Q806
OPT
S
D
G
0 . 1 u F
16V
16V
C805
OPT
2.7K
R887
5V_DET_HDMI_1
R1EX24002ASAS0A
IC802-*1
HDMI_2_RENESAS
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
GND
10K
R830
D0-_HDMI2
DDC_SCL_1
22
R882
5V_HDMI_2
CK-_HDMI1
J P 8 1 2
+5V_Normal
0 . 1 u F
16V
16V
C802
D1-_HDMI1
DDC_SDA_4
AVRL161A1R1NT
OPT
D803
0
R841
1K
R897
68K
OPT
OPT
R857
10K
R807
1K
R895
2SC3052
Q802
E
B
C
D1+_HDMI4
3.3K
R835
DDC_SCL_2
10K
R873
HDMI_2_EEPROM
0 . 1 u F
16V
16V
C803
5V_HDMI_4
HDMI_ARC
D2-_HDMI4
HDMI_CEC
EDID_WP
0 . 1 u F
C809
D2+_HDMI2
5V_HDMI_2
D0-_HDMI4
+3.5V_ST
10K
R856
OPT
D1-_HDMI4
D2+_HDMI1
D2-_HDMI1
3.3K
R802
2.7K
R891
5V_HDMI_4
DDC_SDA_4
CEC_REMOTE_S7
3.3K
R801
HPD1
0 . 1 u F
16V
16V
C801
5V_HDMI_1
D1+_HDMI1
0
R824
100
R855
20110324
GP3_S7LR
HDMI
8
HDMI_1
$0.055
HDMI EEPROM
HDMI_2
$0.055
For CEC
SIDE_HDMI
$0.055
Click on the first or last page to see other 42LK457C (CHASSIS:LB0EC) service manuals if exist.