Read LG 47LD450 (CHASSIS:LA01B) 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
R845
0
R831
0
IC801
AT24C02BN-10SU-1.8
HDMI_1
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R842
0
DDC_SCL_3
R822
0
R885
4.7K
5V_HDMI_1
JP801
CK+_HDMI2
Q802
2SC3052
E
B
C
R817
0
CK+_HDMI3
D1-_HDMI4
D801
DDC_SCL_4
D1+_HDMI2
D2+_HDMI1
HPD3
5V_HDMI_1
Q803
2SC3052
E
B
C
HDMI_CEC
R841
100
R834
0
DDC_SCL_1
R895
1K
R897
1K
D1-_HDMI3
R873
10K
C801
0.1uF
16V
0.1uF
16V
JP805
5V_HDMI_3
R810
0
R824
100
R807
0
R805
22
DDC_SCL_1
R886
4.7K
Q804
2SC3052
E
B
C
D0-_HDMI3
R838
1.8K
HPD4
D2+_HDMI2
DDC_SDA_3
JP808
D0+_HDMI2
IC803
AT24C02BN-10SU-1.8
HDMI_3
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R848
0
DDC_SDA_4
R827
0
R801
3.3K
R844
0
JP807
D2-_HDMI2
5V_HDMI_2
5V_DET_HDMI_1
D0-_HDMI4
R877
22
JP812
R879
22
DDC_SCL_2
R896
1K
HPD1
R888
4.7K
C807
0.1uF
R847
0
D811
R823
0
CK-_HDMI2
D1+_HDMI3
D2-_HDMI1
IC802
AT24C02BN-10SU-1.8
HDMI_2
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D2-_HDMI3
D0+_HDMI1
R872
10K
+5V_Normal
D1-_HDMI2
Q801
2SC3052
E
B
C
D822
ENKMC2838-T112
A
1
C
A
2
R832
0
EDID_WP
D0-_HDMI2
DDC_SDA_4
R875
22
C809
0.1uF
DDC_SDA_2
R880
22
R843
0
R837
1.8K
R816
0
D2-_HDMI4
5V_HDMI_4
DDC_SDA_2
C808
0.1uF
HPD2
JK802
EAG59023302
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
JP803
R811
0
R889
4.7K
HDMI_CEC
5V_HDMI_2
D1+_HDMI4
D802
R808
0
JP806
D1+_HDMI1
R890
4.7K
5V_HDMI_4
R862
10K
CK-_HDMI4
D0+_HDMI4
D823
ENKMC2838-T112
A
1
C
A
2
EDID_WP
R876
22
JP809
R802
3.3K
R849
0
D821
ENKMC2838-T112
A
1
C
A
2
CK+_HDMI4
D0+_HDMI3
R829
0
JP811
+5V_Normal
R806
22
R871
10K
R860
100
R820
0
R878
22
IC804
AT24C02BN-10SU-1.8
HDMI_SIDE
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R846
0
CK-_HDMI1
C803
0.1uF
16V
0.1uF
16V
DDC_SCL_4
JK804
EAG59023302
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
R803
1.8K
R819
0
C802
0.1uF
16V
0.1uF
16V
R852
0
JP804
EDID_WP
D0-_HDMI1
R894
1K
DDC_SDA_1
R835
3.3K
JP810
R836
3.3K
R809
0
R830
10K
5V_DET_HDMI_3
D2+_HDMI3
JP802
R818
0
D2+_HDMI4
HDMI_CEC
D824
ENKMC2838-T112
A
1
C
A
2
+5V_Normal
R826
22
5V_DET_HDMI_2
EDID_WP
R828
10K
R814
0
5V_HDMI_3
CK-_HDMI3
D1-_HDMI1
C804
0.1uF
16V
0.1uF
16V
C806
0.1uF
R813
0
R833
0
R804
1.8K
HDMI_CEC
DDC_SDA_1
R884
4.7K
R815
100
R812
0
R821
0
JK801
EAG59023302
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
R850
0
5V_DET_HDMI_4
DDC_SDA_3
R874
10K
R864
10K
D826
AVRL161A1R1NT
OPT
GND
HDMI_CEC
CEC_REMOTE_NEC
C810
0.1uF
16V
0.1uF
16V
GND
R893
10K
10K
D825
R883
0
OPT
R825
22
R859
22
R851
22
R839
22
R840
22
R881
22
R882
22
R887
4.7K
R891
4.7K
JK803
EAG42463001
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
R892
68K
+3.5V_ST
R853
68K
CEC_ON/OFF
GND
R854
68K
R857
68K
OPT
R855
0
OPT
C805
0.1uF
16V
0.1uF
16V
D803
AVRL161A1R1NT
OPT
D804
R856
10K
10K
GND
BSS83
Q806
S
B
D
G
+3.3V_Normal
R858
0
CEC_REMOTE_S7
HDMI
GP2_Saturn7M
Ver. 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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