Read LG 47LH9000 (CHASSIS:LD91I) 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.
D0-_HDMI3
DDC_SDA_3
0
R647
+3.3V_ST
CK+_HDMI_SW
CK-_HDMI2
HPD2
D2-_HDMI3
22
R603
D2+_HDMI1
CK+_HDMI1
006:O8
DDC_SDA_4
0 . 1 u F
16V
16V
C601
D1+_HDMI3
D0+_HDMI2
+3.3V
+5V_ST
JP602
DDC_SCL_2
D1-_HDMI_SW
5V_HDMI_4
JP609
0 . 1 u F
C615
0
R625
D0-_HDMI4
0 0 2 : E 1 3
HPD1
GND
D0+_HDMI3
D2+_HDMI2
006:R5
ENKMC2838-T112
D606
D606
A1
C
A2
DDC_SCL_2
5V_HDMI_2
J P 6 0 4
10K
R615
4.7K
R651
DDC_SCL_1
D2-_HDMI4
0 0 2 : E 1 4
CK-_HDMI3
CEC_REMOTE
0
R639
2SC3052
Q602
E
B
C
DDC_SCL_1
006:O7;006:AL5
CEC_REMOTE
0 0 6 : H 1 3 ; 0 0 6 : H 2 2 ; 0 0 6 : T 2 3 ; 0 0 6 : A L 2 4
2SC3052
Q603
E
B
C
0 . 1 u F
C616
CK-_HDMI4
0 0 2 : E 1 3
5V_HDMI_2
D1-_HDMI2
0 0 6 : S 5
D2+_HDMI3
0 . 1 u F
C603
+5V_HDMI_SW
ENKMC2838-T112
D600
D600
A1
C
A2
CK+_HDMI3
0
R619
0 . 1 u F
C611
D1+_HDMI2
0 0 6 : S 5
0
R633
DDC_SDA_1
D0-_HDMI1
D0-_HDMI3
D0+_HDMI_SW
D1+_HDMI2
EDID_WP
D2+_HDMI4
0 0 2 : E 1 4
ENKMC2838-T112
D602
D602
A1
C
A2
5V_HDMI_1
D1-_HDMI3
MMBD301LT1G
30V
D603
1K
R612
D1+_HDMI4
0 0 2 : E 1 4
GND
0
R618
22
R637
DDC_SCL_3
4.7K
R646
CAT24C02WI-GT3
IC602
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
DDC_SCL_SW
BU16027KV
HDMI S/W_rohm
IC604-*1
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
0 . 1 u F
16V
16V
C606
JP603
J P 6 0 1
CAT24C02WI-GT3
IC601
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
DDC_SCL_4
0 0 2 : E 1 5 ; 0 0 6 : A L 1 9
10K
R616
SSM6N15FU
OPT
Q600
3
DRAIN2
2
GATE1
1
SOURCE1
4
SOURCE2
5
GATE2
6
DRAIN1
CK-_HDMI1
006:O8
SEL1_HDMI_SW
SEL2_HDMI_SW
D2-_HDMI1
+3.3V
DDC_SCL_3
0 . 1 u F
C608
4.7K
R644
D1+_HDMI3
22
R604
DDC_SCL_2
0 0 6 : T 5 ; 0 0 6 : A L 1 0
JP607
0
R645
0 . 1 u F
16V
16V
C602
EDID_WP
CEC_REMOTE
2K
R636
CK+_HDMI1
JP610
CK-_HDMI3
D0-_HDMI2
0 0 6 : S 5
TMDS351PAGR
IC604
HDMI S/W_TI
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
D1-_HDMI4
0 0 2 : E 1 4
5V_HDMI_3
1/10W
4.7K
1%
R624
0
R620
HPD4
DDC_SDA_2
0
R642
+3.3V
DDC_SCL_3
EDID_WP
2K
R600
OPT
R631
CK-_HDMI2
0 0 6 : T 5
D2+_HDMI3
HPD3
CEC_REMOTE
0 0 6 : H 4 ; 0 0 6 : H 2 2 ; 0 0 6 : T 2 3 ; 0 0 6 : A L 2 4
D0+_HDMI3
2K
R602
D2+_HDMI_SW
JP608
GND
22
R608
GND
DDC_SDA_SW
D1+_HDMI1
006:O9
DDC_SDA_2
EDID_WP
10K
R617
0 . 1 u F
C610
120K
R627
J P 6 0 0
22
R611
CEC_REMOTE
0 0 6 : H 4 ; 0 0 6 : H 1 3 ; 0 0 6 : H 2 2 ; 0 0 6 : A L 2 4
D1-_HDMI3
0 . 1 u F
16V
16V
C600
1K
R614
0
R605
CK-_HDMI_SW
5V_HDMI_4
0
R648
0 . 1 u F
C604
D0+_HDMI1
006:O8
4.7K
R650
OPT
4.7K
R643
D1+_HDMI1
0
R621
MMBD301LT1G
30V
D605
22
R610
CK+_HDMI2
D1-_HDMI1
006:O9
D2-_HDMI2
D2+_HDMI2
0 . 1 u F
C612
D0-_HDMI2
HDMI_CEC
JP611
CAT24C02WI-GT3
IC600
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
CK+_HDMI2
0 0 6 : T 5
CK-_HDMI1
22
R638
CAT24C02WI-GT3
IC603
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
+5V_ST
1K
R613
D1+_HDMI_SW
D2-_HDMI1
006:O9
4.7K
R626
D1-_HDMI1
DDC_SCL_1
5V_HDMI_3
DDC_SDA_2
0 0 6 : T 5 ; 0 0 6 : A L 1 0
D2+_HDMI1
006:O10
D0+_HDMI1
DDC_SDA_1
4.7K
R629
D0-_HDMI1
006:O8
5V_HDMI_1
0
R641
0 . 1 u F
C613
2SC3052
Q601
E
B
C
D0-_HDMI_SW
D2-_HDMI_SW
0
R622
0
R609
0 . 1 u F
C607
D2-_HDMI2
006:R5
D0+_HDMI2
0 0 6 : S 5
2SC3052
Q604
E
B
C
0 . 1 u F
C614
GND
BLM18PG121SN1D
L600
0 . 1 u F
16V
16V
OPT
C605
+5V_ST
10K
R634
22
R606
D1-_HDMI2
4.7K
R649
4.7K
R628
DDC_SDA_1
006:O7;006:AL6
+5V_ST
J P 6 0 5
0 . 1 u F
C609
DDC_SDA_4
0 0 2 : E 1 4 ; 0 0 6 : A L 2 0
JP606
DDC_SDA_3
ENKMC2838-T112
D601
D601
A1
C
A2
4.7K
R652
DDC_SCL_4
CK+_HDMI4
0 0 2 : E 1 3
0
R640
D2-_HDMI3
2K
R601
0
R607
DDC_SDA_3
GND
1K
R635
CK+_HDMI3
4.7K
R630
D0+_HDMI4
0 0 2 : E 1 3
0
R623
EAG39789402
J 6 0 0
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
EAG39789402
J 6 0 1
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
EAG39789402
J 6 0 2
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
EAG42463001
J 6 0 3
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
EAX61052801
6 1 3
HDMI
2 0 0 9 . 0 2 . 2 3
HDMI EEPROM
UI_HW_PORT1
UI_HW_PORT3
UI_HW_PORT1
UI_HW_PORT4
UI_HW_PORT2
UI_HW_PORT3
SIDE HDMI
UI_HW_PORT2
HDMI
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