Read LG 42LH35FD (CHASSIS:LJ91A) 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.
2009.01.20
HDMI INPUT
BRAZIL DVR DV
HPD1
Y13
R634
47K
C604
0.1uF
0.1uF
D2-_HDMI4
AE19
HDMI0_RXC-_BCM
11:W17
+5.0V
5V_HDMI_2
R628
0
0
C621
0.1uF
0.1uF
CK-_HDMI2
D2-_HDMI2
AL14
D2-_HDMI2
CK-_HDMI1
R618
0
DDC_SDA_4
R14;AG19
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
C623
0.1uF
C629
0.1uF
C622
0.1uF
0.1uF
CEC_REMOTE
H17;R26;W27;AL11
C608
0.1uF
0.1uF
D0+_HDMI4
R671
0
R658
0
D2-_HDMI1
Y10
CK+_HDMI4
D0-_HDMI4
D601
MMBD301LT1G
D1+_HDMI1
Y11
R677
0
GND
VR607
AVRL161A1R1NT
HDMI0_RX2+_BCM
11:W16
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-
D0+_HDMI1
CK-_HDMI2
AL12
D2+_HDMI1
C625
0.1uF
R639
0
R675
OPT
0
GND
R657
47K
GND
C607
0.1uF
JP604
L601
BLM18PG121SN1D
JP605
D1+_HDMI4
AF19
DDC_SCL_1
HDMI0_RX1-_BCM
11:W16
DDC_SDA_1
+3.3V_HDMI
CK+_HDMI1
HDMI0_RX1+_BCM
11:W16
R668
0
R655
47K
R606
0
C614
0.1uF
R665
0
R663
0
CEC_REMOTE
H8;H17;R26;AL11
C606
0.1uF
0.1uF
HDMI_SDA
DDC_SDA_2
C615
0.1uF
+1.8V_HDMI
HPD4
R616
0
+1.8V_AMP
D1+_HDMI2
AL13
C611
0.1uF
C627
0.1uF
D1-_HDMI1
Y11
DDC_SCL_2
CK+_HDMI1
Y12
HDMI_CEC
12:F6
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
DDC_SCL_4
R13;AG19
HPD1
DDC_SCL_4
R641
0
0
HPD2
D0+_HDMI1
Y11
C605
0.1uF
HPD2
AL11
HDMI0_RX0+_BCM
11:W17
DDC_SDA_1
D3.3V
D2+_HDMI2
C613
0.1uF
DDC_SDA_4
D1-_HDMI4
CK-_HDMI1
Y12
C612
0.1uF
CK+_HDMI2
AL12
R656
47K
JP606
CEC_REMOTE
H8;R26;W27;AL11
DDC_SCL_2
C628
0.1uF
0.1uF
R670
0
5V_HDMI_2
DDC_SCL_2
R17;AL12
DDC_SCL_1
M17;X12
CK+_HDMI4
AG19
R627
0
0
C610
0.1uF
JP603
D2+_HDMI4
+5.0V
D1+_HDMI1
C626
0.1uF
SDA1_3.3V
5:G5;16:G14
R605
0
DDC_SDA_2
R18;AL12
+3.3V_HDMI
JP602
R672
OPT
4.7K
5V_HDMI_2
P19;AJ15
HDMI_SCL
L602
BLM18PG121SN1D
C616
0.1uF
0.1uF
R666
68K
R673
OPT
4.7K
CEC_REMOTE
+3.3V_ST
CK-_HDMI4
+1.8V_HDMI
5V_HDMI_4
D2+_HDMI2
AL14
R661
1.8K
1.8K
D0-_HDMI2
AL13
DDC_SCL_4
R635
47K
D0+_HDMI4
AF19
D1-_HDMI2
D1+_HDMI4
D0-_HDMI4
AF19
5V_HDMI_1
D0+_HDMI2
CK-_HDMI4
AG19
5V_HDMI_1
HDMI0_RX2-_BCM
11:W16
Q601
SSM6N15FU
3
DRAIN2
2
GATE1
1
SOURCE1
4
SOURCE2
5
GATE2
6
DRAIN1
DDC_SCL_1
R662
1.8K
1.8K
DDC_SDA_2
5V_HDMI_4
Q16;AH18
D2+_HDMI4
AE19
SCL1_3.3V
5:G5;16:G14
R642
0
C619
0.1uF
R653
47K
R667
9.1K
R664
0
OPT
DDC_SDA_4
GND
D1+_HDMI2
CEC_REMOTE
H8;H17;W27;AL11
+3.3V_HDMI
C620
0.1uF
0.1uF
DDC_SDA_1
M18;X13
R676
12K
HDMI0_RX0-_BCM
11:W17
HPD4
AH19
D0-_HDMI1
D1-_HDMI4
AF19
D0-_HDMI2
GND
R669
0
JP601
R617
0
D2-_HDMI4
D1-_HDMI1
C624
0.1uF
HDMI0_RXC+_BCM
11:W17
5V_HDMI_4
C617
0.1uF
0.1uF
D2-_HDMI1
D2+_HDMI1
Y10
+1.8V_HDMI
D1-_HDMI2
AL13
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
R674
OPT
4.7K
5V_HDMI_1
L19;Z14
R678
0
OPT
CK+_HDMI2
C609
0.1uF
R643
0
D0-_HDMI1
Y12
D0+_HDMI2
AL13
R607
0
C618
5.6nF
5.6nF
2
17
* HDMI CEC
UI_HW_PORT1
Net Labels changed for HDMI2
UI_HW_PORT2
EDID Pull-up
VARISTORS(VR500/501/502/503/504/505/506/507) on lines-HPD1/2/3/4 are all options
HDMI S/W For MSTAR Platform
SIDE_HDMI_PORT4
in case HDMI Switch doesn’t support ’ESD protection’
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
AA
AB
AC
AD
AE
AF
AG
AH
AI
AJ
AK
AL
AM
AN
AO
AP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
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