DOWNLOAD LG 55LH95 / 55LHX (CHASSIS:LA92E) Service Manual ↓ Size: 13.98 MB | Pages: 82 in PDF or view online for FREE

Model
55LH95 55LHX (CHASSIS:LA92E)
Pages
82
Size
13.98 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55lh95-55lhx-chassis-la92e.pdf
Date

LG 55LH95 / 55LHX (CHASSIS:LA92E) Service Manual ▷ View 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.
SPI_CS0N
VCC3.3V
VCC3.3V
VCC3.3V
BB_INTN
13:W16;13:AH9
VCC3.3V
I2C_SDA
12:N7;12:Z14;13:W14;13:AH10
I2C_SCL
12:N7;12:Z14;13:W14;13:AH10
R908
4.7K 1005
OPT
R911
4.7K
1005
OPT
R906
4.7K
1005
R907
4.7K 1005
OPT
R909
4.7K 1005
C902
0.1uF
16V
1005
R920
0
1005
R919
1M 1%
1005
X901
3.68MHz
TP902
R910
1K
1%
1005
R921
300
1%
1005
R922
4.7K 1005
BB_RSTN
13:L9;13:AH8
R936
4.7K
1005
SB9121
IC601
RSVD_1
L2
RSVD_2
N3
RSVD_3
V3
RSVD_4
W2
RSVD_5
W3
RSVD_6
Y2
RSVD_7
Y3
RSVD_8
AA8
RSVD_9
AB7
GPIO[15]
B11
GPIO[14]
A11
GPIO[13]
A10
GPIO[12]
B10
GPIO[11]
B15
GPIO[10]
C14
GPIO[9]
A15
GPIO[8]
B14
GPIO[7]
Y9
GPIO[6]
AB8
GPIO[5]
AA9
GPIO[4]
Y10
GPIO[3]
AB9
GPIO[2]
AA10
GPIO[1]
AB10
GPIO[0]
Y11
RST#
AA6
CS1
Y6
CS0
AA4
SDI
Y4
SDO
Y5
SCLK
AA5
SCL
AB6
SDA
AA7
I2CSEL
Y8
INT
AB5
VSS_130
Y7
SXTALI
B12
SXTALO
A12
VCC3.3V
R
9
2
3
4
.
7
K
1005
GPIO3
7:AF10
TP911
TP908
GPIO5
7:AF22
R
9
3
1
4
.
7
K
1005
R
9
2
6
4
.
7
K
1005
R
9
3
5
4
.
7
K
1005
TP912
TP910
TP913
R
9
2
8
4
.
7
K
1005
VCC3.3V
R
9
2
9
4
.
7
K
1005
GPIO4
7:AF10
TP915
R
9
3
3
4
.
7
K
1005
TP907
R
9
2
7
4
.
7
K
1005
R
9
2
4
4
.
7
K
1005
R
9
2
5
4
.
7
K
1005
TP909
TP914
R
9
3
2
4
.
7
K
1005
GPIO6
7:AF22
R
9
3
0
4
.
7
K
1005
R
9
3
4
4
.
7
K
1005
R913
4.7K
1005
R915
4.7K
1005
TP903
R903
4.7K
1005
R914
4.7K
1005
TP904
TP905
TP906
R916
4.7K
1005
VCC3.3V
C904
3.3nF
50V
IC901
MX25L1605DM2I-12G
@compC
3
WP#/AGC
2
SO/SIO1
4
GND
1
CS#
5
SI/SIO0
6
SCLK
7
HOLD#
8
VCC
C901
30pF
1005
C903
30pF
1005
2009.02.03
BBIC Control
9  13
A
G
N
V
D
AJ
AE
S
AF
AM
AK
I
E
L
AB
B
Y
J
W
F
AD
U
AO
K
AI
Q
Z
R
AA
AG
AH
M
X
H
P
AL
AN
AC
O
C
T
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
W-TV Rx
ADDR = 0xAx
Control
ADDR = 0xBx
Crystal matching
27pF -> 30pF
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.
VCC3.3V
IC601
SB9121
VSS_97
R4
VSS_83
P4
VSS_94
R1
VSS_95
R2
VSS_82
P3
VSS_108
T1
VSS_120
U1
VSS_109
T2
VSS_96
R3
VSS_123
V1
VSS_121
U2
VSS_125
W1
VDDIO_26
T3
VDDIO_27
V2
VDDIO_28
Y1
VSS_122
U3
NC_17
M20
VSSA_11
L19
VSSA_7
K19
NC_19
T20
NC_18
R19
VSS_135
AA11
VSS_128
W12
NC_11
C15
NC_1
A16
NC_6
B16
NC_12
C16
NC_2
A17
NC_7
B17
NC_13
C17
NC_3
A18
NC_8
B18
NC_14
C18
NC_4
A19
NC_9
B19
NC_15
C19
NC_5
A20
NC_10
B20
NC_16
C20
NC_20
U20
NC_21
V20
NC_24
W22
NC_23
W21
NC_22
W20
NC_36
Y22
NC_35
Y21
NC_34
Y20
NC_33
Y19
NC_44
AA19
NC_32
Y18
NC_43
AA18
NC_52
AB18
NC_31
Y17
NC_42
AA17
NC_51
AB17
NC_30
Y16
NC_41
AA16
NC_50
AB16
NC_29
Y15
NC_40
AA15
NC_49
AB15
NC_28
Y14
NC_39
AA14
NC_48
AB14
NC_27
Y13
NC_38
AA13
NC_47
AB13
NC_26
Y12
NC_37
AA12
NC_46
AB12
NC_45
AB11
2009.02.03
BBIC Misc
10  13
A
G
N
V
D
AJ
AE
S
AF
AM
AK
I
E
L
AB
B
Y
J
W
F
AD
U
AO
K
AI
Q
Z
R
AA
AG
AH
M
X
H
P
AL
AN
AC
O
C
T
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
W-TV Rx
Interface is NC
Misc
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.
VDDHA_2.5V_BBic
VDDA_1.0V_BBic
VCC3.3V
VCC2.5V
C1134
0.1uF
16V
1005
C1114
0.1uF
16V
1005
C1112
0.1uF
16V
1005
C1115
0.1uF
16V
1005
C1124
0.1uF
16V
1005
C1118
0.1uF
16V
1005
C1128
0.1uF
16V
1005
C1116
0.1uF
16V
1005
C1130
0.1uF
16V
1005
C1113
0.1uF
16V
1005
C1123
0.1uF
16V
1005
C1127
0.1uF
16V
1005
C1129
0.1uF
16V
1005
C1111
0.1uF
16V
1005
C1126
0.1uF
16V
1005
C1125
0.1uF
16V
1005
C1117
0.1uF
16V
1005
C1119
0.1uF
16V
1005
C1121
0.1uF
16V
1005
C1131
0.1uF
16V
1005
C1136
0.1uF
16V
1005
C1138
0.1uF
16V
1005
C1139
0.1uF
16V
1005
C1132
0.1uF
16V
1005
C1133
0.1uF
16V
1005
C1135
0.1uF
16V
1005
C1140
0.1uF
16V
1005
C1142
0.1uF
16V
1005
C1144
0.1uF
16V
1005
C1145
0.1uF
16V
1005
C1146
0.1uF
16V
1005
C1147
0.1uF
16V
1005
C1148
0.1uF
16V
1005
C1149
0.1uF
16V
1005
C1150
0.1uF
16V
1005
C1151
0.1uF
16V
1005
C1109
0.1uF
16V
1005
C1106
0.1uF
16V
1005
C1105
0.1uF
16V
1005
C1102
0.1uF
16V
1005
C1110
0.1uF
16V
1005
C1101
0.01uF
25V
1005
C1107
0.01uF
25V
1005
VCC1.0V
C1103
10V
3216
22uF
C1108
10V
3216
22uF
C1120
10uF
10V
2012
C1104
10uF
10V
2012
C1141
10uF
10V
2012
VCC1.0V
VCC1.0V
VCC1.0V
VCC1.0V
VCC1.0V
VCC3.3V
C1137
10uF
6.3V
1608
C1143
10uF
6.3V
1608
C1122
10uF
6.3V
1608
IC601
SB9121
VDD_50
V11
VDD_49
V10
VDD_48
V9
VDD_47
V8
VDD_56
W5
VDD_55
W4
VDD_46
V5
VDD_45
V4
VDD_43
U5
VDD_42
U4
VDD_41
T5
VDD_40
T4
VDD_38
N5
VDD_37
N4
VDD_36
M5
VDD_35
M4
VDD_34
L5
VDD_33
K5
VDD_31
J5
VDD_30
J4
VDD_29
H5
VDD_28
H4
VDD_24
E19
VDD_23
E18
VDD_22
E15
VDD_21
E14
VDD_20
E13
VDD_19
E12
VDD_18
E11
VDD_17
E10
VDD_16
E7
VDD_15
E6
VDD_14
E5
VDD_13
E4
VDD_12
D19
VDD_11
D18
VDD_10
D15
VDD_9
D14
VDD_8
D11
VDD_7
D10
VDD_6
D9
VDD_5
D8
VDD_4
D7
VDD_3
D6
VDD_2
D5
VDD_1
D4
VDD_51
V12
VDD_52
V13
VDD_53
V16
VDD_54
V17
VDD_57
W8
VDD_58
W9
VDD_59
W13
VDD_60
W14
VDD_61
W15
VDD_62
W16
VDD_63
W17
VDD_64
W18
VDD_65
W19
VDD_25
F18
VDD_26
F19
VDD_32
J18
VDD_27
G18
VDDIO_5
E8
VDDIO_6
E9
VDDIO_1
D12
VDDIO_2
D13
VDDIO_3
D16
VDDIO_4
D17
VDDIO_7
E16
VDDIO_8
E17
VDDIO_9
F4
VDDIO_10
F5
VDDIO_11
G4
VDDIO_12
G5
VDDIO_13
K4
VDDIO_14
L4
VDDIO_15
P5
VDDIO_16
R5
VDDIO_18
V6
VDDIO_19
V7
VDDIO_22
W6
VDDIO_23
W7
VDDIO_24
W10
VDDIO_25
W11
VDDIO_20
V14
VDDIO_21
V15
VDDIO_17
U19
IC601
SB9121
VSS_61
L16
VSS_60
L15
VSS_59
L14
VSS_58
L13
VSS_57
L12
VSS_56
L11
VSS_55
L10
VSS_54
L9
VSS_53
L8
VSS_52
L7
VSS_51
K16
VSS_50
K15
VSS_49
K14
VSS_48
K13
VSS_47
K12
VSS_46
K11
VSS_45
K10
VSS_44
K9
VSS_43
K8
VSS_42
K7
VSS_41
J16
VSS_40
J15
VSS_39
J14
VSS_38
J13
VSS_37
J12
VSS_36
J11
VSS_35
J10
VSS_34
J9
VSS_33
J8
VSS_32
J7
VSS_31
H16
VSS_30
H15
VSS_29
H14
VSS_28
H13
VSS_27
H12
VSS_26
H11
VSS_25
H10
VSS_24
H9
VSS_23
H8
VSS_22
H7
VSS_21
G16
VSS_20
G15
VSS_19
G14
VSS_18
G13
VSS_17
G12
VSS_16
G11
VSS_15
G10
VSS_14
G9
VSS_13
G8
VSS_12
G7
VSS_1
A2
VSS_4
B1
VSS_5
B2
VSS_6
B3
VSS_9
C2
VSS_2
A21
VSS_3
A22
VSS_7
B21
VSS_8
B22
VSS_10
C21
VSS_11
C22
VSS_136
AA20
VSS_119
T16
VSS_118
T15
VSS_117
T14
VSS_116
T13
VSS_115
T12
VSS_114
T11
VSS_113
T10
VSS_112
T9
VSS_111
T8
VSS_110
T7
VSS_107
R16
VSS_106
R15
VSS_105
R14
VSS_104
R13
VSS_103
R12
VSS_102
R11
VSS_101
R10
VSS_100
R9
VSS_99
R8
VSS_98
R7
VSS_93
P16
VSS_92
P15
VSS_91
P14
VSS_90
P13
VSS_89
P12
VSS_88
P11
VSS_87
P10
VSS_86
P9
VSS_85
P8
VSS_84
P7
VSS_81
N16
VSS_80
N15
VSS_79
N14
VSS_78
N13
VSS_77
N12
VSS_76
N11
VSS_75
N10
VSS_74
N9
VSS_73
N8
VSS_72
N7
VSS_71
M16
VSS_70
M15
VSS_69
M14
VSS_68
M13
VSS_67
M12
VSS_66
M11
VSS_65
M10
VSS_64
M9
VSS_63
M8
VSS_62
M7
VSS_131
AA1
VSS_132
AA2
VSS_133
AA3
VSS_139
AB1
VSS_140
AB2
VSS_141
AB3
VSS_142
AB4
VSS_147
AB22
VSS_146
AB21
VSS_145
AB20
VSS_144
AB19
VSS_138
AA22
VSS_137
AA21
IC601
SB9121
VDDA_1
M18
VDDA_2
N18
VDDA_3
P19
VDDA_4
P20
VDDHA_1
K18
VDDHA_2
L18
VDDHA_3
P18
VDDHA_4
R18
VDDHA_5
T18
VDDHA_6
T19
VDDHA_7
U18
VDDHA_8
V18
VDDHA_9
V19
VSSA_1
G19
VSSA_2
G20
VSSA_3
H18
VSSA_4
H20
VSSA_5
J19
VSSA_6
J20
VSSA_8
K20
VSSA_9
K21
VSSA_10
K22
VSSA_12
L20
VSSA_13
M21
VSSA_14
M22
VSSA_15
N20
VSSA_16
P21
VSSA_17
P22
VSSA_18
R20
VSSA_19
T21
VSSA_20
T22
VSSA_21
V21
VSSA_22
V22
VCC1.0V(RF)
L1102
120-ohm
L1101
OPT
120-ohm
L1103
120-ohm
2009.02.03
BBIC Power/Ground
11  13
A
G
N
V
D
AJ
AE
S
AF
AM
AK
I
E
L
AB
B
Y
J
W
F
AD
U
AO
K
AI
Q
Z
R
AA
AG
AH
M
X
H
P
AL
AN
AC
O
C
T
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
W-TV Rx
SB9121 Bypass Caps
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.
Tx_HPD
VCC5V
HDMI_CEC
VIDEO_D29
8:X15
VIDEO_VSYNC
8:X8
VIDEO_HSYNC
8:X8
VIDEO_D31
8:X15
VIDEO_D28
8:X15
VIDEO_D09
8:X11
VIDEO_D21
8:X13
VIDEO_D35
8:X16
VIDEO_D08
8:X10
VIDEO_D06
8:X10
VIDEO_D30
8:X15
VIDEO_D18
8:X13
VIDEO_CLK
8:AB10
VIDEO_D17
8:X13
VIDEO_D23
8:X14
VIDEO_D22
8:X14
VIDEO_D16
8:X12
VIDEO_D32
8:X16
VIDEO_D10
8:X11
VIDEO_D11
8:X11
VIDEO_D34
8:X16
VIDEO_D07
8:X10
VIDEO_D19
8:X13
VIDEO_D33
8:X16
VIDEO_DE
8:X8
VIDEO_D05
8:X10
VIDEO_D04
8:X9
AUDIO_MCLK
8:X20
AUDIO_WS
8:X20
AUDIO_SD0
8:X20
AUDIO_SCLK
8:X19
I2C_SCL
9:AA17;Z14;13:W14;13:AH10
HDMI_RSTN
13:L9;13:AH8
VCC3.3V
VCC3.3V
CVCC1.8V
IOVCC3.3V
AVCC1.8V
VCC5V
Tx_SCL
Z14
Tx_CLK-
Z15
Tx_CLK+
Z16
Tx_0+
Z17
Tx_0-
Z17
Tx_1+
Z18
Tx_1-
Z18
Tx_2+
Z19
Tx_2-
Z19
VA1201
AVRL161A1R1NT
VA1202
AVRL161A1R1NT
VA1203
AVRL161A1R1NT
VA1204
AVRL161A1R1NT
VCC5V
Tx_HPD
S13
Tx_HPD
Z13
Tx_SDA
Z14
I2C_SDA
9:AA17;Z14;13:W14;13:AH10
Tx_1-
K11
Tx_0-
K11
Tx_0+
K11
Tx_CLK-
J11
Tx_2-
L11
Tx_1+
L11
Tx_2+
L11
Tx_CLK+
J11
Tx_SDA
N7
Tx_SCL
M7
HDMI_INTN
13:W16;13:AH9
VCC3.3V
C1207
0.1uF
16V
1005
C1204
0.1uF
16V
1005
C1210
0.1uF
16V
1005
C1209
0.1uF
16V
1005
C1206
0.1uF
16V
1005
C1205
0.1uF
16V
1005
C1208
0.1uF
16V
1005
R1210
4.7K
1005
R1201
4.7K
1005
R1206
4.7K
1005
R1208
4.7K 1005
OPT
R1209
4.7K 1005
OPT
R1211
4.7K 1005
R1212
4.7K 1005
R1213
4.7K
1005
OPT
R1207
1K
1005
R1202
1K
1005
OPT
R1205
4.7K
1005
L1201
CIC21J601
PVCC1.8V
AVCC1.8V
TP1201
TP1202
TP1203
TP1204
C1203
10uF
10V
2012
C1211
10uF
10V
2012
C1202
10uF
3216
C1201
10uF
16V
3216
R1221
0
1005
R1222
0
1005
R1223
0
1005
R1224
0
1005
R1225
0
1005
OPT
R1218
0 1005
OPT
R1220
0 1005
I2C_SDA
9:AA17;N7;13:W14;13:AH10
R1219
0
1005
I2C_SCL
9:AA17;N7;13:W14;13:AH10
UART0_TXD
13:U14
UART0_RXD
13:U14
I2C_SCL1
13:W12
R1203
0 1005
OPT
I2C_SDA1
13:W12
R1216
0
1005
OPT
VIDEO_D00
8:X9
VIDEO_D01
8:X9
VIDEO_D02
8:P6;8:X9
VIDEO_D03
8:U6;8:X9
VIDEO_D12
8:X12;8:AA6
VIDEO_D13
8:X12
VIDEO_D14
8:X12
VIDEO_D15
8:X12
VIDEO_D24
8:X14
VIDEO_D25
8:X14
VIDEO_D26
8:X14
VIDEO_D27
8:X15
VIDEO_D20
8:X13
R1217
18
1%
1005
R1204
680
1608
IC1201
SIL9134CTU
1
DE
2
HSYBC
3
VSYNC
4
SPDIF
5
MCLK
6
SD3
7
SD2
8
SD1
9
SD0
10
WS
11
SCK
12
CVCC18_1
13
GND_1
14
IOVCC33_1
15
DCLK
16
DR0
17
DL0
18
DR1
19
DL1
20
DR2
21
DL2
22
DR3
23
DL3
24
INT
25
RESET#
26
AGND_1
27
EXT_SWG
28
PVCC1
29
AGND_2
30
TXC-
31
TXC+
32
AVCC18_1
33
TX0-
34
TX0+
35
AGND_3
36
TX1-
37
TX1+
38
AVCC18_2
39
TX2-
40
TX2+
41
AGND_4
42
PVCC2
43
AGND_5
44
AVCC33
45
DDCPWR5V
46
DSCL
47
DSDA
48
CSCL
49
CSDA
50
CI2CA
51
HPD
52
TMODE
53
IOVCC33_2
54
GND_2
55
CVCC18_2
56
D35
57
D34
58
D33
59
D32
60
D31
61
D30
62
D29
63
D28
64
CVCC18_3
65
GND_3
66
IOVCC33_3
67
D27
68
D26
69
D25
70
D24
71
D23
72
D22
73
D21
74
D20
75
D19
76
CVCC18_4
77
D18
78
D17
79
D16
80
D15
81
D14
82
D13
83
D12
84
D11
85
D10
86
D9
87
GND_4
88
IDCK
89
IOVCC33_4
90
D8
91
D7
92
D6
93
D5
94
D4
95
D3
96
D2
97
D1
98
D0
99
CVCC18_5
100
GND_5
C1212
0.1uF
16V
1005
D1201
RCLAMP0524P
3
GND1
2
IN2
4
IN3
1
IN1
5
IN4
6
OUT4
7
OUT3
8
GND2
9
OUT2
10
OUT1
D1202
RCLAMP0524P
3
GND1
2
IN2
4
IN3
1
IN1
5
IN4
6
OUT4
7
OUT3
8
GND2
9
OUT2
10
OUT1
JK1
YKF45-7060V
14
13
CEC
5
20
BODY_SHIELD
12
11
2
19
18
10
4
1
17
9
8
3
16
SDA
7
6
15
SCL
R1214
4.7K
1005
OPT
C1213
3.3nF
50V
ESD
2009.02.03
HTMI Tx
12  13
A
G
N
V
D
AJ
AE
S
AF
AM
AK
I
E
L
AB
B
Y
J
W
F
AD
U
AO
K
AI
Q
Z
R
AA
AG
AH
M
X
H
P
AL
AN
AC
O
C
T
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
W-TV Rx
Address                CI2CA=High    CI2A=Low
First Device Address     0x76          0x72
Second Device Address    0x7E          0x7A
Stuff Option
Near Video_clk
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