Read LG 52LG7500-ZB (CHASSIS:LD86F) 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.
HDMI_B[0]
HDMI_B[1]
HDMI_B[2]
HDMI_B[3]
HDMI_B[4]
HDMI_B[5]
HDMI_B[6]
HDMI_B[7]
HDMI_G[0]
HDMI_G[1]
HDMI_G[2]
HDMI_G[3]
HDMI_G[4]
HDMI_G[5]
HDMI_G[6]
HDMI_G[7]
HDMI_R[0]
HDMI_R[1]
HDMI_R[2]
HDMI_R[3]
HDMI_R[4]
HDMI_R[5]
HDMI_R[6]
HDMI_R[7]
BDATA[0]
BDATA[1]
BDATA[2]
BDATA[3]
BDATA[4]
BDATA[5]
BDATA[6]
BDATA[7]
BDATA[8]
BDATA[9]
BDATA[10]
BDATA[11]
BDATA[12]
BDATA[13]
BDATA[14]
BDATA[15]
BDATA[16]
BDATA[17]
BDATA[18]
BDATA[19]
BDATA[20]
BDATA[21]
BDATA[22]
BDATA[23]
IC1005
AT24C02BN-10SU-1.8
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
GND
R1047
47K
D1001
KDS184
P_3.3V_HDMI
3.3V_CTZ_1
GND
GND
+5VST_3
R1057
47K
IC1004
AT24C02BN-10SU-1.8
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
ZD1000
30V
READY
CDS3C30GTH
5V_HDMI_3
BSS83
Q1000
S
BD
G
R1046
47K
1.8V_HDMI
D1000
KDS184
5V_HDMI_2
5V_HDMI_1
GND
+5VST_3
R1051
47K
IC1003
AT24C02BN-10SU-1.8
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
Q1001
KRC102S
E
B
C
5V_HDMI_2
D1004
KDS184
R1052
47K
5V_HDMI_3
R1056
47K
GND
5V_HDMI_1
X1000
27.00000MHz
+5VST_3
C1054
0.1uF
C1049
0.1uF
C1041
0.1uF
C1048
0.1uF
C1029
0.1uF
C1002
0.1uF
C1036
0.1uF
C1044
0.1uF
C1056
0.1uF
C1042
0.1uF
C1057
0.1uF
C1055
0.1uF
C1059
0.1uF
C1046
0.1uF
C1053
0.1uF
C1017
0.1uF
C1035
0.1uF
C1051
0.1uF
C1045
0.1uF
C1038
0.1uF
C1052
0.1uF
C1037
0.1uF
C1030
0.1uF
C1062
0.1uF
C1039
0.1uF
C1018 0.1uF
C1001
0.1uF
C1019 0.1uF
C1016
0.1uF
C1040
0.1uF
R1029
0
READY
R1030
0
READY
R1059
0
R1014
0
R1055
0
READY
R1053
0
R1058
0
R1087
0
R1050
0
READY
R1045
0
READY
R1013
0
R1054
0
R1049
0
R1048
0
C1011
0.01uF
C1007
0.01uF
C1006
0.01uF
C1008
0.01uF
C1005
0.01uF
C1010
0.01uF
C1004
0.01uF
C1003
0.01uF
R1038
10K
R1036
10K
R1034
10K
R1060
10K
R1031
27K
R1039
33K
R1035
33K
R1037
33K
R1079
22
R1078
22
R1080
22
R1085
33
R1086
1M
C1021
18pF
C1020
18pF
R1091
0
R1005
4.7K
C1060
0.1uF
+5VST_3
GND
GND
GND
GND
GND
GND
C1043
10uF
6.3V
C1034
10uF
6.3V
C1050
10uF
6.3V
R1000
1K
R1004
1K
R1089
4.7K
R1088
4.7K
R1061
1K
CEC_REMOTE
CEC_0
D2+_HDMI1
D2-_HDMI1
D1+_HDMI1
D1-_HDMI1
D0-_HDMI1
D0+_HDMI1
D0+_HDMI1
CK+_HDMI1
CK-_HDMI1
DDC_SCL_1
DDC_SDA_1
+3.3V
CK-_HDMI2
CK+_HDMI2
D1-_HDMI2
D2-_HDMI2
D1+_HDMI2
D2+_HDMI2
D0+_HDMI2
DDC_SCL_2
D0-_HDMI2
DDC_SDA_2
HDMI_SEL2
HDMI_SEL1
TX2_SW+
TX2_SW-
TX1_SW-
TX1_SW+
TX1_SW+
TX0_SW+
TX0_SW-
TXCLK_SW-
TXCLK_SW+
TXCLK_SW+
DDC_SCL_HDMI
DDC_SDA_HDMI
1.8V_HDMI
DDC_SCL_HDMI
DDC_SDA_HDMI
DDC_SDA_3
DDC_SCL_3
SCL
SDA
BDATA_V_SYNC
BDATA_H_SYNC
BDATA_EN
R1076
0
R1077
0
HDMI_CLK
HDMI_LRCH
HDMI_LRCK
HDMI_SCK
SW_RESET
TXCLK_SW-
TXCLK_SW+
TX0_SW+
TX0_SW-
TX1_SW-
TX1_SW+
TX2_SW+
TX2_SW-
CK-_HDMI3
CK+_HDMI3
D0+_HDMI3
D0-_HDMI3
D1-_HDMI3
D1+_HDMI3
D2+_HDMI3
D2-_HDMI3
BDATA[0-23]
CEC_REMOTE
HP_DET_S/W_1
DDC_SDA_1
DDC_SCL_1
D0-_HDMI1
D1-_HDMI1
D0+_HDMI1
D2+_HDMI1
D1+_HDMI1
D2-_HDMI1
CK+_HDMI1
CK-_HDMI1
HP_DET_S/W_2
CEC_REMOTE
CK-_HDMI2
CK+_HDMI2
DDC_SCL_2
D1-_HDMI2
D2-_HDMI2
D1+_HDMI2
D0-_HDMI2
D2+_HDMI2
D0+_HDMI2
DDC_SDA_2
HP_DET_S/W_3
DDC_SDA_3
DDC_SCL_3
D0+_HDMI3
D0-_HDMI3
D1-_HDMI3
D2+_HDMI3
D1+_HDMI3
D2-_HDMI3
CK-_HDMI3
CK+_HDMI3
DDC_SCL_3
DDC_SDA_3
DDC_SDA_2
DDC_SCL_2
DDC_SCL_1
DDC_SDA_1
EEPROM_WP
HDMI1_5V_DET
HDMI2_5V_DET
HDMI3_5V_DET
5V_HDMI_1
5V_HDMI_3
5V_HDMI_2
R1001
0
TP1049
TP1002
TP1003
TP1004
TP1005
TP1006
TP1007
TP1008
TP1009
TP1010
TP1017
TP1018
TP1019
TP1025
TP1028
TP1029
TP1030
TP1032
TP1033
TP1039
TP1040
TP1041
TP1042
TP1043
D1003
MMBD301LT1G
30V
R1028
68K
1.8V_HDMI_AVCC
1.8V_HDMI_AVCC
R1082
22
R1083
22
R1084
22
JK1001
DC1R019WDH
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
CK_GND
12
CK-
13
CE_REMOTE
14
NC
15
DDC_CLK
16
DDC_DATA
17
GND
18
5V
19
HP_DET
20
GND
21
GND
22
GND
JK1002
DC1R019WDH
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
CK_GND
12
CK-
13
CE_REMOTE
14
NC
15
DDC_CLK
16
DDC_DATA
17
GND
18
5V
19
HP_DET
20
GND
21
GND
22
GND
IC1001
TMDS351PAG
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
JP1001
JP1003
JP1002
JP1005
JP1006
IC1000
SIL9125CTU
1
Q10
2
Q9
3
Q8
4
IOGND_1
5
ODCK
6
IOVCC33_1
7
Q7
8
Q6
9
Q5
10
Q4
11
CGND_1
12
CVCC18_1
13
Q3
14
Q2
15
Q1
16
Q0
17
IOGND_2
18
IOVCC33_2
19
DE
20
HSYNC
21
VSYNC
22
EVNODD
23
CGND_2
24
CVCC18_2
25
CVCC18_3
26
CSDA
27
CSCL
28
DSDA1
29
DSCL1
30
R1PWR5V
31
IOGND_3
32
IOVCC33_3
33
DSDA0
34
DSCL0
35
R0PWR5V
36
GND
37
AVCC18_1
38
AVCC33_1
39
R0XC-
40
R0XC+
41
AGND_1
42
AVCC33_2
43
R0X0-
44
R0X0+
45
AGND_2
46
AVCC33_3
47
R0X1-
48
R0X1+
49
AGND_3
50
AVCC33_4
51
R0X2-
52
R0X2+
53
AGND_4
54
AVCC18_2
55
RSVDNC_1
56
AVCC33_5
57
R1XC-
58
R1XC+
59
AGND_5
60
AVCC33_6
61
R1X0-
62
R1X0+
63
AGND_6
64
AVCC33_7
65
R1X1-
66
R1X1+
67
AGND_7
68
AVCC33_8
69
R1X2-
70
R1X2+
71
AGND_8
72
AVCC18_3
73
IOGND_4
74
IOVCC33_4
75
MUTEOUT
76
RSVDNC_2
77
RSVDNC_3
78
SPDIF
79
CGND_3
80
CVCC18_4
81
SD
82
RSVDNC_4
83
RSVDNC_5
84
RSVDNC_6
85
WS
86
SCK
87
IOGND_5
88
IOVCC33_5
89
MCLK
90
CGND_4
91
CVCC18_5
92
DVCC18
93
DGND
94
XTALOUT
95
XTALIN
96
XTALVCC
97
REGVCC
98
REGDNC
99
RSVDL
100
RESET#
101
SCDT
102
INT
103
IOGND_6
104
IOVCC33_6
105
CI2CA
106
CGND_5
107
CVCC18_6
108
Q35
109
Q34
110
Q33
111
Q32
112
IOGND_7
113
IOVCC33_7
114
Q31
115
Q30
116
Q29
117
Q28
118
CGND_6
119
CVCC18_7
120
Q27
121
Q26
122
Q25
123
Q24
124
IOGND_8
125
IOVCC33_8
126
Q23
127
Q22
128
Q21
129
Q20
130
CGND_7
131
CVCC18_8
132
Q19
133
Q18
134
Q17
135
Q16
136
IOGND_9
137
IOVCC33_9
138
Q15
139
Q14
140
Q13
141
Q12
142
CGND_8
143
CVCC18_9
144
Q11
WP_RGB
R1010
4.7K
1/10W
1%
P_3.3V_HDMI
+3.3V
R1022
0
R1021
4.7K
READY
D1005
MMBD301LT1G
30V
+3.3V
+5VST_3
C1065
0.1uF
AR1002
68
1/16W
AR1000
68
1/16W
AR1001
68
1/16W
AR1005
68
1/16W
AR1004
68
1/16W
AR1003
68
1/16W
R1081
68
L1001
MBW3216-501TF
L1
00
2
M B
W 32
16
-5
01
TF
L1000
MBW3216-501TF
C1033
0.01uF
50V
C1047
10uF
6.3V
C1022
0.01uF
50V
C1023
0.01uF
50V
C1026
0.01uF
50V
C1025
0.01uF
50V
C1024
0.01uF
50V
C1028
0.01uF
50V
C1031
0.01uF
50V
C1032
0.01uF
50V
+3.3V
C1027
100pF
50V
C1066
100pF
50V
C1067
100pF
50V
C1068
100pF
50V
C1069
100pF
50V
C1070
100pF
50V
C1071
100pF
50V
C1072
100pF
50V
GND
C1061
0.1uF
JP1004
JP1000
JK1003
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
C1064
22pF
TP1011
TP1014
TP1013
TP1015
TP1012
TP1016
TP1034
TP1050
TP1036
TP1052
TP1045
TP1064
TP1046
TP1051
TP1037
TP1035
TP1047
TP1048
TP1001
TP1056
TP1057
TP1058
TP1059
TP1060
TP1061
TP1062
TP1063
TP1055
TP1054
TP11
TP1066
TP1065
TP14
TP15
TP16
TP17
TP18
TP1067
TP1099
TP1098
TP1097
TP1096
LOW:Protect
HDMI 5V Detection
10.HDMI
SIDE HDMI
EEPROM_WP
HDMI
HDMI2
HDMI1
HDMI3
C
2008
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