LG 72LZ9900-CA (CHASSIS:LC12N) 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.
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.
LLV1P_S
GMA6_M
GMA10_S
LRV5N_M
GMA3_M
LLVCLKP_S
VGL_M
(-5V)
GMA13_S
LLV0N_S
RLV1P_S
C1008
10uF
25V
H_CONV
HVDD_M
(+8V)
C1024
0.1uF
16V
0.1uF
16V
LRV5P_S
VCC_LCM_S
(+3.3V)
RLV2N_S
RLV4N_S
RRV0N_S
OPT_P
VDD_LCM_S
(+16V)
OPT_N
GMA7_S
GMA14_S
LRV2N_S
LRV4P_S
C1012
0.1uF
50V
0.1uF
50V
GMA1_S
GMA12_S
GMA10_M
RLV2P_M
LRV6P_M
RRV5N_S
RLV4P_M
LRV6N_M
GMA5_M
LLV4P_S
RRV2N_M
LRV0P_M
GMA16_S
GSC
GMA3_S
RLV0N_M
GMA5_M
RLV5P_S
RLV6N_S
RLV2P_S
LRV5N_S
GMA7_M
GMA18_S
GMA3_M
POL_M
GMA9_M
OPT_P
C1006
0.1uF
50V
0.1uF
50V
GMA15_S
RLVCLKN_S
LRVCLKN_M
LRV6N_S
RLV5N_S
GOE
RRVCLKN_S
GMA12_M
RRVCLKN_M
VGL_S
(-5V)
POL_S
GMA1_M
LLV1N_S
C1020
10uF
16V
10uF
16V
OPT_P
VDD_LCM_M
(+16V)
GMA6_S
RLVCLKP_S
VDD_LCM_M
(+16V)
GMA12_S
LRV2P_S
C1021
0.1uF
50V
0.1uF
50V
RRV5P_S
P1003
104060-8017
1
VDD
2
VDD
3
GND
4
VCC
5
VCC
6
GND
7
HVDD
8
HVDD
9
GND
10
OPT_P
11
VGL
12
GND
13
GOE
14
GSC
15
GND
16
VGH
17
GND
18
VCOM_OUT
19
GND
20
ZOUT_M
21
NC
22
G1
23
G3
24
G4
25
G5
26
G6
27
G7
28
G9
29
G10
30
G12
31
G13
32
G14
33
G15
34
G16
35
G18
36
GND
37
GSP
38
POL
39
GND
40
SOE
41
H_CONV
42
OPT_N
43
GND
44
RLV5-_M
45
RLV5+_M
46
RLV4-_M
47
RLV4+_M
48
RLV3-_M
49
RLV3+_M
50
GND
51
RLVCLK-_M
52
RLVCLK+_M
53
GND
54
RLV2-_M
55
RLV2+_M
56
RLV1-_M
57
RLV1+_M
58
RLV0-_M
59
RLV0+_M
60
GND
61
RRV5-_M
62
RRV5+_M
63
RRV4-_M
64
RRV4+_M
65
RRV3-_M
66
RRV3+_M
67
GND
68
RRVCLK-_M
69
RRVCLK+_M
70
GND
71
RRV2-_M
72
RRV2+_M
73
RRV1-_M
74
RRV1+_M
75
RRV0-_M
76
RRV0+_M
77
GND
78
SDA_M
79
SCL_M
80
WP_M
81
.
LLV6N_M
LLV2P_S
RRV4N_S
LRV1P_M
C1019
0.1uF
16V
0.1uF
16V
RLV4N_M
H_CONV
LRV4N_M
VGH_M
(+27V)
VGH_S
(+27V)
LRVCLKP_M
VGL_M
(-5V)
LRV4N_S
RRVCLKP_S
C1009
10uF
16V
10uF
16V
RLV5N_M
GMA9_S
LRVCLKP_S
LRV0N_S
SOE_L_S
LLV6P_M
LRV1N_M
VGH_M
(+24V)
GSC
RRV0P_M
RRV2N_S
RRV5N_M
GMA14_M
GSP
GMA18_M
LLV2N_S
LRV0P_S
C1025
10uF
16V
10uF
16V
VDD_LCM_S
(+16V)
RLV0N_S
RRV0N_M
HVDD_S
(+8V)
VCOM_R_M
GOE
LLV5P_M
GSC
GMA5_S
SOE_R_M
GMA18_S
LRV2N_M
LLV6P_S
GSC
GSP
GMA13_M
LRV5P_M
RRV4P_M
H_CONV
RRV6N_M
RLV1N_S
OPT_N
SOE_R_S
RLV0P_M
GMA3_S
RLV6N_M
RRV2P_M
RLV6P_M
C1016
0.1uF
50V
0.1uF
50V
RRV6P_S
GMA10_M
RRV1P_M
VGH_S
(+27V)
RLV4P_S
C1017
0.01uF
50V
0.01uF
50V
RRV6N_S
GMA4_S
RRV1N_M
GMA15_M
P1005
104060-8017
1
GND
2
RRV5-_S
3
RRV5+_S
4
RRV4-_S
5
RRV4+_S
6
RRV3-_S
7
RRV3+_S
8
GND
9
RRVCLK-_S
10
RRVCLK+_S
11
GND
12
RRV2-_S
13
RRV2+_S
14
RRV1-_S
15
RRV1+_S
16
RRV0-_S
17
RRV0-_S
18
GND
19
RLV5-_S
20
RLV5+_S
21
RLV4-_S
22
RLV4+_S
23
RLV3-_S
24
RLV3+_S
25
GND
26
RLVCLK-_S
27
RLVCLK+_S
28
GND
29
RLV2-_S
30
RLV2+_S
31
RLV1-_S
32
RLV1+_S
33
RLV0-_S
34
RLV0+_S
35
GND
36
OPT_P
37
H_CONV
38
NC
39
POL_S
40
GND
41
SOE
42
GND
43
GND
44
G1
45
G3
46
G4
47
G5
48
G6
49
G7
50
G9
51
G10
52
G12
53
G13
54
G14
55
G15
56
G16
57
G18
58
GND
59
GND
60
ZOUT_S
61
ZOUT_M
62
GND
63
VCOM_OUT
64
GND
65
GND
66
VGH
67
GND
68
GSC
69
GOE
70
GND
71
VGL
72
GND
73
HVDD
74
HVDD
75
GND
76
VCC
77
VCC
78
GND
79
VDD
80
VDD
81
.
VCOM_L_S
SOE_L_M
LLV5P_S
GOE
GMA14_M
C1010
0.1uF
16V
0.1uF
16V
GMA16_M
GMA4_S
VCC_LCM_M
(+3.3V)
GMA6_M
GMA13_M
POL_M
GMA1_M
LLV1N_M
ZOUT_M
RLVCLKN_M
VCOM_R_S
LLV0P_M
RLV2N_M
GMA9_M
GMA6_S
RRVCLKP_M
C1013
0.1uF
16V
0.1uF
16V
VGL_S
(-5V)
LLVCLKN_M
LLV4P_M
ZOUT_S
GMA14_S
RRV4N_M
OPT_N
VCC_LCM_M
(+3.3V)
C1022
10uF
25V
RLV1P_M
RLV0P_S
LLV4N_M
VCOM_L_M
LLV5N_S
GOE
GMA4_M
LLV2P_M
GMA13_S
GMA9_S
LLV6N_S
RRV0P_S
RLVCLKP_M
LLV1P_M
LLV4N_S
RRV6P_M
GMA1_S
H_CONV
LLV0P_S
GMA7_S
POL_S
LRV2P_M
LRV1P_S
LLVCLKP_M
RRV2P_S
C1023
0.01uF
50V
0.01uF
50V
GMA4_M
GMA7_M
LRV0N_M
RRV5P_M
LLV0N_M
RLV1N_M
GMA10_S
C1015
10uF
16V
10uF
16V
GMA16_S
LRVCLKN_S
GMA18_M
RRV4P_S
ZOUT_M
C1014
10uF
25V
RRV1P_S
LLV5N_M
P1006
104060-8017
1
VDD
2
VDD
3
GND
4
VCC
5
VCC
6
GND
7
HVDD
8
HVDD
9
GND
10
OPT_N
11
VGL
12
GND
13
GOE
14
GSC
15
GND
16
VGH
17
GND
18
VCOM_OUT
19
GND
20
NC
21
ZOUT_S
22
G1
23
G3
24
G4
25
G5
26
G6
27
G7
28
G9
29
G10
30
G12
31
G13
32
G14
33
G15
34
G16
35
G18
36
GND
37
GND
38
POL
39
GND
40
SOE
41
H_CONV
42
OPTN
43
GND
44
LRV5-_S
45
LRV5+_S
46
LRV4-_S
47
LRV4+_S
48
LRV3-_S
49
LRV3+_S
50
GND
51
LRVCLK-_S
52
LRVCLK+_S
53
GND
54
LRV2-_S
55
LRV2+_S
56
LRV1-_S
57
LRV1+_S
58
LRV0-_S
59
LRV0+_S
60
GND
61
LLV5-_S
62
LLV5+_S
63
LLV4-_S
64
LLV4+_S
65
LLV3-_S
66
LLV3+_S
67
GND
68
LLVCLK-_S
69
LLVCLK+_S
70
GND
71
LLV2-_S
72
LLV2+_S
73
LLV1-_S
74
LLV1+_S
75
LLV0-_S
76
LLV0+_s
77
GND
78
SDA_S
79
SCL_S
80
WP_S
81
.
LRV4P_M
LLVCLKN_S
RLV6P_S
VCC_LCM_S
(+3.3V)
ZOUT_S
GMA5_S
GMA15_M
LLV2N_M
C1011
0.01uF
50V
0.01uF
50V
GMA16_M
C1007
0.01uF
50V
0.01uF
50V
HVDD_M
(+8V)
GMA12_M
C1018
10uF
25V
RLV5P_M
LRV6P_S
GMA15_S
HVDD_S
(+8V)
P1004
104060-8017
1
GND
2
LLV5-_M
3
LLV5+_M
4
LLV4-_M
5
LLV4+_M
6
LLV3-_M
7
LLV3+_M
8
GND
9
LLVCLK-_M
10
LLVCLK+_M
11
GND
12
LLV2-_M
13
LLV2+_M
14
LLV1-_M
15
LLV1+_M
16
LLV0-_M
17
LLV0+_M
18
GND
19
LRV5-_M
20
LRV5+_M
21
LRV4-_M
22
LRV4+_M
23
LRV3-_M
24
LRV3+_M
25
GND
26
LRVCLK-_M
27
LRVCLK+_M
28
GND
29
LRV2-_M
30
LRV2+_M
31
LRV1-_M
32
LRV1+_M
33
LRV0-_M
34
LRV0+_M
35
GND
36
OPT_N
37
H_CONV
38
GSP
39
POL
40
GND
41
SOE
42
GND
43
GND
44
G1
45
G3(P223)
46
G4(P191)
47
G5(P127)
48
G6(P63)
49
G7(P31)
50
G9(P0)
51
G10(N0)
52
G12(N31)
53
G13(N63)
54
G14(N127)
55
G15(N191)
56
G16(N223)
57
G18
58
GND
59
GND
60
NC
61
ZOUT_M
62
GND
63
VCOM_OUT
64
GND
65
GND
66
VGH
67
GND
68
GSC
69
GOE
70
GND
71
VGL
72
GND
73
HVDD
74
HVDD
75
GND
76
VCC
77
VCC
78
GND
79
VDD
80
VDD
81
.
LRV1N_S
RRV1N_S
VLCD_POWER
(+12V)
C1001
10uF
25V
10uF
25V
L1001
CIS21J121
C1002
10uF
25V
10uF
25V
P1001
12507WR-04L
1
2
3
4
5
RXACLKN
P1002
FI-RE51S-HFK-A
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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
RXB2P
RXA4P
RXA1N
RXA3N
RXB1P
RXA4N
RXB4P
RXA2N
L1002
MLB-201209-0120P-N2
RXA0N
RXA3P
RXB3N
RXB1N
RXACLKP
RXB4N
C1005
0.1uF
16V
0.1uF
16V
C1004
1000pF
50V
1000pF
50V
RXB3P
RXA2P
RXB0P
RXB2N
R1016
33
RXA0P
RXB0N
C1003
10uF
25V
10uF
25V
OPT
RXBCLKP
VLCD_POWER
(+12V)
RXBCLKN
R1015
33
RXA1P
I2C_SCL
+3.3V_FRC
R1001
10K
PANEL_CTL
R1007
2K
R1013
2K
I2C_CTL_TCON
R1005
0
OPT
C1031
22uF
10V
22uF
10V
OPT
+3.3V_FRC
I2C_SDA_MAIN
+3.3V_FRC
+3.3V_FRC
I2C_CTL_TCON
+3.3V_FRC
R1009
0
R1014
2K
OPT
R1002
2K
I2C_CTL_TCON
C1034
18pF
50V
18pF
50V
OPT
C1032
22uF
10V
22uF
10V
OPT
I2C_SCL_MAIN
I2C_SDA
R1006
2K
OPT
R1008
2K
OPT
C1033
18pF
50V
18pF
50V
OPT
R1011
0
OPT
Q1002
FDV301N
G
D
S
+3.3V_FRC
Q1001
2SC3052
2SC3052
E
B
C
R1003
0
+3.3V_FRC
R1012
2K
OPT
Q1003
FDV301N
G
D
S
I2C_SDA_MAIN
R1017
33
FRC_RESET
PANEL_CTL
I2C_SCL_MAIN
SCL_DEBUG
SDA_DEBUG
R1019
22
URSA5_DEBUG
R1018
22
URSA5_DEBUG
P1008
12507WR-03L
1
2
3
4
R1010
2K
I2C 2K
R1004
2K
I2C 2K
R1010-*1
4.7K
I2C 4.7K
R1004-*1
4.7K
I2C 4.7K
LVDS/mini-LVDS wafer
2010. 10. 05
10
GP3 72" IOL
[80Pin Mini-LVDS Connector]
= To S-PCB SLAVE LEFT
= To S-PCB SLAVE LEFT
[80Pin Mini-LVDS Connector]
= To S-PCB MASTER LEFT
= To S-PCB MASTER LEFT
[80Pin Mini-LVDS Connector]
= To S-PCB SLAVE RIGHT
= To S-PCB SLAVE RIGHT
[80Pin Mini-LVDS Connector]
= To S-PCB MASTER RIGHT
= To S-PCB MASTER RIGHT
11
If current of 12V is over 2A, use another power cable
[URSA5 51P LVDS input wafer]
DEBUGGING FOR URSA5
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.
11/04/06
Repeater power / Local dimming
MDS61887710
M7
GASKET_9.5T
MDS62110204
M2
GASKET_5.5T
MDS61887710
M8
GASKET_9.5T
MDS62110204
M1
GASKET_5.5T
MDS62110204
M3
GASKET_5.5T
MDS62110204
M4
GASKET_5.5T
MDS61887710
M5
GASKET_9.5T
MDS61887710
M6
GASKET_9.5T
L/DIM0_VS
L/DIM1_MOSI
P1101
12507WR-08L
1
2
3
4
5
6
7
8
9
L/DIM1_SCLK
L/DIM0_MOSI
L/DIM0_SCLK
R1107
47K
C1101
10uF
25V
10uF
25V
C1105
2200pF
C1103
0.1uF
16V
0.1uF
16V
IC1101
AOZ1073AIL-3
EAN60660502
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
+3.3V_Repeater
C1107
22uF
10V
22uF
10V
C1104
0.1uF
16V
OPT
C1102
10uF
25V
10uF
25V
R1110
10K
1%
R1105
24.9K
C1106
100pF
50V
OPT
L1102
3.6uH
R1106
18K
R1109
4.3K
1%
C1108
22uF
10V
22uF
10V
R1108
27K
1%
L1101
CIS21J121
VLCD_POWER
(+12V)
R1102
0
R1101
0
L/DIM0_SCLK_S
L/DIM0_MOSI_S
R1104
0
R1103
0
R1111
0
R1112
0
SMD GASKET 9.5T
SMD GASKET 5.5T
SMD GASKET
To LED Driver
R1
Distribution, 75MHz condition
MAX 1.96A
R2
Vout=0.8*(1+R1/R2)
+3.3V_LVDS Repeater
LEFT L/D
Right L/D
11
11