Read LG 32LG80FD (CHASSIS:LJ82C) 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.
R7
58
47
0K
R76
6
10
K
COMP1_SW
1:H7
R7
49
47
0K
D3.3V
COMP1_Pb
6:X12
GND
RGB_HS
6:X13
R7
3
8
5.
6K
COMP_R_IN_1
5:B2
RGB_G
6:X14
R764
22
R74
6
5.
6K
R7
3
7
5.
6K
C735
1uF
COMP1_Y
6:X13
/W_PROTECT
4:I3;6:B26;6:B23;D7
R775
4.7K
AV_R_IN_1
5:E2
C718 22pF
COMP2_Pb
6:X11
R7
35
47
0K
C703
100pF
R776
4.7K
S-VIDEO1_C
6:X11
S-VIDEO1_L
6:X11
JK704
PPJ200-07
3A
2A
4A
2B
5B
COMP2_SW
1:H7
COMP2_Y
6:X12
C734
1uF
MNT_L_OUT
6:AN29
RGB_R
6:X14
JK701
PMJ029-01
4A
[YL]CONTACT
2A
[YL]1P_CAN
3A
[YL]0_SPRING
2B
[WH]1P_CAN
5B
[WH]C_LUG_L
2C
[RD]1P_CAN
4C
[RD]CONTACT
3C
[RD]0_SPRING
6
[S-VHS]GROUND_TER
7A
[S-VHS]C_LUG_L1
7B
[S-VHS]C_LUG_L2
7C
[S-VHS]C_LUG_L3
7D
[S-VHS]C_LUG_L4
8
[S-VHS]0_SPRING
GND
C736
1uF
25
V
2012
R7
6
2
5.
6K
R760
470K
RGB_L_IN
5:B2
COMPOSITE1_SW
1:G6
C737
1uF
25
V
2012
RGB_VS
6:X13
D3.3V
GND
R74
8
5.
6K
+5.0V
GND
R7
57
47
0K
GND
R74
7
47
0K
COMP2_Pr
6:X12
COMP1_Pr
6:X12
R75
6
5.
6K
R763
22
DDC_SCL
4:E3
COMP_R_IN_2
5:F2
S-VIDEO1_SW
1:H7
GND
C717
22pF
GND
COMP_L_IN_2
5:F2
D3.3V
R7
6
1
5.
6K
RGB_SW
1:H5
JK703
PEJ024-01
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
GND
COMPOSITE1_IN
6:X9
R773
22
RGB_R_IN
5:B2
AV_L_IN_1
5:E2
C724
0.1uF
C702
100pF
COMP_L_IN_1
5:B3
R75
3
47
0K
MNT_R_OUT
6:AN28
R75
2
5.
6K
D3.3V
DDC_SDA
4:E3
GND
GND
R777
1K
RGB_B
6:X13
D3.3V
R76
5
10
K
+5.0V
R774
22
GND
R759
470K
R741
0
R755
0
R740
0
R736
75
R734
75
R739
75
GND
C708
27pF
C705
27pF
C709
27pF
C704
27pF
C707
27pF
C706
27pF
R798
75
R794
75
R750
75
C715
27pF
C714
27pF
C710
27pF
C713
27pF
C711
27pF
C712
27pF
R745
75
R743
75
R744
75
C720
100pF
C719
100pF
IC701
AT24C02BN-10SU-1.8
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC702
CM2021-00TR
READY
26
NC4
27
TMDS_D0-
28
TMDS_GND6
29
NC5
30
TMDS_D1-
31
TMDS_GND5
32
NC6
33
TMDS_D2-
34
TMDS_GND4
35
NC7
36
GND1
17
DDC_CLK_IN
3
GND0
6
NC0
16
CE_REMOTE_IN
15
NC3
14
TMDS_GND3
13
TMDS_CK+
12
NC2
11
TMDS_GND2
10
TMDS_D0+
9
NC1
8
TMDS_GND1
7
TMDS_D1+
4
TMDS_D2+
5
TMDS_GND0
2
3.3V_SUPPLY
21
DDC_DAT_OUT
1
5V_SUPPLY
20
HOTPLUG_DET_OUT
19
HOTPLUG_DET_IN
18
DDC_DAT_IN
23
CE_REMOTE_OUT
24
TMDS_CK-
25
TMDS_GND7
22
DDC_CLK_OUT
37
TMDS_VDD
38
NC8
TMDS0_RX1+
+5.0V
SDA_HDMI_0_EEPROM
TMDS0_RX2-
TMDS0_RXC-
SCL_HDMI_0
R714
0
C723
0.01uF
TP710
VR7
01
10V
R711
0
R720
0
R715
0
R722
22
TMDS0_RX2+
TP709
SDA_HDMI_0
TP714
TMDS0_RX0-
HDMI_CEC
GND
VR
70
2
10V
R709
0
GND
HDMI_HPD_0
TMDS0_RX0+
SCL_HDMI_0_EEPROM
R713
0
TP711
GND
+3.3V
R712
0
R708
0
TMDS0_RX1-
GND
TP712
R727
1K
R710
0
TMDS0_RXC+
GND
VR7
00
TP
71
3
HDMI_POWER_0
R701
6.8K
C721
0.1uF
16V
R705
15K
R702
1K
R771
1K
GND
C71
6
0.
1u
F
16
V
R772
22
+9V
R767
1K
R703
22
R770
6.8K
GND
R768
22
R769
15K
C722
10uF
10uF
16V
GND
R700
15K
R704
6.8K
GND
C729
10uF
16V
C739
OPT
R779
75
R786
OPT
R780
75
R787
OPT
C738
OPT
C730
10uF
16V
C740
OPT
R784
0
C731
10uF
16V
R785
OPT
R783
0
GND
R781
75
R782
0
GND
GND
SCL_HDMI_0_EEPROM
I7
C742
0.1uF
R78
8
1K
+5.0V
GND
/W_PROTECT
4:I3;6:B26;6:B23;J3
R791
4.7K
GND
GND
R793
4.7K
SDA_HDMI_0_EEPROM
I7
HDMI_POWER_0
1:H7;I7
+5.0V
GND
C741
0.1uF
IC700
AT24C02BN-10SU-1.8
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R716
0
R717
0
AV_L_IN_2
C747
330pF
50V
READY
C725
0.1uF
16V
COMPOSITE2_IN
COMPOSITE2_SW
R729
1K
AV_R_IN_2
R707 470K
R731
75
R723
470K
JK707
PPJ218-01
5C
[RD]CONTACT
2C
[RD]U_CAN
4C
[RD]O_SPRING
2B
[WH]U_CAN
3B
[WH]C_LUG
2A
[YL]U_CAN
5A
[YL]CONTACT
4A
[YL]O_SPRING
3.3VST_MICOM
BSS83
Q702
READY
S
B
D
G
R719
27K
READY
HDMI_CEC_1
R724
0
R721
0
READY
D3.3V
JK700
RCA-517HA-00A-01
4A
[GN]CONTACT
2A
[GN]1P_CAN
3A
[GN]O_SPRING
2B
[BL]1P_CAN
5B
[BL]C_LUG_L
2C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2D
[WH]1P_CAN
5D
[WH]C_LUG_L
2E
[RD]1P_CAN2
4E
[RD]CONTACT
3E
[RD]O_SPRING
JK702
RCA-517HA-00A-01
4A
[GN]CONTACT
2A
[GN]1P_CAN
3A
[GN]O_SPRING
2B
[BL]1P_CAN
5B
[BL]C_LUG_L
2C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2D
[WH]1P_CAN
5D
[WH]C_LUG_L
2E
[RD]1P_CAN2
4E
[RD]CONTACT
3E
[RD]O_SPRING
Q700
RT1N141C-T112-1
E
B
C
Q705
RT1N141C-T112-1
E
B
C
Q703
2SC3052
E
B
C
Q704
2SC3052
E
B
C
Q701
2SC3052
E
B
C
D700
ENKMC2838-T112
A1
C
A2
ZD738 5.1V
ZD741 5.1V
ZD737 5.1V
ZD739 5.1V
ZD711
5.1V
ZD708
5.1V
ZD702
5.1V
ZD715
5.1V
ZD701
5.1V
ZD712
5.1V
ZD710
5.1V
ZD709 5.1V
ZD714
5.1V
ZD707
5.1V
ZD713
5.1V
ZD700 5.1V
ZD704
5.1V
ZD716
5.1V
ZD718
5.1V
ZD705 5.1V
ZD706
5.1V
ZD717
5.1V
ZD703
5.1V
ZD
7
1
9
5.
1
V
ZD
7
2
0
5.
1V
ZD721
5.1V
ZD723
5.1V
ZD722
5.1V
ZD729
5.1V
ZD724
5.1V
ZD725
5.1V
ZD726
5.1V
ZD727
5.1V
ZD728
5.1V
ZD731 5.1V
ZD730 5.1V
ZD732
5.1V
ZD733
5.1V
ZD734
5.1V
C727
1uF
C726
1uF
C750
100pF
C749
100pF
R733
5.6K
R795
5.6K
ZD736 5.1V
ZD735 5.1V
ZD740 5.1V
ZD742 5.1V
ZD743 5.1V
ZD744
5.1V
C728
100pF
C743
100pF
C744
100pF
C745
100pF
R797
0
R792
4.7K
R754
4.7K
R725
4.7K
R751
4.7K
R778
4.7K
R742
4.7K
JP731
JP734
JP737
JP738
JP732
JP735
JP736
JP733
JP724
JP725
JP723
JP722
TP701
TP702
TP703
TP704
TP705
TP706
TP707
TP708
TP715
TP716
T
P717
TP718
T
P719
TP720
TP721
TP723
TP722
TP724
TP726
TP725
TP727
TP728
C700
1uF
C733
1uF
C732
1uF
C701
1uF
TP729
TP730
TP731
TP732
TP733
TP734
TP735
TP736
TP737
TP738
TP739
TP740
TP741
TP742
TP743
TP744
TP745
TP746
TP747
TP748
TP749
TP750
TP751
TP752
TP753
TP754
TP755
TP756
TP757
TP758
TP759
TP760
TP761
TP762
TP763
TP764
TP765
TP766
TP767
TP768
TP769
TP770
TP771
TP772
TP773
TP774
TP775
P70
1
KCN
-D
S-
1-
00
89
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R789
100
R790
100
L700
CM2012FR27KT
L701
CM2012FR27KT
L702
CM2012FR27KT
L704
CM2012FR27KT
L705
CM2012FR27KT
L706
CM2012FR27KT
JK705
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
L703
TP776
TP779
TP780
TP781
TP782
TP783
TP784
TP785
TP786
TP787
TP788
TP789
TP790
TP791
TP7038
TP792
TP793
TP794
TP795
TP796
TP797
TP798
TP799
TP7000
TP7001
TP7002
TP7003
TP7004
TP7005
TP7006
TP7007
TP7008
TP7009
TP7010
TP7011
TP7012
TP7013
TP7014
TP7015
TP7016
TP7017
TP7018
TP7019
TP7020
TP7021
TP7022
TP7023
TP7024
TP7025
TP7026
TP7028
TP7029
TP7030
TP7031
TP7033
TP7034
TP7035
TP7036
TP7039
TP7037
INPUT CONNECTOR
7
LJ82C
12
HDMI SIDE JACK
RGB
EEPROM FOR HDMI SIDE
VERTICAL S VIDEO & AV JACK
Side AV
2008.04.04
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