LG 32LG80FD (CHASSIS:LJ82C) 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.
IC811
AZ1117H-2.5TR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
TU_+2.5V
C814
10uF
TU_+5.0V
C834
100uF
16V
C828
0.1uF
16V
+9V
+12.0V
C863
0.1uF
16V
C847
0.1uF
16V
C840
0.1uF
16V
IC806
AZ1117H-3.3
2
OUTPUT
3
INPUT
1
ADJ/GND
IC807
AZ1117H-1.8TRE1(EH13A)
2
OUTPUT
3
INPUT
1
ADJ/GND
C877
47uF
16V
GND
+5.0V
+5.0V
C868
4.7uF
6.3V
C861
0.1uF
16V
C865
0.01uF
25V
+1.8V
5:F5
C841
0.1uF
16V
A2.6V
C838
0.1uF
16V
+3.3V
C874
47uF
16V
C839
0.1uF
16V
C842
0.1uF
16V
A3.3V
C882
0.1uF
16V
C858
47uF
16V
C870
47uF
16V
C851
0.1uF
16V
C866
0.1uF
16V
R841
15K
GND
C878
0.1uF
16V
R845
1K
+5.0V
D3.3V
POWER_CTL_3.3V
4:H2
C880
0.01uF
25V
R842
8.2K
C881
4.7uF
6.3V
R839
1K
A3.3V
TP812
TP811
LD800
PV
A2[
G N
]
C
A1
[R
D]
IC803
SC156515M-1.8TR
2
VIN
1
EN
3
GND
5
ADJ
4
VO
C854
100uF
16V
R818
0
NON_CMO
R817
0
CMO
R824
0
P_+16V
5:E5
VBR_A
1:H6
GND
C849
1uF
16V
1608
GND
AC_DET
4:I3
GND
JP
8
0
2
C825
100uF
16V
GND
C811
10uF
25V
SANYO
C859
1uF
Q802
SI4925BDY
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
GND
R829
22
R827
0
C826
0.1uF
16V
GND
P800
SMW200-24C
19
POWER ON
14
GND
9
5V
4
GND
18
ACD
13
GND
8
GND
3
GND
17
ERROR OUT
12
5V
7
GND
2
16V
16
AGND
11
5V
6
12V
1
16V
20
INVERTER ON
15
GND
10
5V
5
12V
21
A. DIM
22
PWM DIM
23
SELECT
24
SYNC
JP803
INV_ON/OFF
4:J7
R836
47K
R822
10K
READY
+12.0V
RL_ON
4:I3;D7
GND
GND
VBR_B
1:H6;C6
R810
0
READY
ST_5V
C862
0.01uF
C857
47uF
JP
8
0
1
R826
0
NON_CMO
+5.0V
GND
ST_5V
JP810
C802
0.1uF
16V
C860
0.1uF
RL_ON
4:I3;A6
GND
C813
0.1uF
READY
R8
23
0
READY
VBR_B
1:H6;A7
5V_MNT
4:G5
GND
R819
0
CMO
GND
GND
C809
0.1uF
NON_CMO
C884
0.1uF
50V
C883
0.1uF
50V
C815
0.1uF
50V
C816
100uF
25V
C817
22uF
IC801
AS7809DTRE1
2
GND
3
OUTPUT
1
INPUT
Q801
2SC3052
E
B
C
R821
100K
NON_CMO
R820
1K
C885
8200pF
50V
+5.0V
R8011
22
R8002
12K
1/10W
1%
D1.2V
C894
33uF
10V
C896
33uF
10V
C890
0.1uF
R8005
22
C8000
0.1uF
16V
C886
560pF
50V
R8000
27K
1%
L820
10uH
R8008
15K
1%
C8004
33uF
10V
R8003
12K
R8004
10
C899
100uF
16V
+5.0V
C889
0.1uF
16V
R8010
10
R8007
6.34K
1%
C887
1000pF
50V
A1.2V
IC809
BD9132MUV
1
SW_1
3
SW_3
7
PVCC_2
9
BST
10
VCC
11
GND
12
ADJ
13
ITH
14
NC_1
15
NC_2
16
NC_3
17
EN
18
PGND_1
19
PGND_2
20
PGND_3
5
SW_5
8
PVCC_3
6
PVCC_1
4
SW_4
2
SW_2
C897
1000pF
IC810
BD9132MUV
1
SW_1
3
SW_3
7
PVCC_2
9
BST
10
VCC
11
GND
12
ADJ
13
ITH
14
NC_1
15
NC_2
16
NC_3
17
EN
18
PGND_1
19
PGND_2
20
PGND_3
5
SW_5
8
PVCC_3
6
PVCC_1
4
SW_4
2
SW_2
D2.6V
C8006
33uF
10V
A2.6V
C8001
0.1uF
C895
0.1uF
L821
NFE31PT222Z1E9L
OUT
IN
GND
R8009
12K
C898
1000pF
50V
R8001
100
1%
1/10W
R8006
2K
C8005
0.1uF
C888
100uF
16V
L823
10uH
POWER_CTL_2.6V_1.2V
4:G2
POWER_CTL_1.2V_ONLY
4:I4
C8007
0.1uF
C8008
33uF
10V
+1.2V
C8009
0.1uF
+3.3V_HDMI
C8010
33uF
10V
+3.3V
R837
470
C845
4.7uF
10V
C844
4.7uF
10V
C819
0.1uF
50V
C820
0.1uF
50V
JP809
JP804
JP808
JP807
JP806
JP805
TP807
TP808
TP809
TP813
TP814
TP816
TP817
C829
0.1uF
16V
IC802
AS7809DTRE1
2
GND
3
OUTPUT
1
INPUT
+12.0V
C824
0.1uF
50V
TP801
C848
0.01uF
25V
C833
0.33uF
16V
C846
0.1uF
C835
0.1uF
16V
C843
47uF
16V
TU_+5.0V
C830
1uF
25V
C827
1uF
25V
R805
1K
IC804
KIA78R05F
1
VIN
2
VC
3
VOUT
4
NC
5
GND1
6
GND2
TP802
TP840
TP841
TP842
TP843
TP844
TP845
TP846
TP847
TP848
TP849
TP850
TP851
TP852
TP853
TP855
TP856
TP857
TP858
TP859
TP861
TP860
TP862
TP885
TP864
TP865
TP866
TP867
TP868
TP869
TP886
TP887
TP871
TP872
TP870
TP873
TP874
TP875
TP876
TP877
TP878
TP879
TP880
TP881
TP882
TP883
TP884
D1.2V
C831
47uF
16V
R835
10K
L812
BG2012B800
L816
BG2012B800
RF_SWITCH_CTRL
1:G6
R809
0
R814
4.7K
READY
D3.3V
GAIN_S/W
1:H5
R813
0
C803
0.1uF
C864
0.01uF
TU_+5.0V
C804
22uF
L802
TP806
C869
0.1uF
TU_+2.5V
C808
4.7uF
TP825
L809
C871
0.1uF
D3.3V
C810
4.7uF
L810
TP826
SYS_RESETb
1:E2;2:B3;4:B6;11:O11
R811
22
R812
22
READY
TUNER_RESETb
1:H5
C873
0.1uF
C807
4.7uF
+1.2V
TP824
L811
R846
22
SCL0_3.3V
1:I4
TP829
SDA0_3.3V
1:I4
TP828
R899
22
TP839
TP800
R828
330
TP836
D805
SAM2333
PV
A2[GN]
C
A1[RD]
D806
SAM2333
PV
A2[GN]
C
A1[RD]
D3.3V
R825
1K
TP837
R802
0
TP835
TP830
TU2BCM3553_SYNC
1:A7
R803
22
R804
22
TU2BCM3553_SDATA
1:A7
R853
33
TP834
TP833
TU2BCM3553_SCLK
1:A7
R895
OPT
READY
R808
470
R894
10K
Q800
2SA1530A-T112-1R
E
B
C
R893
12K
TP810
C806
0.01uF
C801
0.01uF
TP803
TU_+5.0V
TP804
TP805
SIF
6:X7
TP832
TP831
R800
0
L801
R806
0
READY
TP818
TP819
C8
6
7
0.
1uF
IC808
FMS6400CS1X
3
GND
2
ASEL
4
CIN
1
YIN
5
COUT
6
CVOUT
7
VCC
8
YOUT
R807
56
TP820
R852
4.7K
READY
R847
0
READY
TU_CVBS
6:X9
TP821
TP822
R897
18
R848
0
READY
TP823
C818
0.1uF
GND
TP815
TU_+5.0V
TP827
R801
82
READY
L800
L8
13
L814
L824
L825
L826
L819
CB3216PA501E
L822
CB3216PA501E
TU800
VA1G5BF8005
14
RSEORF
13
SCL
5
AFT
12
SDA
11
RESET
2
GAIN_SW
10
B4
4
B1
1
RF_SW
17
SRDT
9
B3
8
B2
3
BB
16
SPBVAL
7
VIDEO
6
SIF
15
SBYTE
18
SRCK
19
SHIELD
C891
22uF
C892
22uF
C893
22uF
16V
C8002
22uF
C8011
22uF
C8003
22uF
16V
TP888
TP889
TP890
TP891
TP892
TP893
TP894
TP895
TP896
TP897
TP898
TP899
TP8000
TP8001
TP8002
TP8003
TP8004
TP8005
TP8006
TP8007
TP8008
TP8009
TP8010
TP8011
TP8012
TP8013
TP8014
TP8015
TP8016
TP8017
TP8018
TP8019
TP8020
TP8021
TP8022
TP8023
TP8024
TP8025
TP8026
TP8027
TP8028
C8012
2200pF
50V
C8013
2200pF
50V
C800 1uF
6.3V
TUNER, POWER
8
LJ82C
12
S_Inv14_GND Select Model
37" Vitiaz3
26"42" AUO
R1
Vcc filter for Soft start
(R2/R1+1)*0.8=Vout
R2
R2
SWITCHING REGULATOR for 1.2V
R1
Vcc filter for Soft start
SWITCHING REGULATOR for 2.6V
2008.04.04
Place close to Pin
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.
+12.0V
P901
GIL-G-03-S3T2
DAC
1
2
3
R918
22
R921
0
R905
22
READY
R928
0
READY
LVDS_TX_OUT_TA1+
R923
0
FHD
+3.3V
R919
0
READY
LVDS_TX_OUT_TA2-
Q903
SI4925BDY
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
R917
0
READY
R915
0
R909
0
FHD
GND
LVDS_TX_OUT_TB4+
+3.3V
LVDS_TX_OUT_TA2+
TP901
R925
0
R900
1K
LVDS_TX_OUT_TB3-
LVDS_TX_OUT_TB0+
R906
0
LVDS_TX_OUT_TB4-
LVDS_TX_OUT_TA0+
R910
0
FHD
LVDS_TX_OUT_TA3-
R930
0
READY
LVDS_TX_OUT_TA3+
LVDS_TX_OUT_TAC-
LVDS_TX_OUT_TA4-
R901
47K
R907
0
R903
4.7K
NON_CMO
LVDS_PANEL_CTRL
4:I4
LVDS_TX_OUT_TB0-
+12.0V
LVDS_TX_OUT_TA4+
R922
0
FHD
R913
0
R929
0
FHD
LVDS_TX_OUT_TBC-
C900
1uF
25V
READY
P900
SMW200-26C
HD
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
25
26
R920
22
GND
R926
0
R904
1K
CMO
R912
0
READY
GND
R911
0
FHD
R916
0
R908
0
FHD
LVDS_TX_OUT_TA1-
R927
0
LVDS_TX_OUT_TAC+
LVDS_TX_OUT_TB1+
LVDS_TX_OUT_TB1-
LVDS_TX_OUT_TB3+
LVDS_TX_OUT_TBC+
LVDS_TX_OUT_TB2+
R924
0
FHD
GND
R914
0
LVDS_TX_OUT_TB2-
R931
4.7K
CMO
LVDS_TX_OUT_TA0-
TP900
C901
1uF
25V
C903
47uF
25V
P902
SMW200-40C
FHD
19
RD-
14
RB+
9
SCL
4
VCC
18
RCLK+
13
RB-
8
GND
3
VCC
17
RCLK-
12
RA+
7
GND
2
VCC
16
RC+
11
RA-
6
GND
1
VCC
20
RD+
15
RC-
10
SDA
5
GND
21
RE-
22
RE+
23
SCL_part
24
SDA_part
25
LVDS_Select
26
GND
27
RO0-
28
RO0+
29
RO1-
30
RO1+
31
RO
2
-
32
RO
2
+
33
RO
CL
K
-
34
RO
CL
K
+
35
RO
3
-
36
RO
3
+
37
RO
4
-
38
RO
4
+
39
D
i
sp
l
a
y_
E
n
40
G
N
D
_
S
h
ie
ld
R902
47K
C905
8200pF
50V
Q902
2SC3052
E
B
C
TP902
TP903
TP904
TP905
TP906
TP907
TP908
TP909
TP910
TP911
TP912
TP913
TP914
TP915
TP916
TP917
TP918
TP919
TP920
TP921
TP922
TP923
TP924
TP925
TP926
TP927
TP928
TP929
TP930
TP931
TP932
TP933
GND
R932
4.7K
READY
+3.3V
R933
0
L900
TP934
TP935
TP936
TP937
TP938
TP939
LVDS
9
LJ82C
12
LOW
32"CMO
High
52"Sharp
26"AUO
42"AUO
2008.04.04
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.
BCM7411_DVI_OUT[1]
BCM7411_DVI_OUT[4]
BCM7411_DVI_OUT[5]
BCM7411_DVI_OUT[7]
BCM7411_DVI_OUT[8]
BCM7411_DVI_OUT[9]
BCM7411_DVI_OUT[10]
BCM7411_DVI_OUT[11]
BCM7411_DVI_OUT[0]
BCM7411_DVI_OUT[2]
BCM7411_DVI_OUT[3]
BCM7411_DVI_OUT[6]
BCM7411_DVI_OUT2[6]
BCM7411_DVI_OUT2[10]
BCM7411_DVI_OUT2[13]
BCM7411_DVI_OUT2[14]
BCM7411_DVI_OUT2[18]
BCM7411_DVI_OUT2[19]
BCM7411_DVI_OUT2[22]
BCM7411_DVI_OUT2[23]
BCM7411_DVI_OUT2[26]
BCM7411_DVI_OUT2[5]
BCM7411_DVI_OUT2[7]
BCM7411_DVI_OUT2[9]
BCM7411_DVI_OUT2[12]
BCM7411_DVI_OUT2[16]
BCM7411_DVI_OUT2[17]
BCM7411_DVI_OUT2[20]
BCM7411_DVI_OUT2[24]
BCM7411_DVI_OUT2[25]
BCM7411_DVI_OUT2[3]
BCM7411_DVI_OUT2[4]
BCM7411_DVI_OUT2[8]
BCM7411_DVI_OUT2[11]
BCM7411_DVI_OUT2[15]
BCM7411_DVI_OUT2[21]
BCM7411_DVI_OUT2[27]
BCM7411_DVI_OUT2[28]
BCM7411_DVI_OUT2[29]
BCM7411_DVI_OUT2[0]
BCM7411_DVI_OUT2[1]
BCM7411_DVI_OUT2[2]
BCM7411_DVI_OUT[13]
BCM7411_DVI_OUT[14]
BCM7411_DVI_OUT[15]
BCM7411_DVI_OUT[12]
BCM7411_DVI_OUT[16]
BCM7411_DVI_OUT[17]
BCM7411_DVI_OUT[18]
BCM7411_DVI_OUT[19]
CPLD_TCK
AC16
CPLD_TMS
AC15
CPLD_TDI
AC14
BCM7411_DVI_OUT[0-19]
10:BA22
BCM7411_DVI_CLK
10:BB24
CPLD_TDO
AC15
BCM7411_DVI_VSYNC2
1:A3
BCM7411_DVI_HSYNC2
1:A3
SYS_RESETb
1:E2;2:B3;4:B6;8:A3
BCM7411_DVI_VSYNC
10:BB24
BCM7411_DVI_CLK2
1:A4
BCM7411_DVI_DE2
1:A4
D3.3V
C1100
0.1uF
C1101
0.1uF
C1103
0.1uF
C1102
0.1uF
BCM7411_DVI_HSYNC
10:BB24
C1104
0.1uF
C1105
0.1uF
C1106
0.1uF
C1107
0.1uF
R1100
33
R1101
33
R1102
33
BCM7411_DVI_OUT2[0-29]
1:A4;1:I5
IC1107
EPM240F100C5N
C2
B1_IO_1
B1
B1_IO_2
C1
B1_IO_3
D3
B1_IO_4
D2
B1_IO_5
D1
B1_IO_6
E3
B1_IO_7
E4
B1_VCCIO1_1
D5
B1_GNDIO_1
E6
GNDINT_1
E2
B1_IO_11/GCLK0
E7
VCCINT_1
E1
B1_IO_13/GCLK1
F2
B1_IO_14
F3
B1_IO_15
F1
B1_IO_16
G1
B1_IO_17
H1
B1_IO_18
G2
B1_IO_19
G3
B1_IO_20
J1
B1_TMS
H2
B1_TDI
H3
B1_TCK
J2
B1_TDO
K1
B1_IO_25
J3
B1_IO_26
K2
B1_IO_27
K3
B1_IO_28
H4
B1_IO_29
G4
B1_VCCIO1_2
D7
B1_GNDIO_2
J4
B1_IO_32
K4
B1_IO_33
J5
B1_IO_34
K5
B1_IO_35
H5
B1_IO_36
K6
B1_IO_37
H6
B1_IO_38
J6
B1_IO_39
K7
B1_IO_40
K8
B1_IO_41
J7
B1_IO_42/DEV_OE
K9
B1_IO_43/DEV_CLRn
G6
B1_VCCIO1_3
E5
B1_GNDIO_3
H7
B1_IO_46
J8
B1_IO_47
H8
B1_IO_48
K10
B1_IO_49
J9
B1_IO_50
H9
B2_IO_51
J10
B2_IO_52
H10
B2_IO_53
G8
B2_IO_54
G9
B2_IO_55
G10
B2_IO_56
F10
B2_IO_57
D4
B2_VCCIO2_1
F6
B2_GNDIO_4
F9
B2_IO_60
F8
B2_IO_61/GCLK2
F4
VCCINT_2
E10
B2_IO_63/GCLK3
F5
GNDINT_2
E9
B2_IO_65
E8
B2_IO_66
D10
B2_IO_67
C10
B2_IO_68
D9
B2_IO_69
D8
B2_IO_70
B10
B2_IO_71
C9
B2_IO_72
C8
B2_IO_73
B9
B2_IO_74
A10
B2_IO_75
A9
B2_IO_76
B8
B2_IO_77
G5
B2_GNDIO_5
D6
B2_VCCIO2_2
A8
B2_IO_80
C7
B2_IO_81
B7
B2_IO_82
A7
B2_IO_83
A6
B2_IO_84
B6
B2_IO_85
A5
B2_IO_86
C6
B2_IO_87
B5
B2_IO_88
C5
B2_IO_89
A4
B2_IO_90
B4
B2_IO_91
G7
B2_GNDIO_6
F7
B2_VCCIO2_3
C4
B2_IO_94
A3
B2_IO_95
A2
B2_IO_96
B3
B2_IO_97
C3
B2_IO_98
A1
B2_IO_99
B2
B2_IO_100
JP1100
CPLD_TDI
I15
CPLD_TMS
I15
JP1105
GND
JP1104
CPLD_TCK
I15
C1109
0.1uF
JP1103
D3.3V
R1103
10K
JP1102
R1106
10K
R1107
10K
P1100
GIL-G-06-S3T2
1
2
3
4
5
6
JP1101
CPLD_TDO
I15
C1108
100pF
GND
TP1101
TP1102
11
CPLD
LJ82C
2008.04.04
12
CPLD Program I/F
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