Read LG 32LH35FD (CHASSIS:LJ91A) Service Manual online
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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.
2009.01.20
VIDEO EXT.INPUT
BRAZIL DVR DV
RGB_HSYNC
RGB_VSYNC
D3.3V
R705
5.1
L708
120ohm
BG1608B121F
R768
4.7K
DDC_SDA
12:E4
PC_R_IN
5:J4
L709-*1
0
RGB_0OHM
C706
0.1uF
0.1uF
AV1_L_IN
5:E2
SIDE_CVBS_IN
5:G4
D734
5.6V
ADMC5M03200L
C734
100pF
D712
5.5V
ADLC 5S 03 015
Q702
2SC3052
2SC3052
US_Commercial
E
B
C
C759
47pF
47pF
C705
0.1uF
D705
5.6V
ADMC5M03200L
R706
15
C735
27pF
C745
1uF
25V
R749
5.1
L706
270nH
C714
100pF
G_VID_INCM
3:T15
/W_PROTECT
12:J4
AV1_CVBS_INCM
3:T19
D729
5.6V
ADMC5M03200L
C763
1uF
25V
COMP2_Y
11:M17
JP718
Q701
2SC3052
2SC3052
OPT
E
B
C
L704
270nH
D726
30V
ADUC30S03010L
C738
100pF
L710
120ohm
BG1608B121F
D3.3V
R772
22
R732
470K
470K
R743
220
JP734
C727
27pF
RGB_SW
9:H6
D720
5.6V
ADMC5M03200L
IC703
M24C02-RMN6T
3
E2
2
E1
4
VSS
1
E0
5
SDA
6
SCL
7
WC
8
VCC
R751
100
COMP1_Y
11:M18
R709
4.7K
R719
100
OPT
C710
22uF
16V
22uF
16V
C733
47pF
D711
30V
ADUC30S03010L
C711
47pF
47pF
OPT
D721
5.5V
ADLC 5S 03 015
COMP2_Pr
11:M17
R713
4.7K
L705
270nH
COMP1_INCM
3:T24
R718
100
OPT
R763
10K
R744
15
15
C768
100pF
C720
1uF
25V
R724
10K
10K
OPT
1/16W
5%
5%
SIDE_INCM
3:T18
C736
27pF
AV1_R_IN
5:E2
R_VID_INCM
3:T15
R701
75
R769
470K
470K
COMP2_Pb
11:M16
IR
12:D4;14:U23
D3.3V
R764
1K
L702
270nH
D722
5.6V
ADMC5M03200L
C724
27pF
D733
ENKMC2838-T112
A1
C
A2
JP730
R723
0
0
C761
4700pF
D3.3V
R778
1K
+5.0V_ST
R736
2.7K
RGB_R
11:M19
COMP2_INCM
3:T22
D715
5.5V
ADLC 5S 03 015
COMP1_VID_INCM
11:M17
C743
27pF
C729
1uF
25V
D704
5.6V
ADMC5M03200L
C752
100pF
L701
BLM18PG121SN1D
COMP1_Pb
11:M18
R756
15
15
D703
5.5V
ADLC 5S 03 015
C753
0.1uF
PC_INCM
3:T14
R777
2.7K
R721
470K
470K
COMP1_R_IN
5:H3
JK705
KCN-DS-1-0088
1
2
3
4
5
6
7
8
9
10
JK704
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
D732
5.5V
ADLC 5S 03 015
R771
0
OPT
R774
0
OPT
R773
0
JK701
KCN-DS-1-0089
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
RGB_VS
11:K10
R739
3.3K
US_Commercial
+5.0V
RGB_G
11:M19
R754
15
15
IC702
74F08D
3
Q0
2
D0B
4
D1A
1
D0A
6
Q1
5
D1B
7
G
N
D
8
Q
2
9
D2A
10
D2B
11
Q3
12
D3A
13
D3B
14
VCC
C762
0.1uF
D710
5.6V
ADMC5M03200L
JP720
D713
30V
ADUC30S03010L
R710
100
R766
22
C760
0.1uF
BCM_SPDIF_OUT
11:W20
D707
5.6V
ADMC5M03200L
R770
470K
470K
D709
5.6V
ADMC5M03200L
AV1_CVBS_IN
5:E2
C731
1uF
25V
C748
27pF
TP4
RS232C_TxD
14:X7
D731
5.5V
ADLC 5S 03 015
C767
100pF
C703
0.1uF
R753
1K
D724
30V
ADUC30S03010L
R707
2.7K
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
COMP2_VID_INCM
11:M16
DDC_SCL
12:E5
D3.3V
COMPOSITE1_SW
9:H5
JP729
R761
22
R726
100
D730
5.6V
ADMC5M03200L
R748
470K
470K
D718
5.5V
ADLC 5S 03 015
+3.3V_ST
C747
100pF
R750
2.7K
D701
5.6V
ADMC5M03200L
JP732
C757
47pF
47pF
C751
100pF
RGB_HS
11:K10
R745
15
15
SIDE_R_IN
5:J4
C749
27pF
C766
100pF
COMP1_L_IN
5:H3
D717
5.5V
ADLC 5S 03 015
R759-*1
1K
1K
RGB_HV_1K
R741
15
15
C717
220pF
220pF
R740
1K
R737
100
C750
27pF
R735
100K
US_Commercial
RGB_B
11:M18
L708-*1
0
RGB_0OHM
D725
30V
ADUC30S03010L
C712
1uF
25V
PC_L_IN
5:J4
R755
15
15
R722
470K
470K
C702
0.1uF
D727
30V
ADUC30S03010L
R704
100
D714
5.5V
ADLC 5S 03 015
JK700
PPJ227-01
9N
[GN]E-LUG
5K
[GN]O-SPRING-L
6K
[GN]CONTACT-L
4E
[GN]O-SPRING-S
3E
[GN]CONTACT-S
9M
[BL]E-LUG
7J
[BL]C-LUG-L
8D
[BL]C-LUG-S
9L
[YL]E-LUG
4L
[YL]O-SPRING-S
3L
[YL]CONTACT-S
7H
[RD]C-LUG-L
8C
[RD]C-LUG-S
9G
[WH]E-LUG
8M
[WH]C-LUG-S_1
7G
[WH]C-LUG-L
8B
[WH]C-LUG-S_2
9F
[RD]E-LUG
4N
[RD]O-SPRING-S_1
3N
[RD]CONTACT-S_1
5F
[RD]O-SPRING-L
6F
[RD]CONTACT-L
4A
[RD]O-SPRING-S_2
3A
[RD]CONTACT-S_2
D716
5.6V
ADMC5M03200L
C723
27pF
R775
100
R716
0
0
D723
30V
ADUC30S03010L
R734
5.1
TP3
R712
2.7K
COMP1_Pr
11:M18
COMP2_SW
9:H4
C739
100pF
+5.0V_ST
R738
100
R730
470K
470K
C718
220pF
C701
0.1uF
SIDE_L_IN
5:J4
B_VID_INCM
3:T15
D3.3V
JK702
JST1223-001
1
GND
2
VCC
3
VINPUT
4
F
I
X
_
P
O
L
E
COMPOSITE2_SW
9:H6
L703
270nH
R702
470K
470K
C719
1uF
25V
C741
27pF
C721
100pF
C704
0.1uF
R720
1K
R776
100
R733
100K
100K
US_Commercial
C722
100pF
R714
100
R762
10K
COMP2_L_IN
5:H3
C737
27pF
L707
270nH
L710-*1
0
RGB_0OHM
C716
47pF
47pF
50V
OPT
R729
75
+5.0V_ST
L709
120ohm
BG1608B121F
C708
100pF
C715
100pF
+5.0V
C742
27pF
R711
1K
R725
100
R761-*1
1K
1K
RGB_HV_1K
COMP1_SW
9:H4
D719
5.6V
ADMC5M03200L
C764
1uF
25V
AV1_INCM 3:T20
SIDE_CVBS_INCM
3:T19
R727
3.3K
OPT
JP722
TP1
R715
15
D708
5.6V
ADMC5M03200L
TP2
R752
100
R708
470K
470K
C713
100pF
R717
0
0
TP5
R765
4.7K
TP7
R728
5.1
C758
47pF
47pF
R759
22
R742
220
D706
5.5V
ADLC 5S 03 015
R767
5.1
JP721
R747
470K
470K
R703
100
C726
47pF
C744
1uF
25V
C707
1uF
25V
D728
30V
OPT
ADUC30S03010L
COMP2_R_IN
5:H3
IC701
MAX3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
RS232C_RxD
14:X8
D702
5.6V
ADMC5M03200L
TP6
MDS61887701
GAS1
MDS61887701
GAS2
MDS61887701
GAS3
MDS61887701
GAS4
MDS61887701
GAS5
MDS61887701
GAS6
1
17
TxD
RxD
AV
COMPONENT1/2,AV1
COMPONENT1
COMPONENT2
RS-232C
SIDE_AV
INCM
PC AUDIO
SPDIF OPTIC JACK
Place this INCM
near connector
near connector
Run along G, B, R traces
Run along Y, PB, Pr traces
Run along Y, PB, Pr traces
R,G,B PC INPUT
SMD Gasket Option
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
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