DOWNLOAD LG 20LCD-H5 / 20L-510LT (CHASSIS:LJ71A) Service Manual ↓ Size: 32.71 MB | Pages: 51 in PDF or view online for FREE

Model
20LCD-H5 20L-510LT (CHASSIS:LJ71A)
Pages
51
Size
32.71 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
20lcd-h5-20l-510lt-chassis-lj71a.pdf
Date
PREV: LG 20LCD-1 (CHASSIS:ML-041B) Service Manual

LG 20LCD-H5 / 20L-510LT (CHASSIS:LJ71A) Service Manual ▷ View online

- 17 -
4. No Raster on Component Signal
Repeat [A, B]
process.
Pass
Check the input/
output of R806.
Fail
Check the J801.
Pass
Re-soldering or change the
defect part, Check the X100.
Check
the input/output
of R121.
Pass
Check the
input/output of IC100.
Pass
Check input source cable and jack.
Fail
Fail
Re-soldering or Change the defect part.
5. No Raster on HDMI Signal
6. No Raster on AV (Video,
S-Video) Signal
7. No Raster on TV(RF) Signal
- 18 -
Repeat [A, B]
process.
Pass
Check the input/
output of IC100.
Fail
Re-soldering or change the
defect part, Check the X100.
Pass
Check input source cable and jack.
Check input source cable and jack.
Repeat [A, B]
process.
Fail
Check the output
of TU600.
Pass
Pass
Fail
Check 5V of TU600.
Re-Soldering or change
the defect part.
Check
the input/output of
L702, R954, R948,
R110.
Fail
Change LL702, R954,
R948, R110.
Pass
Check input/output
of IC100.
Pass
Fail
Re-soldering of Change defect part.
Check the X100.
Pass
Pass
8. No sound
- 19 -
Check the input
Source.
Fail
Pass
Change the source input.
Check input/Output
of IC100.
Fail
Pass
Re-soldering of Change the defect part.
Check the X110
Check the input/
output of IC500
Fail
Re-soldering or Change
the defect part.
Pass
Check the Speaker
Pass
Check the Speaker wire.
Fail
Change Speaker.
WIRING DIAGRAM
- 20 -
Wi
ri
n
g
 P
a
rt
 L
is
t
66
31T
250
26L
12
66
31T
200
10F
13
E
A
D
3
850
980
1
11
66
319
000
13
B
10
66
319
000
48
B
9
E
A
D
3
859
900
1
8
66
31T
200
33C
7
E
A
D
3
859
890
1
6
66
31T
110
20N
5
E
A
D
3
859
880
1
4
66
319
000
27
C
3
66
319
000
12
C
2
E
A
D
3
859
910
1
1
Pa
rt
 N
o
.
No
.
66
31T
250
26L
12
66
31T
200
10F
13
E
A
D
3
850
980
1
11
66
319
000
13
B
10
66
319
000
48
B
9
E
A
D
3
859
900
1
8
66
31T
200
33C
7
E
A
D
3
859
890
1
6
66
31T
110
20N
5
E
A
D
3
859
880
1
4
66
319
000
27
C
3
66
319
000
12
C
2
E
A
D
3
859
910
1
1
Pa
rt
 N
o
.
No
.
1
2
3
4
7
8
13
9
5
6
11
12
10
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