LG 15LS1RA Service Manual page 16
Lcd tv, chassis: ln71a
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Also See for 15LS1RA:
- Owner's manual (56 pages) ,
- Manual de usuario (56 pages) ,
- Owner's manual (56 pages)
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No Raster on AV Signal
(Component, CVBS, S-VHS)
Repeat
[A] Process .
Pass
Check the
signal of R103, R104,
R106, R108, R132, L822,
L800, L801.
Pass
Check the
input/ output of IC100.
Pass
Check inputting source cable
and jack.
No Raster on TV(RF) signal
Check the output
of TU500.
Fail
Change R103, R104, R106, R108,
R132, L822, L800, L801.
Fail
Re-solder or change the defect part.
Check X100.
Fail
- 16 -
Check 5V of TU500.
Re-solder or change the
Fail
defect part.
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