Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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3. No Raster on AV(AV/ COMPONENT/
S-Video, RGB-PC) signal
4. No Raster on TV(RF) Signal
- 14 -
Check input source cable and jack.
Repeat No power
(1) process.
Fail
Check the
output of TU600.
Pass
Pass
Fail
Check 5V of TU600.
Re-Soldering or change
the defect part.
Check
the signal of R602,
R622, R623,R615,R616,
R617,R640,R641,
R642.
Fail
Change L804, L1002,
L1003, L1004.
Pass
Check input/output
of IC100.
Pass
Fail
Re-soldering of Change defect part.
Check the X100.
Pass
Pass
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