LG 26LZ5RV-ZC Service Manual page 18

No Raster on AV Signa
(Scart1.Scart2,S-Video)
Repeat
[A] Process
Pass
Check the signal of
Q317,Q318,Q308,Q313
Pass
:[C]Process
No Raster on TV(RF) signal
Check the output of
TU1000
Faill
Change
Q317,Q318,Q308,
Faill
Q313
- 18 -
Check 5V,33V of TU1000,
Re-soldering of Change the
Faill
defect part