LG 26LZ5RV-ZC Service Manual page 17

No Raster on Component signal
Repeat
[A] Process
Pass
Check the signal of
Q310,Q315,Q316
Pass
Check the input/
output of IC800
Pass
Check the input/
output of IC600
Pass
Check the input/
output of IC500
Pass
Check the input/
output of IC901
Pass
Check input source cable and jack
:[C]Process
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Change
Q310,Q315,Q316
Faill
Re-soldering or
Change the defect part
Faill
Check IC800
Re-soldering or
Change the defect part
Faill
Check IC600
Re-soldering or Change
the defect part Check
Faill
IC500,X500,IC501
Re-soldering or
Change the defect part
Faill
Check X900