LG RZ-27LZ55, Service Manual

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No Raster on AV Signa
(Video1,Video2, S-Video)
No Raster on TV(RF) signal
Change C316,C317,
Q308,Q313
Check the signal of
C316,C317,Q308,Q313
Repeat
[A] Process
Check the output of
TU1000
Check the input/output
of IC1
Check the input/output
of IC500, IC600
Check input source cable and jack
Fail
Fail
Fail
Faill
Re-soldering or
Change the defect part
Fail
Fail
Re-soldering or
Change the defect part
Check 5V, 33V of TU1000
Re-soldering or
Change the defect part
Pass
Pass
Pass
Check the input/output
of IC901
Re-soldering or
Change the defect part
Pass
Pass