- 38 -
No Raster on Video Signal
(Video2, S-Video)
No Raster of TV(RF) Signal
Check short circuits of Main B/D
or Change the defect part
Check short circuits of
Main B/D
Repeat Process A
Check R248 Level
Video2(High)/S-Video(Low)
Pass
Pass
Check the output of TU100
Pass
Check the input/output
of IC200
Check the input/output
of IC300(Comb Filter)
Pass
Ref.10
Fail
Fail
Fail
Check 5V, 33V of
TU100 Re-soldering
or Change the defect
part
S-Video skip this
square box
Fail
Process B
Ref.9/9-1/9-2
Y Signal Input :
IC200, #68
Ref.9-1
ITU656 Clock Out :
IC200(VCTI) #83
Ref.9
Y separated output :
IC300(Comb Filter), #96
Ref.10
Y Signal Input :
IC200, #62
Ref.9-2
