Toshiba 23HL85 Service Manual page 40

No Raster on
Video1/Video2
Repeat Process A
Pass
Ref.12/12-1/12-2
Check the Input/Output
of IC200
Pass
Process B
ITU656 Clock Out :
Ref.12
IC200(VCTI) #83
Y Signal Input :
Ref.12-1
IC200, #68
Fail
Y Signal Input :
Ref.12-2
IC200, #62
- 40 -
Re-soldering or
Change the defect part
check IC200