Toshiba 15DL15 Service Manual page 36

No Raster on video Signall
(Video1)
Repeat Process A
Pass
Check the input
source
Pass
Check R217 Level
(Video1,RF : HIGH 3.3v)
Pass
Ref.7
Check the Input/Output
of IC200
Pass
Check the Input/Output
of IC500
Pass
Check cable
and Jack
No Raster on TV(RF)
Signal
Pass
Check the output of
TU100
Check short circuits of Main B/D
& JACK B/D
Fail
Check short circuits of Main B/D
& JACK B/D
Fail
Ref.6
Check the Input/Output
of IC300
Fail
Pass
Check short circuits of Main B/D
or Change IC500
Fail
Y separated Output :
Ref.6
IC300 (Comb Filter), #96
- 36 -
Check 5V, 33V of TU100
Re-soldering or Change
Fail the defect part
Only for 20DL75
Option
Check short circuits of main
B/D or Change the defect part
Fail
ITU656 Clock Out :
Ref.7
IC200(VCTI), #83