Toshiba 15DL15 Service Manual page 34

Process B
No Raster on Component
,D2 Signal
Repeat Process A
Pass
Check
R217 of Main B/D
1.Component Jack (high)
2.D-JACK (LOW)
Pass
Ref.2
Check the Input/
Output of IC701 of Main B/D
Pass
Ref.3
Check the input / output
IC500 of Main B/D
Pass
Check input source cable
and jack
Component Y signal Input :
Ref.2
IC701(Swiching IC), #3
Check short circuits of Main B/D
& JACK B/D
Fail
Check R715 of Main
Level(high 3.3V)
Fail
Pass
Re-soldering or
Change IC701
Fail
Component Y signal Input :
Ref.3
IC500(Scaler IC), #147
- 34 -
Check short circuits of
Main B/D
Fail
Re-soldering or
Change IC500