Toshiba 23HL85 Service Manual page 37
Lcd color television
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Also See for 23HL85:
- Owner's manual (44 pages) ,
- Circuit diagrams (22 pages) ,
- Specifications (2 pages)
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No Raster on PC signal
Repeat Process A
Pass
Ref.7/7-1/7-2
Check the input/output
of IC701
Pass
Ref.8
Check the input/output
of IC501
Pass
Check input source cable
and jack
Check Level(High) of R724
Fail
Pass
Re-soldering or
Change IC701
Re-soldering or Change
the defect part of
Fail
IC501, X500, IC701
Component Y signal Iutput :
Ref.7
IC701(Switching IC), #3
V_sync Input :
Ref.7-2
IC701(Switching IC) #13
- 37 -
Check short circuits of
Main B/D
Fail
H_sync Input :
Ref.7-1
IC701(Switching IC) #23
Component Y signal Iutput :
Ref.8
IC501(Scaler IC) #147
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