itt Repair Tips




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Results 510
MakeModel Ch.SymptomProblem SolutionSolutionBy:
ITTDigi
Raster - green raster & flyback lines.T1023 leaky , R1027 burnt.
ITTDigi
Picture has poor definition.VCU IC650 faulty.
ITTDigi
No soundSpeaker o/c.
ITTDigi
No picture , sound or channel display.T742 , F701.
ITTDigi
Grey scale will not set up - picture red.T1033 tube base blue drive.
ITTDigi
Flyback lines - brightness at max.Zener 5.1c s/c , zener in R603 pos instead of 470pot.
ITTDigi
Dead.T561 , T563 , D513 all s/c.
ITTDigi
Dead.DPU IC620 faulty , IC3006 TDA2040 audio IC.
ITTDigi
Dead - faint whistle.Remove scan plug if loud whistle change LOPTX & ST2000A
ITTDigi
Dead - blowing BU.D703 leaky in bridge recy.
ITTDigi
Contrast - picture has low contrast.T1013 leaky , R1018 slightly high.
ITTDigi
Brightness intermittent.D403.
ITTDigi
Brightness at max & fly back lines.Zenor 5.1c s/c , zener in R603 pos instead of 470pot.
ITTDigi
Blank raster.T610 , VCU IC650.
ITTDigi
At switch on EHT rises then falls.R754 high.
ITTCVC9
Sound - loss of sound.VDR R409 use a VA8650 from wVe.
ITTCVC830
deadSt/by mains tfrmr o/c pri
ITTCVC830
Colour - Intermittent or no colour.Replace C721 ( 100uf ) by line IC ?
ITTCVC825P
Raster - loss of raster & line collapse.D611 , R628 , R632 , R643 , T615 ( BC546A )
ITTCVC824
Sound - Volume to high.Fit a 1.8k resistor across vol control.