[TechAssist] Re: Daewoo model DTQ26s1fc color tv

  • From: Alvin Rose <arose@xxxxxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Tue, 14 May 2002 19:02:46 -0700


Hi Gary
checked all of the caps in the flyback circuit  all ok
this must be a common problem as I have two with
identical troubles..I disconnected yoke and it still rings
bad in circuit..ok out of circuit   hmmmmm.

Gary McCartney wrote:

> Alvin, I don't know about the flyback, but did you check the yoke? Try
> ringing it. Also wonder if there could be a cap or diode involved with
> any of the flyback windings that are shorted, causing the ring to test
> bad?
>
> Gary McCartney
>
> McCartney Electronics
> 7134 Fife Rd, RR 7
> Guelph Ontario Canada N1H 6J4
> Fax: (519)821-1530
> email: number63@xxxxxxxxxxxxx
>
> Alvin Rose <arose@xxxxxxxxxxxxxxx> wrote:
> >
> > Hi Guys
> > We have two Daewoo  models DTQS1FC  chassis cn-2001
> > which have a shorted horrizontal output transistor q402.
> > replaced the hot but it shorted again..Flyback rings bad in
> > circuit
> > but rings good out of circuit 56 rings...q804  hv switch is
> > shorted
> > also q803 and q805 are bad.I suspect the flyback but it rings ok.
> >
> > Is flyback  a common problem in this set..Any help would be
> > appreciated
> >
> > Alvin Rose
> > Radio & Tv Centre
> > Marystown Nfld.
> > 709-891-1883
> >
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> --
>
> Gary McCartney
>
> McCartney Electronics
> 7134 Fife Rd, RR 7
> Guelph Ontario Canada N1H 6J4
> Fax: (519)821-1530
> email: number63@xxxxxxxxxxxxx
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