[TechAssist] Re: Toshiba model TZ50V51, red pix in upper right quadrant looks folded over
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 28 Jul 2004 17:25:24 -0500
Thats my thought
If the red is still folded while using the blue conv yoke plugged into the
red socket I'd say the crt is at fault
Thats a strange problem and I still didn't believe it until I replaced the
tube in my set
Good luck
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, July 28, 2004 4:00 PM
Subject: [TechAssist] Re: Toshiba model TZ50V51, red pix in upper right
quadrant looks folded over
> We have already replaced the red yoke, swapping the red and blue yoke
> H/V deflection connectors makes no difference. If I swap the red and
> blue convergence yoke connectors the crosshatch is so scrambled it would
> need a complete alignment to know for sure but i can see that the red
> lines in the upper right quadrant are still defocused. Sounds like the
> CRT is probably it then, right?
>
****************************************************************************
***************************************
> Since 1972
> Jim Myers
> Telrad Electronics
> Fort Wayne, Indiana
>
>
> tvservice wrote:
> > I had a similar problem on a TP55Fxx in the lower left corner of red.
> > Replacing CRT fixed.
> > Try swapping the yokes see if still problem on another color or stays on
red
> > If stays on red bad crt if changes may be digicon board
> > Also be sure to check value of low ohm resistors near STK's. Very
Critical!
> >
> > Robert
> > tvservice@xxxxxxxxxxxxx
> > H & H Electronics Inc
> >
> > ----- Original Message -----
> > From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> > To: "TechAssist" <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, July 28, 2004 3:20 PM
> > Subject: [TechAssist] Toshiba model TZ50V51, red pix in upper right
quadrant
> > looks folded over
> >
> >
> >
> >>Convergence output amps have been replaced and service menu adjustments
> >>seem to work correctly, also the red yoke has been replaced but problem
> >>remains. Suspecting the digital convergence board since all other
> >>components check ok. Anyone seen this?
> >>Thanks,
> >>
> >
> >
****************************************************************************
> > ***************************************
> >
> >>Since 1972
> >>Jim Myers
> >>Telrad Electronics
> >>Fort Wayne, Indiana
> >>
>
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