[TechAssist] Re: toshiba 50A50 chassis TAC0051 convergence problems
- From: walter wood <wwood_38478@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 7 May 2004 06:23:23 -0700 (PDT)
On this set, Q752(STK392-110) is the
Red,green,blue horizontal, while Q751 is the R/G/B
vertical.
I don't have any notes on this one.
But I have had bad new parts before.
HTH
Walter
--- markbrock <markbrock@xxxxxxxxxxxxx> wrote:
> Yep, I saw that and a couple others near the
> same model but I can't
> convince myself its one of the stk's, I guess
> I'll change the other stk,
> and find out, not sure what a yoke problem would
> do, there usually bad, or
> get warm, not shorted but possibly windings have
> crossed between varnish,
> its an odd problem and since the lines are curved
> I keep pushing for it
> being before the yoke, but can't adjust up and
> down convergence. wonder
> if the stk I put in was bad off the shelf ?
> thanks Jeff, I'll put the
> model and chassis in the subject line, next time
> and let you know what I
> find.
> brock
>
> ----- Original Message -----
> From: "Intrepid Video Support"
> <support@xxxxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, May 06, 2004 4:53 PM
> Subject: [TechAssist] Re: toshiba 50A50 chassis
> TAC0051 convergence problems
>
>
> > Brock...
> > From Tech Repair CD:
> > Toshiba\61HX70 TAC0069\Bad Convergence
> Especially At Bottom (picture Is
> Full Screen - Good Color And
> > Sound)\Picture is pulsing/fluttering rapidly
> and is sort of divided up
> (vertically) by odd* horizontal
> > portions of the picture
> itself\\TAC0069\STK392-110 ICs\\\\\\\\
> >
> > Usually one IC is for blue, the other is for
> red.
> >
> > Also...please place the mode and circuit in the
> subject line. Makes it
> easier for us when searching the
> > archives.
> > Jeff
> > --
> > Intrepid Video TV/VCR Repair
> > 263 S Front St, Steelton PA 17113
> > 717-939-7708; (F) 717-564-4952
> > www.intrepid-video.com www.tech-repair.net
> > ----- Original Message -----
> > From: "markbrock" <markbrock@xxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, May 06, 2004 4:02 PM
> > Subject: [TechAssist] toshiba convergence
> problems
> >
> >
> > model 50A50 chassis TAC0051, fuse 851 blown,
> R7716 burnt on convergence
> bd,
> > changed stk329110 and fuse and put in 2.2 ohm
> for R7716 ? not real sure.
> > looks like it compared to other convergence ic
> R's, now comes up with
> blue
> > convergence bad, it appears that the
> convergence ic I changed is for blue
> ?
> > I can move the cursor left and right in menu to
> move the cross hatch but
> not
> > up and down? do these two conv. IC's work in
> conjunction ? not really
> pin
> > coushion, as not symmetrical but won't adjust
> up and down at 9 points, am
> I
> > fighting yoke problem? any help appreciated
> > brock
> > Brock Electronics
> > R.R.4 box 237
> > 5208 cr.3385
> > Independence Ks. 67301
> > 620-331-0235
> > fax 331-7191
> >
> > markbrock@xxxxxxxxxxxxx
> > Zenith*Philips*Peavey*Fender*Crate
> > we work on all brands,makes,models
> > of anything that plugs in the wall
> >
> >
> >
>
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=====
Walter Wood
Future Tech Home Center
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Lawrenceburg Tn. 38464
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Fax 931-829-4044
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