[TechAssist] Re: toshiba 50A50 chassis TAC0051 convergence problems
- From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 11 May 2004 12:39:48 -0400
Didn't you try to adjust it the the service menu??
Phillip R Hull STET
phil245@xxxxxxxxxxxxx
FAX 517--569-3075
Professional Technicians only
----- Original Message -----
From: "markbrock" <markbrock@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, May 11, 2004 10:00 AM
Subject: [TechAssist] Re: toshiba 50A50 chassis TAC0051 convergence problems
> Your probably right Philip, I'm hoping that as a last resort only, do you
> have the access to service menu? If its inside the dcu I'm settin aside
as
> customer gave me the set, 300 was his max ? go figure, only 2 years
old..
> its just the blue pincushion vertical that I'm needing to adjust, but
since
> there is no movement in the customer menu for up and down I'm sure its a
DCU
> issue.
> brock
>
> ----- Original Message -----
> From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, May 07, 2004 9:43 AM
> Subject: [TechAssist] Re: toshiba 50A50 chassis TAC0051 convergence
problems
>
>
> > These sets had DCU units go bad. remove and check solder first
> (Digital
> > convergence unit)
> > Phillip R Hull STET
> > phil245@xxxxxxxxxxxxx
> > FAX 517--569-3075
> > Professional Technicians only
> > ----- Original Message -----
> > From: "markbrock" <markbrock@xxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, May 07, 2004 8:12 AM
> > Subject: [TechAssist] Re: toshiba 50A50 chassis TAC0051 convergence
> problems
> >
> >
> > > 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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