[TechAssist] Re: Toshiba 43H71 repeat vertical failure

  • From: "Joel Jacobs" <jj@xxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Tue, 8 Jun 2004 17:27:10 -0400

No kidding?  I don't have the original anymore but I didn't notice that.  If
that's the case then theta's probably the problem..
I haven't found anywhere that has the 'S' version in stock yet - anyone know
where I could order one?  MCM has 24 day backorder - Tritronics has none but
can order one - B&D does not list it - slelectronics.net lists two la7833's
one from Korea and one from Japan but neither is the 'S' version...
Joel Jacobs
Ohio Consumer Electronics
Pickerington Ohio


----- Original Message -----
From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, June 08, 2004 4:03 PM
Subject: [TechAssist] Re: Toshiba 43H71 repeat vertical failure


> That set uses a LA7833S     and it may be different because NTE showed no
> sub on the web site.
> Phillip R Hull     STET
> phil245@xxxxxxxxxxxxx
> FAX 517--569-3075
> Professional Technicians only
> ----- Original Message -----
> From: "Ohio Consumer Electronics" <jj@xxxxxxxxxxxxxxxx>
> To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, June 08, 2004 3:31 PM
> Subject: [TechAssist] Toshiba 43H71 repeat vertical failure
>
>
> > Set came in with no vertical deflection. Replaced LA7833 and it looked
> fine.
> > About three weeks later it's back with same problem.  I put in a new
> LA7833
> > and it blew immediately!  I couldn't find any other problem so I figured
> > maybe a bad new part so replaced it again and it worked ok this time.
Ran
> a
> > bit hot after a while but that's normal with these newer cost reduced
> > designs. I sent it home.   Well 1 week later and it's back again!  Same
> > problem.  Customer said it played all day the day before but today it
> played
> > only 10 minutes and went out.  The LA7833 would not have been that hot
> after
> > only 10 minutes so I don't think it's a thermal problem - that and the
> fact
> > that one blew right away.  I can't find any bad connections anywhere.  I
> > really need some help with this one, the customers been pretty good
about
> it
> > so far but I think this may be my last chance to get it right...
> > I'll appreciate any tips/suggestions - Thanks Much!
> >
> > Joel Jacobs
> > Ohio Consumer Electronics
> > Pickerington, Ohio
> >
> >
>
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