[TechAssist] Re: Toshiba 43H71 repeat vertical failure
- From: peggs <peggs@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx, <techassist@xxxxxxxxxxxxx>
- Date: Wed, 09 Jun 2004 10:44:02 -0700
I'd try an OEM Output
Peggs
At 02:26 PM 6/8/04, Joel Jacobs wrote:
>Folks, sorry I didn't mention that but I did check all the caps. Didn't
>ring the yoke but the picture wasn't trapezoidal and there was no smoke
>coming out of any yokes so I'm pretty sure they're ok...
>Joel Jacobs
>Ohio Consumer Electronics
>Pickerington Ohio
>
>----- Original Message -----
>From: "peggs" <peggs@xxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>; "Tech Assist" <techassist@xxxxxxxxxxxxx>
>Sent: Tuesday, June 08, 2004 6:16 PM
>Subject: [TechAssist] Re: Toshiba 43H71 repeat vertical failure
>
>
> > you didn't mention checking capacitors in the vertical circuit.
> > What about the Yoke,can you Ring it ???
> >
> > Peggs
> >
> > At 12:31 PM 6/8/04, Ohio Consumer Electronics wrote:
> > >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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