[TechAssist] Re: Toshiba 43H71 repeat vertical failure
- From: "Joel Jacobs" <jj@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 8 Jun 2004 17:26:49 -0400
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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