[TechAssist] Re: Toshiba 43H71 repeat vertical failure
- From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 08 Jun 2004 18:01:53 -0230
Hi Joel did you replace any caps in the vert circuit or check the for
esr
Eric
Eric Manuel
Deer Lake Nfld
Canada
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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