[tvservice] PLEASE REMOVE ME FROM YOU EMAIL PLEASE
- From: Doug Stanard <dougstanard@xxxxxxxxx>
- To: tvservice@xxxxxxxxxxxxx
- Date: Thu, 13 Dec 2007 14:05:17 -0800 (PST)
PLEASE REMOVE ME FROM YOU EMAIL PLEASE
Thank You
----- Original Message ----
From: Matthew McNeely <mcneely@xxxxxxxxxxxx>
To: tvservice@xxxxxxxxxxxxx
Sent: Thursday, December 13, 2007 8:11:36 AM
Subject: [tvservice] Re: 46W500 Problems
Hi Mike,
If the output transistor is running that hot then something is drawing
to much current. if you have access to resistance charts for the set I
would use a ohm meter and check down stream from the transistor for
lower than normal resistances. Also does the set have a damper diode?
that could be leaky.
Matt
Mike Schoettinger wrote:
> yes I put compuond on it. It is defintely transferring the heat
> because the heat sink gets so hot it will burn you after only running
> the tv about 10 minutes or so.
>
> ------------------------------------------------------------------------
> Date: Wed, 12 Dec 2007 22:44:16 -0800
> From: tcccjc@xxxxxxxxxxxxx
> Subject: [tvservice] Re: 46W500 Problems
> To: tvservice@xxxxxxxxxxxxx
>
> Did you put heat sink compound or a rubber pad are the plastic
> ring on it before screwing it down?
>
> */Mike Schoettinger <kc8lqu@xxxxxxxxxxx>/* wrote:
>
> its running but the 2SC5909 is still getting really really hot
> so I don't leave it running very long because it will blow
> it. And the only place I found that has them at a reasonable
> price is in the UK and it takes 2 weeks to get the part.
>
>
> ------------------------------------------------------------------------
> Date: Wed, 12 Dec 2007 05:13:40 -0800
> From: kstang69@xxxxxxxxx
> Subject: [tvservice] Re: 46W500 Problems
> To: tvservice@xxxxxxxxxxxxx
>
> did you get it working?
>
>
> */Mike Selnick <selnick@xxxxxxxxxxx>/* wrote:
>
>
> Please remove my email address and my earlier message
> from your lists. Thanks,
>
> -- Mike
>
>
>
>
>
> ------------------------------------------------------------------------
> From: krybak1@xxxxxxxxxxx
> To: tvservice@xxxxxxxxxxxxx
> Subject: [tvservice] Re: 46W500 Problems
> Date: Tue, 11 Dec 2007 22:42:59 -0500
>
> check if leads of the transistor are reversed,
> base and emiter cross them
>
>
> ------------------------------------------------------------------------
> Date: Sun, 9 Dec 2007 12:55:33 -0800
> From: tcccjc@xxxxxxxxxxxxx
> Subject: [tvservice] Re: 46W500 Problems
> To: tvservice@xxxxxxxxxxxxx
>
> Did you try the bridge one of the diodes maybe
> shorted.
>
> */Mike Schoettinger <kc8lqu@xxxxxxxxxxx>/* wrote:
>
> Hi all,
>
> I am in need of some help. This Hitachi
> 46W500 is kicking my butt. It keeps
> blowing the hv drive transistor. I have
> replaced all the electrolytic in the
> circuit and the fly back and the smps
> transformer. Does anyone have some
> experience with this issue. Thanks.
>
> Mike
>
>
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