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Article #536

Re: How can I match a horizontal driver transformer.

#536
From: alitonto
Date: Mon, 16 May 2005 05:05
40 lines
2570 bytes
Thanks for comments fellows;
I do not have that all H.D.transformer anymore.
I have obtained the schems from DSE and maybe something on these can
give clues as to what one can do to find similar part;
If I approach a repair shop for a similar part, I wonder how he would
go about matching it.
Anymore ideas anyone? thanks
Ali





James Sweet wrote:
> "alitonto" <alitonto@hotmail.com> wrote in message
> news:1116162910.629050.136130@g43g2000cwa.googlegroups.com...
> > I have  Digitor 12 volt TV Model G7200 year 1993 from Dick Smith
> > Electronics for which the H.D.Transformer is no longer available
from
> > spare parts. (Checked with DSE).
> > I am thinking what specs to look for if I was to find a spare part
in
> > my parts box.
> > Would this be possible at all?
> > It drives the HOT which is a BU407 and the chip on the board is an
> > LA7680 where pin 27 supplies the signal.
> > Any expertize here will be welcome.
> > Thks
> > A.T.
> >
>
> Your best bet would probably be to wind one yourself on a core from a
> scrapped SMPS transformer. Heck you could dismantle the original and
rewind
> it if you wanted, there's not very many turns on them, but you need
to be
> positive it's defective first! They can be difficult to take apart,
you have
> to soak them in an appropriate thinner/stripper to dissolve the glue
first.
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From: "alitonto" <alitonto@hotmail.com>
Newsgroups: sci.electronics.repair,aus.electronics
Subject: Re: How can I match a horizontal driver transformer.
Date: 15 May 2005 22:05:11 -0700
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