[Jukebox-list] Tormat

[Tony Miller]

At 06:26 AM 8/15/2007, you wrote:
>Tony,
>   They were called out, in the parts manuals, as Seeburg # 309477 ( 
> 1N4002). I believe the 309481's were 1N914's, which is the smaller type case.

Also 1N4148 is a source for 309481.

Cheers,

Tony Miller

>   Ron Rich
>
>Tony Miller <seeburgt at pacbell.net> wrote:
>   At 06:03 PM 8/14/2007, you wrote:
>Ron, Wes;
>
>I agree completely. These diodes were very small, with the chip
>inserted between two metal plugs with the leads on them, with the
>wires welded to the plugs. If you look closely, many times you'll
>find that the chip is in crooked, or there is a second chip in
>there. While working in Q.A., we had many thousands of these, and we
>would thermal and mechanical shock them prior to testing on a curve
>tracer so that we could get several hundred per day for use on the
>next day's production of Pricing Programmer boards. These were all
>Seeburg #309481. I believe the diodes used in the 160TM7 were of a
>different Seeburg part number, but similar construction.
>
>Cheers,
>
>Tony Miller
>
> >Wes,
> > I saw quite a few of the 160TM-7 units that had a problem when
> > they were new. Seeburg purchased some diodes from an alternate
> > supplier ( that's an synonym for "cheep"), that were prone to
> > shorting out. We opened many TMU's to replace those diodes, but I
> > would have to assume that by this time, either they are good, or
> > have been replaced. FYI, ANYtime you see a 1N400x type
> > diode (DO-41 case) used, in any application, in a Seeburg, that
> > has a brown colored ring on it, it should be replaced, as those are
> > the type that were bad.
> > Ron rich
> >
> >Wesley Dean wrote:
> > Ron, I re-agree. The only Trormat I had to repair was one that was
> >opened by a person who knew not what he doeth. Wes
> >----- Original Message -----
> >From: "Ron Rich"
> >To: "Jukebox mailing list"
> >Sent: Monday, August 13, 2007 10:48 AM
> >Subject: Re: [Jukebox-list] Last message
> >
> >
> >Wes,
> >I agree with you on this--BUT--only if "people" keep their "paws" out of
> >the Tormat Unit itself.(for those of you who do not know, there is NOTHING
> >inside the Tormat to "fix"--just things to brake) Ron Rich
> >
> >Wesley Dean wrote:
> >JC, one factor in my expertise includes the Tormat system as used in the
> >earlier Seeburgs. I consider these types 'hybrids' because they do not use a
> >CPU. The components used
> >in the controllers are discrete and are easily replaced. I believe because
> >of this fact,they should be around long after later systems will be
> >relegated to the scrap heap. Wes
> >
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