[Jukebox-list] Tormat

[Ron Rich]

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.
  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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