[GreenKeys] Fwd: TELETYPE CORP. power supply ?

[Nick England]

40PSU101 schematic needed

Begin forwarded message:

> From: "Hue Miller" <kargo_cult at msn.com>
> Date: March 18, 2015 at 11:22:20 PM EDT
> To: <tetrode at googlegroups.com>, <milsurplus at mailman.qth.net>
> Subject: [Milsurplus] TELETYPE CORP.  power supply ?
> 
> I removed an abandoned TELETYPE CORP. printer desk from a work office and removed a power supply from it before I sent it to metal scrap. The
> power supply is ' 40PSU101 '.  I know  this is a real longshot, but I'd appreciate any leads on getting a schematic. From papers that came
> with it, for various datacom and printer interface cards, I gather the
> build date was around 1977. It looks to me like an analog, not switching supply; the power transformer is pretty hefty and I don't see any complex switching parts including HV lytics.  The outputs
> are +-12. Altho it hadn't seen power in 20+ years, I went ahead and
> plugged it in - nothing to lose. The + and - 12 DC were good, but after a few minutes the transformer started to complain. I shut it
> off and felt the heat sink around one transformer, quite hot. I think I'll
> have a look and see if anything looks toasted. I found references to
> it on the net but all just places to request quote or cross reference
> numbers. It looks like if working it could drive various mil-surplus
> 24DC driven radios, but if it looks too difficult to figure out, it
> will go to the cauldron also.
> - Hue Miller
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