I just dug through lotsa stuff and found two papers which showed the layout 
but not the wiring of the OVP circuit board.  The reverse side gave 
installation instructions.  No schematic among my 262G and 544 information 
(and I have a bunch!)
Probably simple...  a zener, an SCR and a fuse.  A fellow could copy the 
crowbar from any other Ten-Tec supply.
73, Mike N4NT
----- Original Message ----- 
From: "Pete Juliano" <jessystems@cablespeed.com>
To: "TenTec Users" <tentec@contesting.com>
Sent: Monday, September 19, 2005 1:11 PM
Subject: [TenTec] Need Schematic
Am looking for the schematic of the crowbar circuit that TT originally sold 
to go with their older power supplies like the Model 252. Haven't called TT 
but thought some person might have one. I had one but my computer has eaten 
it!
tnx & t3's
Pete W6JFR 
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