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[TenTec] 255 Power Supply

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: [TenTec] 255 Power Supply
From: Jim Anderson <ural.jim@gmail.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 12 Mar 2011 19:11:03 -0800
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Thanks, I have done a bit more digging since I posted.

If I pull the wire that leads from the diode bridge to the board with the
pass transistors no fuse blows. If I pull the internal 20 amp fuse and turn
it on the AC fuse is OK. If I disconnect the three wire plug that leads from
the transistor board to the regulator board it wants to blow the AC fuse.
So, as Al said, it seems to be an issue with that board. Is there a way to
check the transistors with them mounted or should I just assume it is one of
them and order a couple of replacements.

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