[TenTec] Omni VI and power supply occilation???

Rick Williams rick.williams at telus.net
Tue Apr 19 15:25:51 EDT 2005


I can't help you with the oscillation but the following describes some of
the final transistors used in the Omni VI!

http://lists.contesting.com/_tentec/2002-12/msg00387.html

73, 

Rick 
VE7TK

Website:  http://www3.telus.net/ve7tk  


---------------Original -----------------------

To: 	"Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Subject: 	Re: [TenTec] Omni VI and power supply occilation???
From: 	"denton" <denton at oregontrail.net>
Reply-to: 	Discussion of Ten-Tec Equipment <tentec at contesting.com>
Date: 	Sat, 9 Apr 2005 09:23:04 -0700
List-post: 	<mailto:tentec at contesting.com>

Here are some other things I just remembered...
When the Omni quit on me the first time, at TT's suggestion I did some 
signal tracing...
Using the 'scope, I had signal ampflication until the driver transistors...I

replaced them and had signal amp to the output of the drivers.
Local commercial electronics outfit said the finals would cost me about 200 
bucks or a bit less and they would not be a matched set.
TT said they would replace the finals with a matched set and realing the 
unit for that much bucks.
When I ran my diagnostics, I also noticed that the finals were not the mrf 
458's that is indicated on the schematic, but were a pair of SC something or

other. From my observation it seems to me that the finals had been replaced 
before I got the rig.



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