[TenTec] Triton IV shutting down TT 262G Power Supply

Phil Chambley Sr. k4dpk at comcast.net
Tue Feb 24 18:48:30 PST 2009

If it isn't doing it on any other band, I'd say he has either a loose 
connection in the 10m LPF circuit or a bandswitch contact burned on that 

If it does it on other bands, there are other possibilities, e.g. ALC 

Phil C. Sr.

----- Original Message ----- 
From: "Doug Smith" <ve3iyb at rogers.com>
To: <tentec at contesting.com>
Sent: Tuesday, February 24, 2009 4:25 PM
Subject: [TenTec] Triton IV shutting down TT 262G Power Supply

> My Father Don VE3IYA says that his Triton IV that was working w/ low 
> output
> on 10M is now not working in TX.  As soon as you hit PTT in SSB, the key 
> in
> CW or go to LOCK mode it shuts the TT 262G down.  After a few seconds and 
> a
> power cycle on the 262G it will come back to receive. This happens
> regardless of drive setting and YES it is into a known good dummy load.
> We have not had the covers off yet but I suspect the 80284 SWR ALC board
> will need to be looked at as well as the 80276 Final Amp and the 80280
> Control Board. So what do the experts on here say? We are just thinking 
> out
> loud before diving in.
> Doug VE3IYB EN93ui ~ 60 miles SW of Toronto, Ontario, Canada Eh?
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