[TenTec] Paragon Problem

[Phil Chambley, Sr.]

Dave's post reminded me....I've seen a couple of the Paragons that had the 
fuse-holder heat up and become de-soldered from the little circuit board.

Phil C. Sr.
k4dpk
----- Original Message ----- 
From: "Dave Heil" <k8mn at frontiernet.net>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Saturday, July 14, 2012 3:50 PM
Subject: Re: [TenTec] Paragon Problem


>I have another thought.  Back in the days when I was using the Paragon
> in several African spots, I recall that I had a similar problem.  After
> removing the top cover, there is a small plain aluminum cover back
> toward the right near the PA.  There are a couple of sheet metal screws
> which need to be removed before the cover comes off.  Inside is a fuse
> holder and a 25 amp fuse.  That fuse may show some signs of heating.  It
> may even appear to be good.  Sub a new one and test it before putting
> the cover back on.
>
> 73,
>
> Dave Heil K8MN
>
> On 7/14/2012 01 56, Mike Bryce wrote:
>> Something that is pulling a supply into current limiting has to be nasty.
>>
>> Pop the covers. There is a heavy read wire that feeds Dc to the final. 
>> Remove that wire (may need to trace it back ) and apply power.
>>
>> Sounds like a shorted driver/final
>>
>> Mike wb8vge
>>
>> Sent from my iPhone
>>
>> On Jul 13, 2012, at 9:56 PM, Ben Hall <kd5byb at kd5byb.net> wrote:
>>
>>> Hi Phil!
>>>
>>> Thanks for the reply.  Warmed up the scope and the AC ripple on the
>>> power supply is less than 75mV peak to peak.
>>>
>>> I got out a 10amp, 13.8VDC supply and tried it.  It seems like it tries
>>> to come on, all the LED's light, a relay clicks, then the power supply
>>> goes into current limit, everything shuts off.  The power supply will
>>> recover, put out voltage again, all the LED's light etc., power supply
>>> goes into limiting and does it again and again...  :(
>>>
>>> (I didn't let it do it more than three or four times before turning it 
>>> off)
>>>
>>> So I'm thinking that power supply is okay and the trouble is indeed
>>> inside the radio.  :(
>>>
>>> thanks much and 73,
>>> ben, kd5byb
>>>
>>>
>>>
>>> On 7/13/2012 7:59 PM, Phil Chambley, Sr. wrote:
>>>
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>
>
>
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