[TenTec] Power Supply temperature

[James C. Owen, III]

Dave, Check the final bias.  It sounds like there is current being pulled by the finals when in receive.  In receive there should be very little or no current drawn by the finals.  Likely either the bias adjustment is off  for some reason or something has failed.
73 Jim K4CGY





On Thursday, February 20, 2014 4:48 PM, Brian Carling <bcarling at cfl.rr.com> wrote:
 
Thanks. I will check the voltage and also add a fan. I have weights on the bug key. So it's just another add-on, LOL

Best regards - Bry Carling




> On Feb 20, 2014, at 4:35 PM, Clayton Brantley <clayton_n4ev at yahoo.com> wrote:
> 
> Bry, a fan is in order.  I have one on the heatsink of my VI+ and it helps.
> I use a battery backed PS here and not too much heat from it.
> 
> 73 Clayton N4EV
> 
> 
> 
> 
> 
> On Thursday, February 20, 2014 4:16 AM, Dave Edwards <kd2e at comcast.net> wrote:
> 
> Bry.....If I get a chance, I'll get into a CW QSO tomorrow, and see what 
> the heat sink does.
> My S meter performs fairly normal...or like other rigs.
> Dead band, s meter lies on zip or S1...but I can always find signals 
> that are 20 or so db or more.
> If I coax switch back and forth between several other rigs...its in the 
> same range.
> ....Dave
>> On 2/18/14 9:20 PM, Bry Carling wrote:
>> Thank you Clayton,
>> 
>> It sounds like this is a very common thing with Tentec Radios / Power supplies of the 1980s.
>> Maybe into the 1990s as well. I am sure the engineers just expected you to keep things from
>> touching the super hot heatsink back there, and also never to live in Florida (grin!) A fan is
>> definitely going to get added.
>> 
>> I have been loving this OMNI VI Plus though. The S meter is a terrible liar, and my noise level
>> can be anywhere from S2 to S6 here on most bands. It hovers around S4 usually which is
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