[TenTec] Please help with touchy OMNI - D

Bwana Bob wb2vuf at verizon.net
Tue Jan 19 19:16:22 PST 2010


Does it do that on every band? I had a defective Low Pass Filter board 
in my Corsair that caused it to trip out on 80 meters when I increased 
power.

				73,

				Bob WB2VUF

Mike Bryce wrote:
> Well first thing I would do would be to dump the output of the omni  
> into a good dummy load. Then I'd monitor the transmit current (a amp  
> meter in line with the power supply would do) and see what the current  
> draw is.
> 
> the ps shutdown is set to trip at about 20ish amps
> 
> if the supply shuts down before that level is reached, then suspect  
> power supply (did you try the omni with a different supply?)
> 
> 
> Mike, WB8VGE
> SunLight Energy Systems
> The Heathkit Shop
> http://www.theheathkitshop.com/
> J e e p
> o|||||||o
> 
> A man with one clock knows what time it is. A man with two clocks is  
> never sure.
> 
> 
> 
> 
> On Jan 14, 2010, at 1:16 PM, Virginia Smith wrote:
> 
> 
> Hi All,
> 
> 
> 
> I've had this OMNI - D since 1998, bought from the original owner who  
> had had it serviced prior to sale, however all the time I've had it,  
> the rig has been very "touchy"  The circuit breaker on the 252M power  
> supply trips often.  I was told by a couple of local TenTec users to  
> consult this list, and that it could be an issue with the power supply  
> or the ALC circuitry - which I have never quite understood how to set.
> 
> 
> 
> FYI, I am on an 88 ft doublet antenna, fed with ladder line on an MFJ  
> antenna tuner.  I can tune at low power, but when I go above a few  
> watts I am operating on the edge of shutdown.  There is no evidence of  
> stray RF, as I get reports of a clean signal when I do get on the air.
> 
> 
> 
> Also I am currently using the same antenna/tuner setup on a loner Icom  
> rig, and everything is fine.
> 
> 
> 
> Any ideas?
> 
> 
> 
> Thanks
> 
> 
> 
> 73
> 
> Virginia
> 
> KD5EZN
> 
> ginnieruth at hotmail.com
> 
> 
> 
> 
> 		 	   		
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