[TenTec] Orion-1 problem

[pfizenmayer]

Or the diodes or driver that switch the hardware NB in /out could kill 
normal main rx but leave signal to the sweep ??? -- Hank K7HP


----- Original Message ----- 
From: "Ron Castro" <ronc at sonic.net>
To: "bill ogden" <billogden at optonline.net>; "Discussion of Ten-Tec 
Equipment" <tentec at contesting.com>
Sent: Friday, June 26, 2009 9:33 PM
Subject: Re: [TenTec] Orion-1 problem


> Bill: If I had to take a guess, I would be looking at the roofing filters.
> They are in the RX chain, but after the point where the sweep takes its
> signal.  Everything appears to be fine up to that point.  Check over the
> entire range of bandwidths to see if it's a single filter.  If it's bad at
> all bandwidths, then the problem could be in the A5 board, perhaps FL5 or
> FL1 or any circuits associated with them.  It could also be in the A7 
> logic
> board, but I would tend to discount that if the transmit works OK.
>
>           Ron N6IE
>       www.N6IE.com
>
> ----- Original Message ----- 
> From: "bill ogden" <billogden at optonline.net>
> To: <tentec at contesting.com>
> Sent: Friday, June 26, 2009 9:45 AM
> Subject: [TenTec] Orion-1 problem
>
>
>>I had many suggestions to reseat the cables.  I did this, including a
>>slight twist on all the small coax cables on the top chassis, the bottom
>>chassis, and the front panel.  Also tried flexing the panel (just a little
>>bit).  Absolutely no reaction.
>>
>> Sub receiver works well.  Main receiver acts as if no antenna is 
>> attached,
>> BUT the sweep (with the latest beta firmware) indicates normal signals so
>> signals must be entering the main receiver. Transmitter is OK.  (Problem
>> started before installing the latest firmware, so that is not the
>> problem.)
>>
>> Master reset did not solve the problem, either.
>>
>> Rats.
>>
>> Bill - W2WO
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>
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