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@sonic.net>
To: "bill ogden" <billogden@optonline.net>; "Discussion of Ten-Tec
Equipment" <tentec@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@optonline.net>
> To: <tentec@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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