-------- Forwarded Message --------
From: snowy.howell@openreach.co.uk
To: geraldj@storm.weather.net
Cc: snowy.howell@btinternet.com
Subject: Ten Tec archives
Date: Thu, 11 Jun 2009 11:47:28 +0100
Good morning Doc from the UK.
I have a request for help/advice that I would like to post onto the
Ten Tec archives but cant seem to post it.
If tell you my tale of woe can you be so kind as to post it for me or
advise how I can do it for myself.
I have a Corsair 1 that now has some erroneous frequency readings on
10, 17, 21.
When I purchased it there were no readings at all (all 'E's), the
circuit diagram and component layout pictures in the manual are
different to what is fitted to the radio.
I purchased at great expense the 'prom' for the counter display, that
made no difference.
I then replaced all of the 'ic,s' in the counter and it started
working on some bands.
I subsequently found out from the seller that he had changed all the
diodes on the counter board, on checking the circuit diagram some of
the diodes look to be the wrong way round, maybe this is what is
causing the erroneous readings!!
I have only Corsair II data and there are no diodes on the counter
board, but a gang of diodes could have been used in the Corsair to
convert band data to binary for the processor. Diodes backwards will
upset that logic.
My question is 'Has anybody got a digital picture or can take one of
the diodes so I can compare their picture to my PCB'.
Is the frequency display the same as the Corsair 2, I have 1 of those
radios as well that I can refer to.
Apparently not since there are no diodes on the 2's counter board. There
is a single wire band input but I've not been able to trace it. Probably
the BFO, and injection frequency inputs are enough to count the band
correctly.
If you please pick out the relevant points and post that for me
please.
Regards
73
G0HZE
Snowy Howell BCRE25
BT OPENREACH
Tel (01733) 816251
Fax (01733) 331886
E mail snowy.howell@openreach.co.uk
73, Jerry, K0CQ
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