[TenTec] Corsair II noise blanker

[Doug Reid]

Have you confirmed that the newer board is a completely different design from your old board ? Are the components different ?  I have an Argonaut 505 and the power amp board is a different number from what is shown in the 505 manual. It is identical to the newer boards built for the 509. But the number on the board is not the same.  Back in the day, I have a feeling new boards were tried and superseded without much documentation.

Doug WD4LNW

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-----Original Message-----
From: A R <raf_3 at msn.com>
To: tentec <TenTec at contesting.com>
Sent: Wed, Mar 26, 2014 10:04 PM
Subject: [TenTec] Corsair II noise blanker



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<pre style="font-size: 9pt;"><tt>Of my two Corsair II's, one has a NB board p/n 80977, which correspond to the NB called out in the manual. The other Corsair II has a NB board p/n 81401, for which I've not been able to find any documentation. TenTec has been unable to find documentation for this NB, despite the fact that it appears to be of production quality (not one-off lab bench quality). Does anyone else have a Corsair II with the 81401 NB, or any information (schem and interface interconnect) for this NB? The 81401 NB has roughly 2/3 the component count of the 80977, and has no unpopulated holes or device hole patterns. S/N of the Corsair II with the "rogue" NB is 561-02258.

Thanks,
Allen---W7GIF 
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