[Collins] KWM2A receive alignment - USB/LSB

[Fern Rivard]

Hi Steve:
    You either have a bad USB crystal or the mechanical filter is 
defective so that it is NOT symmetrical any more. Another possibly is 
defective capacitors in the USB circuitry although not likely.   Fern



----- Original Message ----- 
From: "Steve Garwood" <n0czv at willard-oh.com>
To: <Collins at mailman.qth.net>
Sent: Monday, January 30, 2006 6:32 AM
Subject: [Collins] KWM2A receive alignment - USB/LSB


>I have noticed that the receive audio on my RE KWM2A is noticeably 
>different
> between USB and LSB.  LSB has fuller audio, USB is sharper.  In 
> reading
> through the alignment procedures, I'm not too clear on where I should 
> be
> looking to correct this.  I have to admit I have more experience with 
> the
> Drake tube receivers in adjusting the carrier oscillator (C130) so 
> that
> there is little difference when switching back and forth between USB 
> and
> LSB.
>
>
>
> There doesn't appear to be anything as simple as this in what I have 
> been
> reading.
>
>
>
> I'm assuming that the KWM2A alignment procedure ultimately covers 
> this, but
> is there a simpler way to accomplish this?  I'd rather not dig into it 
> until
> I know more about it.
>
>
>
> Thanks for any information..
>
>
>
> Steve Garwood, N0CZV / AFA1GQ
>
> Attica, Ohio
>
>
>
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