[Test-Equipment] HP-606A Calibration question

[wolfbob]

I remember reading a very learned HP person stating that if you used the 
"proper" alignment procedure of the 606 you didn't have to bend any plates. 
I never tried it and that is the extent of my contribution here.

WBob, WB6JPI
----- Original Message ----- 
From: <DJED1 at aol.com>
To: <test-equipment at mailman.qth.net>
Sent: Tuesday, May 26, 2009 8:12 AM
Subject: Re: [Test-Equipment] HP-606A Calibration question


>I haven't worked on the 606, but I've tackled that problem on a couple of
> my boatanchor receivers.  On my older Super-pro I found that shifting the
> dial relative to the capacitor a little bit, then realigning, helped a lot
> with  a mid-dial error.  In the case of this radio, it was simple to 
> loosen
> the  setscrews on the dial and move it relative to the tuning cap.  I 
> probably
> cut the error in half.  Before doing this, check the other bands and see
> if  they have the same type of error.
> On my SP-600 I didn't have a big error, and it wasn't clear how to loosen
> the dial, so I just did the alignment to split the error: In your case,
> align at  say 1600 and you'll have some error at 1800, but less in 
> midband.
> Ed  W2EMN
> **************A Good Credit Score is 700 or Above. See yours in just 2 
> easy
> steps!
> (http://pr.atwola.com/promoclk/100126575x1222377034x1201454326/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072&hmpgID=62&bcd=
> MaystepsfooterNO62)
> ______________________________________________________________
> Test-Equipment mailing list
> Home: http://mailman.qth.net/mailman/listinfo/test-equipment
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Test-Equipment at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>