[R-390] HP 606A: Seeking cabinet and RF shield UPDATE
Barry
n4buq at knology.net
Wed May 19 16:56:35 EDT 2010
On 5/19/2010 2:19 PM, David Wise wrote:
> There was one black beauty and one small axial-lead electrolytic.
> I replaced them without even checking them. And some of the
> coils had come loose and needed to be glued back onto the turrets.
>
> It works, on all bands, AM and CW. I think it's a winner,
> so now I'm truly interested in a shield and cabinet. (I have
> hear that the cabinet is common to many instruments of the
> same vintage. However, the manual lists it as part number
> 606A-44A-2, which sounds unique. I'll keep my eyes peeled
> anyway.)
> I am also looking for expert opinion regarding the serial number.
> That is, I can't find one anywhere. Examination of the circuit
> indicates the prefix is either 943 or 009. The difference is
> Change C in the scan of 00606-90013 available at Agilent.
> This change replaced the coil forms with new ones that were
> interchangeable with the old. No further information is given,
> but my coils do not match the drawings. The manual shows
> allen-head tuning cores, while most of my coils have a slotted
> 6-32 stud. Are these the older ones?
>
> Thanks,
> Dave Wise
>
Mine has hex-key tuning cores. The cabinet says it's an 842 prefix.
Barry - N4BUQ
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