[R-390] R-390A Rebuild.. More Pics.

Jon Schlegel ews265 at rochester.rr.com
Mon Jun 29 09:35:08 EDT 2009


Hi Steve and List,

Wow!  Looks great!  The RF deck is my next task on my Motorola.  The 
photos of your excellent work gives me more confidence to tackle the 
RF deck (all those gears!).  Good deal on cam alignment.  I've heard 
that there's a lot of commonality in the 390A slugs so it seems 
scrounging one shouldn't be a problem.  I have no spares otherwise I 
could offer to help out.

Best regards,
Jon WA3MVM


At 09:16 AM 6/29/2009 -0400, Optonline wrote:

>Hi All!
>
>After a bit of work, I finally finished the re-build of the RF Deck this
>weekend, and I've attached a Flickr link to some photos.
>In retrospect, it really was not that bad at all. While I have no parts left
>over  :), I did discover I am short one slug-rack spring. Arrgghh.
>
>http://www.flickr.com/photos/39242405@N06/sets/72157620566596083/show/
>
>The synchronization of the cam alignment, MHz detent, bandswitch, and
>crystal osc. is perfectly spot-on, with exactly 35kc over-run on each end of
>the dial. The tuning is now incredibly smooth.
>Every Erie trimmer was disassembled and cleaned, and in some cases, replaced
>due to cracked ceramic disks. This was the most time consuming effort.
>
>With most everything cleaned up, I will begin the electrical makeover  with
>a massive re-cap session over the next few days as time permits.
>
>I'll post more soon..
>
>Steve N2JXL
>
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