[Drake] R-4B calibrator problem

Dan W. Dooley dandooley at pipeline.com
Sun Jul 10 23:19:04 EDT 2005


I would start by checking the electrolytics.  I believe (I've got an R-4B 
but it's been a while since I've been under the hood) that there is at least 
one small electrolytic on the cal. board.  Or at least in the power lead.

Dan W. Dooley WB5TKA
Dooley's Treasure Chest
  email: dandooley at pipeline.com
  Web: http://www.dooleystreasurechest.com


----- Original Message ----- 
From: "Chris Codella, W2PA" <w2pa at arrl.net>
To: "Drake list" <drake at mailman.qth.net>
Sent: Sunday, July 10, 2005 10:58 PM
Subject: [Drake] R-4B calibrator problem


> Have any of you run into this one?
>
> Suddenly today the 25kHz calibrator in my R-4B stopped working - but not 
> entirely.  When turned on, it seems to emit a raspy sounding signal every 
> 50kHz (instead of a carrier every 25).  Strange.
>
> Before digging in, I thought I'd ask here first.
>
> Tnx, 73,
> Chris, W2PA
>



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