[Johnson] Pacemaker RF Phasing Unit

Lee via Johnson johnson at mailman.qth.net
Wed Dec 31 12:00:51 EST 2014


Bob:
 
I don't recall having a similar problem with my Pacemaker.  However,  the 
dissected schematic on my web site might help you troubleshoot it:   Scroll 
down the page to find it.
 
http://www.emmittsfixitshop.com/Projects_Pacemaker.html
 
73 es GL
Lee WB6SSW
 
 
In a message dated 12/31/2014 12:35:06 A.M. Pacific Standard Time,  
ranickel at comcast.net writes:

Wonder  if anyone has had enough trouble with the RF Phasing unit in the 
Pacemaker  to warrant removing it?    Mine will not produce a 90 degree  
phase shift on 20 meters, and the construction makes it impossible to  
inspect the switch contacts or check the capacitor that's supposed to be  
selected for this band without pulling the entire module.

Just  thought I'd ask if anyone has been there, done that before tearing 
into  it.   The Pacemaker as a whole was not one of Johnson's best  
efforts, but making this module unservicable sure adds to the fun  ;-)

73, Bob  W9RAN


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