[Hammarlund] Sp-600 rewired for product detector

stbradford stbradford at insightbb.com
Sun Mar 30 21:22:54 EST 2008


   Hello group,

 I have finished the rewiring of the SP-600 for the product detector 
circuit as found on the Hammarlund service page. See   
http://www.hammarlund.info/SP600mods.htm

The article is well written by AB7YD and the installation went as 
described. I haven't made the meter scale change yet, saving that for a 
rainy day.

I used a small 12 vdc dpdt relay from Radio Shack I placed it on the 
underside of the chassis with a small amount of two part epoxy.

The completed circuit changes can be seen at    
http://w9hak.home.insightbb.com/

Smith Bradford
W9HAK




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