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Looking for Rare Trace Rot/Trace Sep Pot for 556


 

Part number is 311-0595-00

It's 3 potentiometers... two 500 kohm pots, and one 10 kohm pot.

If I'm unable to find this potentiometer, anyone have any ideas what sort of modern thing I could replace it with? I have access to a machine shop if that helps.


 

Does either pot work ? I suspect the separation might be one of their fancy play pots, it moves one pot so much and then the other after like 7 degrees or so of rotation. The trace rotation can usually be subbed anywhere, it should rarely need adjustment. Most of the need for it is because of tolerances in the CRT, not the Earth's magnetic field. if it was the Earth's magnetic field you would see the trace move if you had a speaker next to it, the poles of the Earth are very weak.


Paul Lundwall
 

I believe that you can get on digikey or Mousers web site and build what you need using Clairostat parts.