9474a971   
   From: nasadowsk@usermale.com   
      
   In article   
   <75d60664-a6bf-4b3a-94e4-be4adcc4d94c@21g2000yqj.googlegroups.com>,   
    Corvette Bob  wrote:   
      
   > I'm not   
   > sure if a bad pulse amp tube will continuously fire the 2050   
      
   From the schematics I've seen, it really shouldn't.   
      
   What you might want to do, once the unit's rebuilt, is check the bias on   
   the 2050.  There's a test point for that.  IIRC, it should be a negative   
   number, and grounding the test point will cause the tube to fire.   
      
   Did you check the trip switch and mech wiring yet?   
      
   My guess is you just don't have the bias supply because it's not working   
   right, and the rebuild will solve this.   
      
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