[Amps] trouble shooting Hunter 2000c

[TexasRF at aol.com]

Perhaps the new transformer has lower resistance windings, causing higher  
turn on current flow and welded the switch contacts in a closed condition?
 
Does that amplifier have a surge limiting circuit for the AC input?
 
73,
Gerald K5GW
 
 
 
 
In a message dated 1/8/2010 10:11:37 A.M. Central Standard Time,  
cchedrick at gmail.com writes:

Happy  new year!
Well, recently I was operating this amp the power suddenly fell  off ~200
watts so I went to shut it down.  The power switch will not  turn it off so 
I
had to unplug it.  Now, I have full plate  voltage,  plate current, and have
isolated the filament wires from the  RF Choke to check that circuit, with 
no
change.  I'm stuck wondering  how the AC is shorted to ground thus rendering
the switch inop.  The  transformer is a new Peter Dahl.  Where to go next?
All suggestions  will be greatly appreciated.
Tnx es  73,
Cam
WA4JKW
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