From: "Carel, PA0CMU" 
Subject: RE: [drakelist] TR-7 Receiver Noise


"Carel, PA0CMU"  made an utterence to
the drakelist gang
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Vic,

Try this:
- disconnect the AC-line!
- remove the PS7 control cable on the rear panel of the TR7
- make a temporary connection with a piece of wire between pins 1 and 2 of 
the PS7 control cable connector. The PS7 is switched to "ON" mode now.
- carefully connect the AC power
- the TR7 is switched ON too, but without the AC current through the wires 
in the rig.
- don't use transmit mode because the fan doesn't work either!
- listen to the "noise" you heard before. If it's gone now, the
AC wiring in 
the TR7 is the reason of your unwished signal.

Good luck, be carefull, AC power lines are dangerous. Here in the 
Netherlands we even have 230V.
Carel - PA0CMU.

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