[Drakelist] TR-7A Shutting Down At High Power

2011-04-13 Thread rfchoke
I have a friend who remarked that his TR-7A shuts down when he tries to run full rf output. Otherwise the rig runs fine. Is this problem related to the current adjust pot in the PS-7 power supply? Any suggestions would be appreciated Tnx 73 Ed K2ZE

Re: [Drakelist] TR-7A Shutting Down At High Power

2011-04-13 Thread Don Cunningham
Ed, From my limited experience, that is indeed the problem, the PS-7 is current limiting due to a need to adjust it. I think that instructions for adjustment are in the PS-7 manual. One friend's rig had a bad pass transistor and exhibited this same symptom, however. I would still try the

Re: [Drakelist] TR-7A Shutting Down At High Power

2011-04-13 Thread K9sqg
: rfch...@verizon.net To: drakelist@zerobeat.net Sent: Wed, Apr 13, 2011 2:24 pm Subject: [Drakelist] TR-7A Shutting Down At High Power I have a friend who remarked that his TR-7A shuts down when he tries to run full rf output. Otherwise the rig runs fine. Is this problem related to the current

Re: [Drakelist] TR-7A Shutting Down At High Power

2011-04-13 Thread LeeCraner
Also have your friend check his grounding. Stray RF getting into the PS-7 will also shut it down. 73 Lee WB6SSW ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist

Re: [Drakelist] TR-7A Shutting Down At High Power

2011-04-13 Thread Ron
leecra...@aol.com Subject: Re: [Drakelist] TR-7A Shutting Down At High Power To: rfch...@verizon.net, drakelist@zerobeat.net Date: Wednesday, April 13, 2011, 4:16 PM Also have your friend check his grounding.  Stray RF getting into the PS-7 will also shut it down.   73 Lee WB6SSW -Inline