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
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
: 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
Also have your friend check his grounding. Stray RF getting into the PS-7
will also shut it down.
73
Lee WB6SSW
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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
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