Clean the push buttons for ¡°Fixed XMIT¡± before you go in to extensive troubleshooting. Best to clean the ¡°FIXED RCVR ?button and the ¡°AUX Program¡± rotary switch as well. I think this will fix your issue.
Gary?
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On Mar 12, 2023, at 6:15 PM, John B <wb9fhl@...> wrote:
?I have a TR7 that I picked up at a local hamfest, it came with the matching power supply.? I've gone through the power supply, cleaned it up and tested it.? All is good there.? The TR7 receives but on transmit it does not lock on frequency, it just counts up. I would like to obtain a set of the extender boards (part of the Drake TR7 Service Kit) but it appears that there are none to be found anywhere.? If someone has a set they would like to sell or let me borrow for my repair effort I'd much appreciate it.? I would be happy to pay the round-trip postage.? ? John
