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I found the problem with the grant some time ago. Someone had removed the roger beep oscillator transistor when attempting to remove the amc control. I replaced the transistor and it worked fine. Thanks
Last week I picked up a nice President Grant DX ( Dual Final Export )
Everything works as it should, and the original owner had modified some of the front switches for different features such as a 10kc switch, high/low power. NB/ANL & Roger beep switches are untouched.
This evening I finally got around to giving the radio a good alignment and it really came to life. The only thing I've found is that the roger beep is not producing a tone.
If the roger beep is turned on, it will hold the radio in TX for a short time after the mic is unkeyed. Listening to it on a monitor radio verifies that the transmit is staying engaged, but no tone is being produced.
The schematic I've found is good, but doesn't really have too much labeled on it.
I was wondering if anyone had experience with this radio and could help me figure out why I'm not getting a tone.
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