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Thanks for the tip. I have a similar model in storage; cannot recall its model number but it is an AJ- for sure. Matsushita sure liked those Hall effect motor circuits on their Technics turntables. When they were new they must have been state of the art, but as we now see, simple parts like springs and 'lytics cause them to go off speed.
I had an SL-D turntable model with erratic bursts of high speed operation, which turned out to be the platter rim speed sensor inside the plinth being ~half inch too far away.
Apparently it had gotten knocked askew at some point. It played 33.3 all day after carefully epoxing it in place.
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