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Turntable spinning backwards

Hi I just got a Marantz TT42 in good conditions. The problem is that once turned on it spins backwards. I could not fugure out any solution (the belt looks well placed). Another problem is that it spins very very fast (I supose like 4 time faster then it should). if anyone has any idea about it... Thank you veru much My Technics SL-QL1 when turned on and the start button is pressed, doesn't run. The platter rocks back and forth for a few seconds. If I turn it by hand, it will only run backwards. Do I have bad Hall effect sensors or the IC that controls the speed?

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Defective control PC board. take in for service

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