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Thorens TD 125 MkII Drive Motor Needed

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duderduderini

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Joined 2004
Is it the Motor or drive board

Hi
When the motor vibrates and doesnt start, generally it is either bad caps on the board (1000uF 25V electrolytics) or the amplifier transistors. Does the motor turn? If you get the wobbles on speed change I am wondering if the voltages are set up correctly for the different speeds.
Apply dvm to yellow wire to motor then other lead to the other and meaure the follwing voltages 16 rpm 3.2V 33rpm 5V 45 rpm 6 Volts.
Nick
 
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