ION Superior LP - Turn Table HUM Noise

Hi~ I just bought the 'ION Superior LP' & tested it.

For the ither audio source is perfect, no problem. but if only turn table has HUM noise. How to solve it? i tried to find some info from youtube etc, they said GND problem. but there is no GND wire or others.

Please help. it can be GREAT AUDIO eve if the problem is solved.

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