My Sony PS-X4 has unstable speed on 45 rpm

This is an easy fix.
Download the service manual from vinyl engine. This table shares the drive system with the PS-X5/6/7.
Fixing this issue is described in the service manual. You have to open the bottom of the table. In there, you have to loosen a wire, which disengages the x-tal lock system. Subsequently adjusting the speed pot until the speed is as close as possible and finally re-fixing the wire.

Good luck!
 
Sony PS-X4

This is an easy fix.
Download the service manual from vinyl engine. This table shares the drive system with the PS-X5/6/7.
Fixing this issue is described in the service manual. You have to open the bottom of the table. In there, you have to loosen a wire, which disengages the x-tal lock system. Subsequently adjusting the speed pot until the speed is as close as possible and finally re-fixing the wire.

Good luck!
Do I have to plug it in after disengaging the x-tal to check the speed?
Thanks
 
Yes, you have to make the table spin and adjust the pot indicated speed on the circuit board. The goal is to get the speed as close as possible using the strobe light.
 
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