How to change the belt of the THORENS TD 190-1 turntable?

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Accepted Answer

To change the belt of your THORENS TD 190-1 turntable, you need to obtain a compatible replacement belt with dimensions 0.9 × 4.0 × 496 mm made of special Thorens rubber. This flat belt ensures stable transmission from the electronically controlled DC motor to the turntable to maintain a consistent speed. Start by completely unplugging the device to avoid any electrical risk.

Proceed to remove the turntable:

Gently lift the turntable. It may be necessary to slightly rotate it to gently free it from its central axis.
Locate the old worn belt, wrapped around the motor and the platter. Carefully remove it by sliding it out of its two locations.

To install the new belt:

Place the new belt around the motor pulley, wrapping it correctly in its groove.
Then wrap the belt around the turntable, ensuring it is properly positioned without twisting or excessive tension.
Check that the belt sits completely in its two locations and that it is not stuck or bent.

Replace the platter by gently pushing it back onto its central axis. Ensure it spins freely by rotating it by hand. Plug the turntable back in and test its operation by running the empty platter for a few seconds to allow the belt to find its equilibrium position. Then start playing a record to check that the speed is stable and that the belt does not slip. If you observe unstable speed or abnormal noise, check that the belt is not too tight or misaligned.

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