Q: The anti-skating adjustment rod has detached from the magnet - how do I reattach it?

The anti-skating mechanism of the TP 92 uses frictionless ferrite magnets integrated into the tonearm. If the adjustment rod has detached from the magnet, it is a delicate mechanical issue that requires special attention. What to do in case of detachment Do not force reassembly - The rod and the magnet are precision components. Attempting to force them could further damage the mechanism. Visual inspection - Check if the rod and the magnet show visible damage (cracks, bending) or if the separation is 'clean'. Critical alignment - The magnet must be properly aligned with the rod to function. Misalignment would compromise the system. Recommended solutions According to the manual, the anti-skating adjustment of the TP 92 is factory pre-adjusted via the adjustment screw (visible Fig. 3). However, a mechanical separation goes beyond simple adjustment. Two options: Professional repair - Contact a technician specialized in turntables (audio luthier or Thorens repair technician). The technician will know how to realign and securely reattach the magnet and the rod properly. Return to manufacturer - Thorens, a German manufacturer, can diagnose the problem and perform a certified repair. In the meantime: Anti-skating is an important compensation system, but not critical. You can use the turntable cautiously in the absence of optimal anti-skating, although this increases premature wear of the needle and the record.

Question 1

The anti-skating adjustment rod is stuck - how to unlock it?

Accepted Answer

If the anti-skating adjustment rod of your TP 92 is stuck and can no longer turn to adjust the magnet, here’s how to proceed:

Before forcing

Never force the adjustment rod. If it resists, it is usually due to crystallization of the original lubricant or minor rust on the screw. Forcing could damage the zero-friction mechanism that ensures the precise operation of the anti-skating.

Progressive solutions

Light cleaning: Using a very fine dry cloth, gently wipe the adjustment rod and the area around the screw. Turn very slightly back and forth (less than a quarter turn) without forcing to gradually decrystallize.
Very light lubricant: Apply a tiny drop of silicone-based lubricant (watch lubricant type) directly on the adjustment screw. Wait 15 minutes, then try to turn gently.
Gentle vibrations: Sometimes, lightly tapping the rod with a small rubber mallet helps to "unstick" the screw without forcing it.

If it unlocks

Once mobile, test the adjustment by turning counterclockwise to increase the anti-skating force, and clockwise to decrease it. A white dot is engraved on the tonearm to help you track the position.

Important: Never overtighten after adjustment. The TP 92 manual emphasizes not to overtighten the screws after adjustments, as this would damage the friction system.

Question 2

The anti-skating adjustment rod has detached from the magnet - how do I reattach it?

Accepted Answer

The anti-skating mechanism of the TP 92 uses frictionless ferrite magnets integrated into the tonearm. If the adjustment rod has detached from the magnet, it is a delicate mechanical issue that requires special attention.

What to do in case of detachment

Do not force reassembly - The rod and the magnet are precision components. Attempting to force them could further damage the mechanism.
Visual inspection - Check if the rod and the magnet show visible damage (cracks, bending) or if the separation is 'clean'.
Critical alignment - The magnet must be properly aligned with the rod to function. Misalignment would compromise the system.

Recommended solutions

According to the manual, the anti-skating adjustment of the TP 92 is factory pre-adjusted via the adjustment screw (visible Fig. 3). However, a mechanical separation goes beyond simple adjustment. Two options:

Professional repair - Contact a technician specialized in turntables (audio luthier or Thorens repair technician). The technician will know how to realign and securely reattach the magnet and the rod properly.
Return to manufacturer - Thorens, a German manufacturer, can diagnose the problem and perform a certified repair.

In the meantime: Anti-skating is an important compensation system, but not critical. You can use the turntable cautiously in the absence of optimal anti-skating, although this increases premature wear of the needle and the record.

Question 3

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

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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