Onkyo Minidisc MD-101A Gear 2646-571-11

Replacement gear marked 2646-571-11 for Onkyo Minidisc recorders MD-101A and FR-155. Cracked gear causes “Mecha Error”.

The replacement part was created using a high-precision 3D printer using durable Nylon material. The gear was tested for correct operation.

You can find the gear here in schematics:


Gear is compatible with Onkyo Minidisc Recorders FR-155 and MD-101A.
It can be compatible also with other devices – just check your service manual.

The gear is available in the e-shop.

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Loading Gear 4 For Sony Minidisc MDS-JA30ES / MDS-JA50ES

The gear is part of the Sony Minidisc MDS-JA30ES and MDS-JA50ES tray assembly. Sony part number is 4-987-293-01 Gear (4).

Replacement part was created using a semi-professional 3D printer using durable Nylon material. The gear was tested for correct operation.

You can find the gear here in schematics:


Gear is compatible with Sony Minidisc Recorders MDS-JA30ES and MDS-JA50ES. It can be compatible also with other devices – just check your service manual.

The gear is available in the e-shop.

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Midway “B” Loading Gear For Sony Minidisc MZ-1

The gear is part of the Sony Minidisc MZ-1 loading assembly. Sony part number is 4-955-496-01 Gear (Midway B).

Replacement part was created using a semi-professional 3D printer using durable Nylon material. The gear was tested for correct operation.

You can find the gear here in schematics:


Gear is compatible with Sony Portable Minidisc Recorder MZ-1 and other minidisc devices using mechanism type MT-MZ1-106 – just check your service manual.

Replaced gears:


The gear is available in the e-shop.

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Midway “C” Loading Gear For Sony Minidisc MZ-1

The gear is part of Sony Minidisc MZ-1 loading assembly. Sony part number is 4-955-497-01 Gear (Midway C).

Replacement part was created using a semi-professional 3D printer using durable Nylon material. The gear was tested for correct operation.

You can find the gear here in schematics:

Sony MZ-1 schematic


Gear is compatible with Sony Portable Minidisc Recorder MZ-1 and other minidisc devices using mechanism type MT-MZ1-106 – just check your service manual.

Replaced gears:

Pictures of the gear replacement – thanks to Stanislav!.
https://www.facebook.com/media/set/?vanity=cizmickovy.kaktusko.1&set=a.689272872510005

The gear is available in e-shop.

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Sled Gear For Sony Minidisc MDM-3A Mechanism (MDS-JE500)

The gear is part of Sony Minidisc MDM-3A mechanism – optical pickup KMS260A and KMS260E. It drives screw that positions the laser pickup. Sony part number A-3304-200-A.

Replacement part was created using a semi-professional 3D printer using durable Nylon material. The gear was tested for correct operation.

You can find the gear here in schematics:

Sony MDS-JE500 schematic


Gear is compatible with following Sony Minidisc players:
MDS-JE500, MDS-JE510, MDS-JE520, MDS-JE480.
However, it might work also with other devices – just check your service manual.

The gear is available in e-shop.
(plastic gear only, without the screw rod)

X33635011