26
Jan, 2026

Loading Motor Pulley For Sony Minidisc drive MDM-7B

The pulley is part of the Sony Minidisc MDM-7B drive, attached to Loading motor M103, Sony part number A-4735-074-A.

Sony HCDCP500 motor pulley
Sony HCDCP500 motor pulley
Replacement gear in assembly

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

You can find the pulley here in the schematics:


The pulley is compatible with Sony Minidisc Players HCD-CP500MD, CHC-CL5MD, CMT-J300, HCD-J300, CMT-DC500MD, DHC-ZX50MD, HCD-ZX50MD, DHC-NX5MD, CMT-CP500MD. It can also be compatible with other devices – check your service manual.

The gear is available in the e-shop.

X33635011

23
Jan, 2026

Aiwa Head Housing Gear 81-506-237-01 (16 teeth)

Replacement Reverse Head Housing Gear for Stereo Cassette Deck Aiwa AD R550, AD FX-90, part number 81-506-237-01.

The gear was created using a precise 3D printer and was tested for correct operation.

Aiwa AD-R550
Aiwa AD-R550

Schema – position of the gear in the cassette drive assembly:

Compatible devices: Aiwa AD R550, AD FX-90 and other models – check the service manual.
Available in the e-shop

26
Jul, 2025

Sony TC-WR 810 Lever Assy Gear

Replacement gear that is part of Lever (TU Arm) Assembly in Sony tape deck TC-WR 810, TC-818M, MHC-3300CD and similar.

Part numbers:
X-3343-405-1 (LEVER TU ARM FWD ASSY)
X-3343-406-1 (LEVER TU ARM REV ASSY)

The gear was produced using a precise 3D printer and tested for proper operation.

Please note that the lever is not included; only the gear is provided.

Sony TC-WR 810 Lever gear
Sony TC-WR 810 gear in Lever assembly
Sony TC-WR 810 Lever Gear in drive assembly


The gear position in the schematic:



Gear is compatible with Sony cassette recorders TC-WR 810, TC-818M, MHC-3300CD and other models—check the service manual.

Available in e-shop.