Midway 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.

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.

X33635011

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

Sony CDP-C77ES / C87ES / C715 Disk Table Pulley/Gear

Pulley/gear that rotates disk table in Sony CD Changer CDP-C77ES, CDP-C87ES, CDP-C715. There is no official replacement part, the gear does not have any part number.

Faulty gear can be replaced with 3D printed one. Replacement gear was fully tested for correct operation.

Gear position in the schematic:


Gear is compatible with following devices:
Sony CD Changer CDP-C77ES, CDP-C87ES, CDP-C715. .
However, it might work also with other devices – just check your service manual.

Available for purchase in e-shop.

Sony BU-30 CD drive sled motor gear (M102)

The gear is part of Sony CD Drive base unit BU-30 assembly. This drive is used in CD and VCD players. Base unit is marked BU-30BBD61M, A-4735-885-A. It is compatible with Aiwa BU-30 assembly.

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 A-4735-885-A BU-30B Assembly


Gear is compatible with following CD Players:
Sony HCD-M333, Sony MXD-D400, Sony RCD-W2000ES, Sony RCD-W10, Sony RCD-W100, Sony RCD-W222ES, Sony RCD-W500C, Sony RCD-W50C, Sony CHC-CL3 (HCD-CL3), Sony CMT-M373NT (HCD-M373), Aiwa XR-MN5 (CX-LMN5), Aiwa XR-EM400 (CX-LEM400), Aiwa BMZ-K1 (CX-BK1).
However, it might work also with other devices – just check your service manual.

The gear is available in e-shop.
(gear only, without motor)

X33635011

Sony CD Player 4-968-865-01 gear C

The gear is part of CD loader assembly in Sony CDP-X CD players.

CD Mechanism Type: CDM32EB-12C, CDM32EN-12C, CDM32HB-12H, CDM32HN-12H and compatible
Base Unit Type: BU-12C, BU-12H and compatible
Optical Pick-up Type: KSS-273 (KSS-273A, KSS-273B/J1N)

Sony CD Player 4-968-866-01 replacement gear

Faulty gear can be replaced with 3D printed one. Replacement gear was fully tested for correct operation.

original 4-968-865-01 gear cracked

Gear position in the schematic:


Gear is compatible with following devices:
CDP-XA7, CDP-XA7ES, CDP-XA555ES, CDP-XA50ES, CDP-X5000.
However, it might work also with other devices – just check your service manual.

Available for purchase in e-shop.

3D Lab CD12 Loading Gear

The gear is part of CD loader assembly in high-end CD player 3D Lab CD12. It uses Sony CD Drive (KSM2101ADM) so it can be compatible with other CD players too.

Faulty gear can be replaced with 3D printed one. Replacement gear was fully tested for correct operation.


Gear is compatible with 3D Lab CD12 Player.
However, it might work also with other devices based on Sony CD drive – just check your service manual.

Available for purchase in e-shop.

Sony CD Changer 4-957-284-01 Gear

The gear was used in Sony CD changers produced in the mid to late 1990s. It is a part of the CD tray and is responsible for the CD tray rotating.

Faulty gear can be replaced with 3D printed one.

Video showing replacement gear in operation.


Gear is compatible with following devices:
CDP-C23, CDP-C235, CDP-C245, CDP-C265, CDP-C345, CDP-C435, CDP-C445, CDP-C545, CDP-C661, CDP-C745, CDP-CA9ES, CDP-CE335, CDP-CE415, CDP-C250Z, CDP-CA8ES, CDP-CE525.
However, it might work also with other devices – just check your service manual.

Available for purchase in e-shop.

Sony X-3356-638-1 (Reel R) Assy Gear

Gear attached to the motor – part of Sony X-3356-638-1 Motor (Reel R) Assembly. Gear is also compatible with Sony X-3371-429-1 that is actualy a substitute part.

Replacement part was created using a semi-professional 3D printer. Slighty flexible material guarantees silent operation. The part was fully tested.

X-3356-638-1 Motor (Reel R) Assy position in drive

The part is compatible with following devices:
TCKA2E, TCKA2ES, TCKA2ESU, TCK620, TCK850, TCK850ES, TCRX79ES, TCWR901ES, TCWR99ES.

It also might be part of other device – just check corresponding service manual.

Available in e-shop.