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30
Jul, 2020

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.

4-957-284-01 replacement gear

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.
However, it might work also with other devices – just check your service manual.

Available for purchase.

1
Dec, 2019

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

Prototype – available for testing only.

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.

  • X-3356-638-1 Motor (Reel R) Assy Gear
  • X-3356-638-1 Replacement Part

3D printed replacement part was created according to the original part but it was not fully tested yet.

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

Anybody who is interested in testing and helping to finish the design is welcome. I can send the prototype for this purpose.

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.