The gear is part of CD loader assembly in Sony CD players.
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 4-968-866-01 gear cracked
Gear position in the schematic:
Gear is compatible with following devices: CDP XA555ES, CDP-XA50ES, CDP-X5000. However, it might work also with other devices – just check your service manual.
The gear is part of JVC 185505303ZT Reel Motor assembly. It is attached to reel motor shaft. The gear can tend to crack during the time and tape drive can become more noisy or does not work correctly.
JVC 185505303ZT Reel Motor Assy
JVC 185505303ZT Reel Motor Assy
gear design
gear attached to the motor
Replacement part was created using a semi-professional 3D printer using durable Nylon material. You can find the gear here in schematics:
The gear in drive schematic
Gear is compatible with following JVC devices: TD-X202. However, it might work also with other devices – just check your service manual.
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.
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
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.
Motorised input rotary selectors ALPS ASD1017 / Yamaha VT148400 were used in several Pioneer, Onkyo, Yamaha vinatage amplifiers. There were plastic gears that cracked during the time..
rotary selector
cracked gears
Replacement gears were created using a precise 3D printer and tested for correct operation.
3D printed replacement gears
Compatible devices: Pioneer A-501R, A-502R, A-701R, A-702R, Onkyo A 8051, 8940, 9510, 9511, 9711, 9911, Yamaha AX-1070 and more. The part is also labeled YamahaRotary Switch SRBA Gold VT148400 in Yamaha devices.
Replacement gear for rotary encoder 1-464-724-31 used in Sony DAT drives.
Rotary Encoder 1-464-724-31 Gear
Rotary Encoder Assembly
Rotary Encoder Assembly (photo by Paul)
You can find the gear here in schematics:
Gear was thoroughly tested for correct operation. Produced using a high precision 3D printer.
Gear is compatible with following Sony devices: DTC-55ES, DTC-75-ES, DTC-700, DTC-1000ES. However, it might work also with other devices – just check your service manual.
Replacement set of two loading gears for Sony DAT Tape drive. Part number 3-345-181-01 Gear (Loading A) and 3-345-182-01 Gear (Loading B) .
You can find the gears here in schematics:
Loading gear in tape drive assembly
Gears were thoroughly tested for correct operation. Produced using a high precision 3D printer. Material is nylon – strong and durable.
Gear is compatible with following Sony devices: DTC-55ES, DTC-75-ES, DTC-700, DTC-300ES, PCM-R500, PCM-7030 . However, it might work also with other devices – just check your service manual.
The gear is part of X-3363-501-1 motor assembly. It is attached to reel motor shaft. The gear can tend to crack during the time and tape drive can become more noisy or does not work correctly.
Sony X-3363-501-1 motor assembly with 3D printed gear
Faulty gear can be replaced with 3D printed one. This type of drive mechanism is quite easy to disassembly – just follow service guide steps. You can find the gear here in schematics:
Here is video showing replacement of the gear and operation in drive mechanism.
Gear is compatible with following Sony devices: MHC160, MHC1600, HS-TD107R, DX-AC90, TC-W490, TC-WR531, TC-WR545, TC-WR565, TC-WR645S, TC-H1600, TC-WR665S, TC-W435, TC-WE405, TC-WR635S, TC-WR701ES, TC-WR735S, TC-WE835S, TC-WA8ESA, TC-KA1ESA, DX-AS70C, HS-TD30, HS-TD305, TC-H3600, TC-W411, TC-WE625, TC-WE825S, TC-WR520, TC-WR570, TC-WR62, TC-WR620, TC-WR720, TC-WR720A, TC-WR820A, TC-WE725. However, it might work also with other devices – just check your service manual.
This gear can also replace X-3363-501-2, that is exactly the same.