The Sony CDP-CX355 is a 300-disc CD changer renowned for its extensive storage and reliable performance.

Over time, mechanical components such as bearings may wear out, leading to operational issues like unusual noises, disc loading problems, or carousel malfunctions.

Replacing these bearings can restore the unit’s functionality.

Identifying Bearing Issues:

Signs that indicate bearing problems include:

• Unusual Noises: Grinding or squeaking sounds during operation.
• Carousel Malfunctions: Difficulty in rotating or selecting discs.
• Disc Loading Errors: Frequent misloading or skipping during playback.

Tools and Materials Needed:

• Replacement bearings compatible with the CDP-CX355.
• Phillips and flathead screwdrivers.
• Tweezers or needle-nose pliers.
• High-quality lubricant suitable for electronic components.
• Isopropyl alcohol and lint-free cloths for cleaning.

Step-by-Step Replacement Guide:

1. Preparation:
   • Disconnect the CDP-CX355 from the power source.
   • Remove all CDs from the unit.
   • Place the player on a clean, flat surface in a well-lit area.
2. Disassembly:
   • Remove the screws securing the top cover and gently lift it off.
   • Carefully note the positions of components and screws for reassembly.
3. Accessing the Bearings:
   • Locate the carousel mechanism and identify the bearings.
   • Use tweezers or pliers to carefully extract the old bearings.
4. Installing New Bearings:
   • Clean the bearing housings with isopropyl alcohol to remove debris.
   • Apply a small amount of lubricant to the new bearings.
   • Position and secure the new bearings into the housings.
5. Reassembly:
   • Replace the top cover and secure it with screws.
   • Ensure all components are properly aligned.
6. Testing:
   • Reconnect the player to the power source.
   • Operate the carousel to verify smooth rotation and functionality.

Additional Considerations:

• Professional Assistance: If unsure about performing the replacement, consult a professional technician.
• Regular Maintenance: Periodically inspect and maintain the player to prevent future issues.

For a visual demonstration of similar maintenance procedures, you may find the following video helpful: