Brand: PIONEER
Category: Home Entertainment System
Document Type: Parts/Service
Language: EN
Parts/Service for X-RSM400DV
Uploaded: Nov. 21, 2025, 7:32 p.m.
Manual Publish Date: 2009-11-01
Warranty Information
None
- For servicing, ensure adherence to safety regulations and maintain a safe environment.
- Use only specified genuine parts for repairs.
- Do not perform modifications without proper instructions.
- Ensure proper soldering and that all screws and connectors are securely fastened and inserted.
- Verify wiring cables are correctly set and not pinched.
- Check power cords for damage and ensure no spark traces on the power plug.
- Maintain a safe servicing environment, being mindful of static electricity and surroundings.
- Perform adjustments according to manual procedures to maintain original performance.
- Use specified lubricants, glues, and replacement parts.
- Clean parts like optical pickups and tape deck heads as needed.
- Set shipping mode or install shipping screws before shipment to prevent transit damage.
Troubleshooting and error codes
| (SMPS) | YES | NO |
|---|---|---|
| POWER (SMPS) | Check the fuse F901 | Replace the fuse |
| Check the DC V of C905 if DC V is over 400V | Check BD901, LF901, 902 | |
| Check the DC V of C909, C903, C921 If DC V is in 14~19V and it is steady | Check IC901, 902 | |
| Check the DC V of C981, C945 If DC V is 6.1V | Check short of P9701, P9702 line | |
| Check the DC V of C950, C951 If DC V is in 34V | Check short of P9701 line | |
| OK |