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Key Technical Specifications
- Part number: 04504-003-11
- Brand: Sperry Marine.
- Product type: Radar processor unit.
- Series: VisionMaster.
- Storage: SATA SSD.
- Application: Marine radar and navigation processing.
- Compatibility: Verify exact VisionMaster cabinet, display, and interface revision.
- Condition: New Surplus.
- Replacement note: Use the full part number with all zeros and hyphens exactly as marked.
- Installation note: Confirm mounting, connectors, and software image before power-up.
Product Introduction
Sperry Marine 04504-003-11 is a VisionMaster radar processor unit used in marine navigation systems. The exact part number matters because this is the processing core that handles radar system logic, storage, and interface functions.
Buyers usually source this unit when the original processor fails or when they need a like-for-like replacement. Check the cabinet revision, connector set, and software image before installation, since processor swaps can fail on configuration even when the hardware looks identical.
- 04504-003-11
- 04504-003-11
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No radar boot or no display output | Processor failure, storage issue, or power problem | ✅ High | Check input power, status LEDs, and boot activity | If power is stable and boot does not start, suspect the processor unit |
| Radar starts but no target processing | OS/image issue, SSD fault, or software mismatch | ✅ High | Verify SSD health and check for system boot messages | Reimage or replace only after confirming the drive is healthy |
| Intermittent freezes or reboots | SSD degradation, thermal issue, or unstable supply | ✅ High | Monitor temperature and voltage during operation | Check cooling and power before condemning the unit |
| Displays work but radar functions are missing | Configuration mismatch or wrong processor variant | ✅ High | Compare installed software and hardware revision with the old unit | Match the original setup before replacement |
| Unit powers on but fails to complete startup | Corrupted image, bad SSD, or internal board fault | ✅ High | Inspect the boot sequence and storage status | If the boot fails consistently, replacement is likely |
| System faults appear after swap | Incompatible revision or missing configuration file | ✅ High | Compare part number, connectors, and software image | Restore the original configuration before further testing |
Contact technical support with photos of the label, connector side, and any diagnostic logs if the fault is still unclear.
Frequently Asked Questions
Q: Is 04504-003-11 a radar processor unit?
A: Yes. It is listed as a Sperry Marine VisionMaster radar processor unit with SATA SSD, which makes it the processing core for the radar system.
Q: Is this new, used, or refurbished stock?
A: This listing is presented as New Surplus. That usually means unused excess inventory, not factory-sealed retail stock.
Q: Can I swap it into my VisionMaster system directly?
A: Possibly, but only if the cabinet, connector layout, and software image match. Processor units are sensitive to revision and configuration differences.
Q: Why does the SSD matter?
A: The SATA SSD holds the system image and can affect boot time and startup reliability. If the old unit failed on boot, the drive condition is one of the first things to check.
Q: What is the main installation risk?
A: The main risk is a mismatch in hardware revision or software image. ❗Do not install from memory; verify the original label, connectors, and image before power-up.
Q: Does it need programming after installation?
A: Often yes, or at least a configuration restore. A processor replacement is not always plug-and-play, especially on older marine systems.
Q: Why is surplus cheaper than OEM new?
A: Because it comes from excess inventory rather than active factory production. That lowers cost, but you still need to verify condition, revision, and compatibility before buying.
