Sony LMP-C281 projector lamp, UHP 280W, reflector 50X50D, socket E19.7, compatible with VPL-F535H, VPL-CH373, VPL-CH378, VPL-CH370 and 6 Sony projectors. Zorsika equivalent model LMP-C281.

Sony LMP-C281 Projector Lamp for VPL-F535H VPL-CH373 VPL-CH378 VPL-CH370 VPL-CH375 VPL-F530H OEM

Sony LMP-C281 Projector Lamp for VPL-F535H VPL-CH373 VPL-CH378 VPL-CH370 VPL-CH375 VPL-F530H OEM

When replacing a Sony projector lamp, the most time-consuming part is often not the installation itself, but confirming whether the model matches. The LMP-C281 covers 6 Sony projector models. This article lays out the specifications, compatible models, and key verification points all at once.

Sony LMP-C281 Projector Lamp

Lamp Module Specifications

Original Lamp Module ModelLMP-C281
Zorsika Equivalent ModelLMP-C281
Compatible BrandSony (Sony)
Lamp Module SpecificationUHP280W 0.8 E19.7
Lamp TypeUHP
Rated Power280W
Arc Gap0.8mm
Socket SpecificationE19.7
Reflector Size50X50D
Projection TechnologyLCD
Number of Compatible Models6 models

The above parameters come from the Zorsika product database. For the complete technical specification sheet, please contact sales.

Compatible Projector Models: 6 Sony Projectors

The following are the verified compatible models for the LMP-C281 among Sony projectors, with model numbers separated by commas:

VPL-F535H, VPL-CH373, VPL-CH378, VPL-CH370, VPL-CH375, VPL-F530H

Note: Projectors of the same generation often share the same lamp module. For models not on this list, please contact Zorsika technical support for confirmation.

Three Points to Verify Before Purchase

  1. Verify the nameplate model: Open the projector's lamp door, and the model on the lamp module label should match LMP-C281 exactly. Some Sony models have suffix variations such as -V or +, but the lamp module is usually interchangeable. If unsure, take a photo of the nameplate and send it to Zorsika technical support for confirmation.
  2. Confirm the lamp form: The same model comes in four forms: original packaged, original bare, compatible, and used. The four forms differ considerably. Original bare means an original arc tube paired with an aftermarket bracket, which typically offers the best overall value. When ordering, be sure to specify clearly which form you need to avoid disputes after delivery.
  3. Verify physical specifications: The reflector size 50X50D, socket E19.7, and arc gap must all match the original lamp. If any one of these does not match, the lamp may not fit or may fail to light up.

What the Zorsika PRO Series Offers You

The LMP-C281 is a relatively high-volume model. The Zorsika PRO Series applies consistency control to the arc tube according to original factory parameters, plus an additional factory light-up test, providing greater assurance of brightness and stability.

  • Specification matching: Power, arc gap, and reflector size are matched item by item to original factory parameters
  • Individual testing: Each unit undergoes a light-up test before leaving the factory, ensuring brightness and stability
  • Warranty commitment: 180-day warranty on the lamp; normal use with non-human damage is covered by after-sales service
  • Stable supply: Supports bulk purchasing and project supply

In a nutshell: if you want original factory quality with greater overall peace of mind, the Zorsika PRO Series projector lamp is made for exactly this scenario.

Note: Performance such as brightness and lifespan is significantly affected by the machine's condition, usage environment, and cooling conditions. Zorsika does not make uniform numerical promises. We recommend obtaining 1-2 sample units for light-up testing before bulk purchasing.

Routine Maintenance to Make Your Lamp Last Longer

  • Clean dust promptly: Dust accumulation on the air intake and air filter directly raises the lamp's operating temperature. In dusty environments, clean every 1-2 months; in typical office environments, every 3-6 months.
  • Use eco mode: Use eco mode whenever brightness is sufficient to reduce the lamp's thermal load.
  • Avoid frequent on/off cycling: Thermal cycling is one of the main causes of lamp wear. If not using the projector for a short time, use the blank/mute function instead of repeatedly powering off.
  • Shut down properly: After powering off, wait for the fan to stop before cutting power. Cutting power while hot causes the lamp to cool abruptly, which is a common cause of lamp explosion.
  • Reset after replacement: After installing a new lamp, be sure to reset the lamp hours in the menu; otherwise, the projector will continue to alert based on the old timer.

Frequently Asked Questions

Q: My projector is not on the list of 6 models above. Can I use the LMP-C281?

A: The list covers verified models but does not represent all compatible models. Sony products of the same generation often share the same lamp module. Take a photo of the projector nameplate and the original lamp label and send them to Zorsika technical support, and we can help confirm compatibility.

Q: How do I choose between original packaged, original bare, and compatible?

A: If you want stable brightness and long-term reliability, the Zorsika PRO Series lamp is the top choice — matched item by item to original factory parameters, individually light-up tested before shipment, performance on par with the original, greater overall peace of mind, and backed by a 180-day warranty. For routine business, education, and conference room use, the PRO Series is also the more worry-free option overall. Other replacement lamps cost less, but arc tube sourcing and quality control vary widely, with higher risks of brightness degradation and shortened lifespan. They are only recommended for temporary backup machines.

Q: Why choose Zorsika PRO instead of the original?

A: The core philosophy of the Zorsika PRO Series lamp is "original factory parameters, independent quality control": power, arc gap, and reflector size are matched item by item to the original, but with an additional individual light-up test before shipment and a 180-day warranty. Compared to the original, it offers greater overall peace of mind; compared to other replacement options, it offers more consistent quality control.

Q: After replacing the lamp, the projector says the lamp is not recognized. What should I do?

A: First, confirm whether you have reset the lamp hours. The vast majority of such alerts are caused by the timer not being reset. If the error persists after resetting, contact Zorsika technical support, and we will provide the reset method and troubleshooting guidance for your specific model.

Q: Is there an installation tutorial for the LMP-C281?

A: Yes. The lamp door location and installation steps for these Sony models are essentially the same. Contact Zorsika sales to obtain illustrated or video tutorials for your specific model.

Q: How long is the lamp warranty?

A: The Zorsika PRO Series projector lamp comes with a 180-day warranty. Normal use with non-human damage (such as lamp explosion or abnormal early brightness degradation) is covered by after-sales service. Brightness degradation within the standard range is normal wear and is not covered by the warranty.

Related Resources

Purchase Inquiry

For solution consultation, bulk orders, or the complete compatible model list for the Sony LMP-C281, please contact us via:

  • Website: www.zorsika.com
  • Phone: 0086-20-38551187
  • Email: sales@zorsika.com
  • Business Hours: Monday to Friday, 9:00-18:00

The lamp module models, specification parameters, and compatible model data in this article all come from the Zorsika product database. Data is continuously updated; please confirm with an actual inquiry.