Install a replacement BenQ MX819ST projector lamp

Written by
  • Shelagh M.
  • 6 years ago

BenQ MX819ST_projectorReplace the BenQ MX819ST projector lamp

This step-by-step guide shows how to install a replacement BenQ MX819ST projector lamp. Start off on the right foot with an authentic projector lamp. Counterfeit prices are tempting but they end up more problems including:

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Check lamp hours

When the projector is in operation, lamp life is automatically calculated by the built-in timer. To obtain the lamp hour information:

  • Press MENU/EXIT and then press the side arrow keys to move to the SYSTEM SETUP: Advanced Menu.
  • Press to highlight Lamp Settings and press MODE/ENTER. The Lamp Settings page is displayed.
  • You will see the Equivalent Lamp Hour information appearing on the menu.
  • To leave the menu, press MENU/EXIT.
  • You can also get the lamp hour information on the INFORMATION menu.
  • Press MODE/ENTER to dismiss the message

End of life warning

BENQ_Projector_MX819ST_Lamp_5J.J9A05.001_replacementA flashing red light BenQ MX819ST projector lamp is reaching end of life. You’ll see four warning screens on the projector screen. You may also notice the image deteriorating or the color looking off. Change the projector lamp immediately when the final warning screen “Out of Lamp Usage Time” appears or the projector will simply shut down.

Replacing the BenQ MX819ST projector lamp

Your BenQ MX819ST projector uses the BenQ 5J.J9A05.001 lamp.
Before changing the lamp:

  • Reduce the risk of electrical shock by disconnecting the power cord on the BenQ MX819ST projector.
  • Reduce the risk of severe burns by allowing the projector to cool for at least 45 minutes.

To replace the projector lamp
Loosen the screw that secures the BenQ MX819ST lamp cover on the side of the projector until the lamp cover loosens. Remove the BenQ MX819ST lamp cover from the projector. Disconnect the BenQ MX819ST lamp connector. Loosen the screw that secures the lamp in place.
Slowly and gently pull the BenQ 5J.J9A05.001 projector lamp out of the projector. Pulling too quickly can cause the bulb to shatter. Learn what to do should the bulb shatter.
NOTE: The BenQ 5J.J9A05.001 projector lamp contains mercury and should not be thrown into regular garbage. It needs to be properly recycled. Insert the new lamp.
Make sure the handle is fully locked. Re-install the lamp connectors. Tighten the projector lamp screw. If the screw is too loose or too tight, the projector may not turn on. Replace the lamp cover. You are now reacy to reset the lamp timer.

Reset the projector lamp counter

When the BenQ 5J.J9A05.001 projector lamp in the BenQ MX819ST projector has been changed the projector lamp timer must be reset to zero. To reset the lamp timer:

  • Turn on the BenQ MX819ST projector.
  • After the startup logo, open the On-Screen Display (OSD) menu.
  • Go to the SYSTEM SETUP.
  • Scroll over to Advanced > Lamp Settings menu.
  • Press MODE/ENTER to display Lamp Settings page is displayed.
  • Highlight Reset lamp timer. A warning message is displayed asking if you want to reset the lamp timer.
  • Highlight Reset and press MODE/ENTER. The lamp time will be reset to “0”.

How to extend the life of the BenQ MX819ST projector lamp:

  • Keep your air filters clean to avoid overheating the projector.
  • Use the Lamp Power option on the BenQ MX819ST projector lamp and set to Economic Mode to reduce the amount of power used but extend lamp life.
  • Learn more with Top tips for extending DLP projector lamp life.ows you how step-by-step.

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