How to replace the Sanyo PLC-SP20N lamp projector

Written by
  • Shelagh M.
  • 12 years ago
Sanyo PLC-SP20N Projector, Sanyo POA-LMP18 (service parts no 610 279 5417)

Sanyo PLC-SP20N Projector


If your projector Sanyo PLC-SP20N lamp no longer turns on, it needs to be replaced.  If the picture is dim or looks unnatural the Sanyo POA-LMP18 (service parts no 610 279 5417) is reaching its end of life. If the Replace Lamp Indicator light on the front panel is blinking orange, you must replace the Sanyo POA-LMP18 (610 279 5417) immediately. Follow our simple step-by-step instructions to replace your lamp in the Sanyo PLC-SP20N projector easily.
The lifespan of your Sanyo POA-LMP18 (6102795417) lamp will vary depending on how much the projector is used and if the filters are cleaned regularly.

Before Installation

Buy your Sanyo POA-LMP18 (service parts no 610 279 5417) from an authorized manufacturer and avoid the lower-priced knock-off lamps. These counterfeit lamps are usually made with inferior parts that can damage your projector, they may end up costing you more if the damage the  sensitive mechanisms in your Sanyo PLC-SP20N projector. Buying from a legitimate source keeps your projector under warranty and gives you a solid guarantee.



Looking for a less expensive option? Want more information? Watch our step-by-step video on replacing only the Sanyo POA-LMP18 (service parts no 610 279 5417) bulb instead of the entire lamp housing.

Replacing the Sanyo POA-LMP18 Lamp Assembly 

Sanyo PLC-SP20N Lamp Cover

  • Allow the Sanyo PLC-SP20N projector to thoroughly cool before changing the lamp. Turn off the projector, unplug the AC cord and allow 45 to 60 minutes for the projector to cool. These projectors operate under high heat and there is a possibility of being burned, if the projector is not fully cooled before changing the Sanyo POA-LMP18 (service parts no 610 279 5417) lamp.
  • The lamp cover for the PLC-SP20N projector is located at the bottom of the projector. Gently turn over the projector onto its side and loosen the screw holding the cover in place. Place the cover to one side. Sanyo PLC-SP20N Lamp Cover, Sanyo POA-LMP18 (service parts no 610 279 5417)
  • Inside you’ll find the Sanyo POA-LMP18 (610 279 5417) lamp cage. Loosen both screws holding the lamp cage in place. Grab the lamp handle and gently lift the lamp out of its socket. Place to one side. Be sure to dispose of the lamp properly through a local recycling program.
  • Take the new Sanyo POA-LMP18 (service parts no 610 279 5417) lamp cage by the handle—avoid touching the actual bulb as this can break or damage the lamp. Without forcing the lamp, place it into the slot.
  • Once the lamp is in, tighten both screws on the Sanyo POA-LMP18 (610 279 5417) Lamp Assembly. Make sure the screws have been tightened properly or the Sanyo PLC-SP20N projector will not turn on.
  • Replace the Lamp Cover and tighten the screw. Re-connect the power cord and turn on the Sanyo PLC-SP20N projector If the Sanyo POA-LMP18 (service parts no 610 279 5417) lamp does not turn on after the warm-up period, try re-installing the lamp. Reset the Lamp Counter Screen by following the instructions below.
  • NOTE: Your old Sanyo POA-LMP18 (service parts no 610 279 5417) lamp should be properly recycled. These lamps contain mercury and can’t be placed into common garbage.


    In order for the projector to properly track the lamp life of your Sanyo POA-LMP18 (service parts no 610 279 5417) you’ll need to reset the Lamp Replacement Monitor Timer. Failure to do so can result in the Replace Lamp Indicator not tracking the lamp life properly.
    Sanyo PLC-SP20N Lamp Timing Monitor

    • Press SELECT (rear click) to have the SETTING DISPLAY screen appear.
    • Press the POINT DOWN button and a red arrow shows up on screen.
    • Using the POINT UP/DOWN button, select the LAMP PAGE and then press SELECT.
    • You’ll see the message “Lamp replace monitor reset?
    • Move the arrow to YES and press SELECT.
    • OK is shown for confirmation. Press YES and then the SELECT button.
    • Move the arrow QUIT and press SELECT to exit the MENU and return to the screen.
    • Your newly installed Sanyo POA-LMP18 (610 279 5417) should last between 1,000 to 2,000 hours depending on usage and maintenance.


    Make your newly installed Sanyo POA-LMP18 (service parts no 610 279 5417) last longer:

    • Wait at least five minutes before turning the Sanyo PLC-SP20N projector off.
    • Don’t operate the projector continuously without letting it stand for at least one hour turned off every 24 hours.
    • Cleaning the air filter regularly will also prolong the life of the Sanyo POA-LMP18 (service parts no 610 279 5417) and prevent the Sanyo PLC-SP20N from overheating.

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