How do I test a DLP Bulb to see if it is bad?

Discussion in 'Televisions & Displays' started by Mopar McNeer, Jul 24, 2011.

  1. Mopar McNeer Enthusiast

    Mopar McNeer
    Jul 23, 2011
    Likes Received:
    I am having an issue with my Mitsubishi 60735 (see thread:

    I pulled the bulb assembly out today to run a few tests on it. The bulb assembly is a simple two wire set up. So I got out my trusty Fluke and checked first for continuity. Nothing. Changed it to resistance and got nothing.

    I'm not sure that I used the correct tests on the bulb, so I'm hoping you can help with:

    A) Did I test the bulb correctly or not?

    If Yes - am I correct that the bulb is junk.
    If No - what is the proper way to test a DLP bulb?

    Thanks in advance.
  2. Hi Ho Audioholic Samurai

    Hi Ho
    Sep 30, 2005
    Likes Received:
    Those lamps produce an arc over two electrodes. You cannot test it with a multimeter. From what you describe in your other thread, it does not sound like a lamp problem. It sounds like a power supply problem.

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