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H30 Buzzing

Discussion in 'Projectors, Screens & Video Processors' started by MarkyB, Feb 16, 2004.

  1. MarkyB

    MarkyB
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    I recently bought an Optoma H30 and I'm very pleased with the quality of the image. However I've got a mysterious problem. The first unit that I picked up started buzzing very loudly (it's in a room upstairs and you could hear it from downstairs!). I contacted Sevenoaks who supplied the unit and they said that they would get Optoma to send a replacement unit and in the meantime I could borrow their demo unit. When I got this unit home it had exactly the same problem. Sometimes the buzzing will stop or at least get a bit quiter after the projector has been on an hour or so, but it usually starts again at some stage.

    The wierd thing is that neither unit has this problem at the dealers (I have checked them myself there). I have plugged the unit in via a filtered socket, but this makes no difference. The problem does not seem to be related to any other appliance that is plugged in in the house.

    Unless I can sort this out the unit will have to go back. But if there is a problem with the power supply or something else in my house I imagine I may have the same problem with a different make/model.

    Has anyone come across this problem before or got any suggestions?
     
  2. LDR

    LDR
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    The H30 I demo'd recently in my Sevenoaks made a slight noise at startup, but was very quiet within 2 mins of that.

    What are your opinions of the PJ now that you've got it home ?....apart from the noise obviously..:laugh:
     
  3. MarkyB

    MarkyB
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    Other than the noise problem the pj was, in my opinion, very good for the price. My only complaint would be that when viewing pictures from my freview box (via Keene RGB2C box) the picture is a bit dull and lifeless. Hopefully once I get chance to tweak the settings things will improve.

    I currently have an Infocus LS110 on loan while I wait for a replacement from Optoma. As well as not buzzing the picture on this is, not surprisingly, significantly better, especially on Freeview. However I have a problem with rainbows on this model that I don't on the Optoma. Even if I didn't I don't think that for me the difference in pq would jusitfy spending the extra.
     

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