Question about BenQ PB6100 Multimedia Projector

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Any place in canada for a new main board for the Benq pb6xxx series?

I'm in Canada and have the exact problem, well first it was a blown capacitor, which I fixed, but now it's just a white screen. Any sources in canada for parts?

Posted by Anonymous on

  • Anonymous Aug 13, 2008

    Sorry, I thought this was going to quote another question asked. Here's the rundown..... My projector (Benq PB6100) has always been in standby. One day I walk out and hear the fan going on it, which is weird because it is in standby. Just the middle fan was working and the back two weren't. So I opened up the unit and found a bulging leaky capacitor on the fan board and replaced that.

    Now everything works, but all I get is a white screen. I did take pretty much everything apart, including the optical unit. I'm wondering if I didn't put it together right, or that whatever blew the capacitor, also blew the main board. Any thoughts? I don't want to spend $600 on service for a unit I can buy for $650 on ebay.

    Thanks in advance,
    SM (Canada)

  • Anonymous Aug 16, 2008

    Hi there, thanks for replying. When I disassembled the first time, I didn't take the DLP chip out of it's socket, so it shouldn't be upside down. The second time I took the projector apart, I did take it out of it's socket, but tried to put it back in the same way...and got he same result so I must have put it back in the same way. I've checked the connectors about 10 times now, so that shouldn't be the problem either. No weird smell either.

    The input board is the same as the main board and it seems fine as well. How much do you think it would cost to have someone just look at it, then replace the main board?



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It's a reasonable possibility the main board is blown. Lets make sure it isn't. When you disassembled it did you make note of the orientation of the DLP chip? This is an important part as it needs to be clean and in the right orientation. Also are all the connectors seated correctly, does the main board smell like eggs or sulfer? What is the condition of the input board? If you can have someone look at it, it could be cheaper than you think.

Posted on Aug 16, 2008

  • mailbag267 Aug 31, 2010

    Any solution, Iamthestudm?



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