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v1rtu0s1ty
Joined: 29 Oct 2007
Posts: 110
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| Posted: Thu Dec 29, 2011 7:47 am Post subject: screen rolls down |
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I have a Barco 808 projector mounted on my basement's ceiling. My subwoofer is two 18 inch drivers. On wicked LFEs, it sucks the air out of my chest and shakes all the utensils, plates, etc on first floor. This is no joke.
When it happens, the movie rolls down similar to old channels that aren't tuned to the station. It goes away when the LFE is gone. Which card is loose? Or is it the tube?
Thanks!
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Thu Dec 29, 2011 8:57 am Post subject: |
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Could be loose vertical deflection board or maybe subs amp cause drop to your mains voltage. 
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v1rtu0s1ty
Joined: 29 Oct 2007
Posts: 110
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| Posted: Thu Dec 29, 2011 9:46 am Post subject: |
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I'm not that much familiar with boards. How does it look like? I mean, where is it near? I know it's a pcb
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barclay66
Joined: 27 Jun 2011
Posts: 1304
Location: Germany
TV/Projector: Marquee 9500 Ultra
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v1rtu0s1ty
Joined: 29 Oct 2007
Posts: 110
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| Posted: Thu Dec 29, 2011 3:24 pm Post subject: |
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Thanks again for the link barclay! I haven't started with the project that you gave me. 
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