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tomgilmartin
Joined: 15 Jul 2006
Posts: 41
Location: Buffalo NY area
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| Posted: Sun Dec 16, 2007 1:09 pm Post subject: BarcoData 808 Port 3 board |
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I have been posting in the HDFury area regarding a problem with my BD 808. I finally realized the problem is the HDFury outputs Pos sync from my sources. Reading the manual, I see that Port 3 on the BD is capable of Pos or Neg sync with adjustment of a switch on the board. The manual shows a board number 98 26570, however when I pull the board from the unit it's number is R762426. What's going on?
Thanks
Tom
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Tom.W
Joined: 09 Mar 2006
Posts: 6635
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| Posted: Sun Dec 16, 2007 3:26 pm Post subject: |
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My BD808 accepts both positive and negative sync on port 3. Not aware of the switch you refer to. Im running the HDMI output from my Tosh HD2 to the fury and using the supplied port 3 adapter cable along with a 25 ft HDMI cable.
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Sun Dec 16, 2007 3:36 pm Post subject: |
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R762426 is contrast modulation board, that use same multipurpose slot that port3.
Port3 board is R7621055.
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tomgilmartin
Joined: 15 Jul 2006
Posts: 41
Location: Buffalo NY area
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| Posted: Sun Dec 16, 2007 5:22 pm Post subject: |
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This switch, see attachment. I found some other posts regarding the contrast modulation board. Can I pull it without adverse affect? What is its purpose anyway?
| Tom.W wrote: | | My BD808 accepts both positive and negative sync on port 3. Not aware of the switch you refer to. Im running the HDMI output from my Tosh HD2 to the fury and using the supplied port 3 adapter cable along with a 25 ft HDMI cable. |
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Mon Dec 17, 2007 8:44 am Post subject: |
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| tomgilmartin wrote: | | Can I pull it without adverse affect? What is its purpose anyway? |
Yes and you should get about +25% brighter picture without it.
It lower amplitude in the middle of the picture to prevent corner fall off effect and it also modulates red and blue to remove color sift effect. It's not needed with one projector set up and 1-1.4 gain FP screen. (or torus)
If you remove it, you need to put switcher cable straight to driver board.
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