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Bad Contrast Modulation Board (Marquee) - Help!
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HK-Steve



Joined: 15 Jul 2006
Posts: 849
Location: Switzerland

TV/Projector: Marquee 9500, Epson 8100
Posted: Tue Nov 24, 2009 12:33 pm    Post subject:
Athanasios said all that I have to say Thumbs Up


Cheers
Steve
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Nashou66



Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY

Posted: Tue Nov 24, 2009 1:26 pm    Post subject:
I just wish they still made the OPA chip in a DIP package for the quad version. Sad

Athanasios
_________________
Don't blame your underwear for your crooked ass~ unknown Greek philosopher


"Republicans believe every day is the Fourth of July, but the Democrats believe every day is April 15." --- President Reagan

One Smart Dog!!!

Marquee High Performance Bellows now shipping!!
Marquee Modifications and Performance Enhancement
Marquee C-element and Bellow removal
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Sparky015



Joined: 12 May 2009
Posts: 1185
Location: Cleveland / Akron, OH

Posted: Tue Nov 24, 2009 2:02 pm    Post subject:
For what it's worth, I pulled the board and saw no change to my picture, so I'm in agreement with Mike that for a single display, it's not needed.

Paul
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~Paul
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antorsae



Joined: 16 Jul 2006
Posts: 297
Posted: Tue Nov 24, 2009 4:15 pm    Post subject:
Athanasios: Is the TLE2074 a replacement for both (older) chips?
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draganm



Joined: 08 Mar 2006
Posts: 8990
Location: Colorado

Posted: Tue Nov 24, 2009 4:38 pm    Post subject:
Sparky015 wrote:
For what it's worth, I pulled the board and saw no change to my picture, so I'm in agreement with Mike that for a single display, it's not needed.

Paul
really? Were you even using the boards adjustments beofre pulling it? If you go into RGB temps, choose "zones", and bump up the 4 corners by 10% and maybe dial down the upper/lower area's by 5 to 10% you will have (more) uniform screen brightness. Typically a CRT is brighter in the center and dimmer towards the edges.
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Sparky015



Joined: 12 May 2009
Posts: 1185
Location: Cleveland / Akron, OH

Posted: Tue Nov 24, 2009 4:53 pm    Post subject:
Thanks Dragon, I will try that. You are correct, I never messed with zone contrast. Probably why I didn't see a difference after pulling it! Razz
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draganm



Joined: 08 Mar 2006
Posts: 8990
Location: Colorado

Posted: Tue Nov 24, 2009 8:01 pm    Post subject:
Sparky015 wrote:
Thanks Dragon, I will try that. You are correct, I never messed with zone contrast. Probably why I didn't see a difference after pulling it! Razz
you might want to change those cheesy little caps first Wink
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Nashou66



Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY

Posted: Tue Nov 24, 2009 8:15 pm    Post subject:
antorsae wrote:
Athanasios: Is the TLE2074 a replacement for both (older) chips?


Yep, its a much lower noise Chip.

Athanasios
_________________
Don't blame your underwear for your crooked ass~ unknown Greek philosopher


"Republicans believe every day is the Fourth of July, but the Democrats believe every day is April 15." --- President Reagan

One Smart Dog!!!

Marquee High Performance Bellows now shipping!!
Marquee Modifications and Performance Enhancement
Marquee C-element and Bellow removal
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View user's photo album (1 photos)
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