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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Mon Feb 02, 2009 1:41 am Post subject: Thin horizontal lines on a MArquee 9500Ultra |
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I know someone here or at avs posted a pix a while back of very fine, thin horizontal lines going through the picture on a Marquee 9500LC. THe problem was solved eventually, but I can't remember what the cure was.
Customer bought the set from me 2 years ago, the problem comes and goes. I'm thinking bad IC connections on the CLM?
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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Ohmess
Joined: 11 Sep 2008
Posts: 242
Location: Vienna, VA
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| Posted: Tue Feb 03, 2009 4:11 pm Post subject: |
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Ok, I'll bite. What is the DPB?
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Tue Feb 03, 2009 4:18 pm Post subject: |
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The DPB is the Deflection Processor Board, its one of the boards on the Control Module (CLM). it manages the frequencies and scan rates among a few other things. if the signals are not clean they can cause all weird things to happen in the image. So cleaning the connecting pins from the DPB to the CLM is one thing and also U7 chips Pins need to be cleaned.
Athanasios
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HK-Steve
Joined: 15 Jul 2006
Posts: 849
Location: Switzerland
TV/Projector: Marquee 9500, Epson 8100
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| Posted: Sun Feb 08, 2009 8:05 am Post subject: |
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Like this Curt??
I didn't find a fix, I had to replace the Main CLM board, DPB and SWB were OK
Cheers
Steve
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