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scdg124
Joined: 01 Jan 2007
Posts: 69
Location: Louisville, KY
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| Posted: Wed Dec 26, 2007 3:42 am Post subject: NEC problem... |
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I'm ready to start my vacation and spend some quality time with the PJ (NEC 6PG xtra); but I have a single horizontal line across the picture. I restart the XBOX360; it's the same. I turn off the tubes one by one to find it is isolated to the red tube. Is this a problem with the tube or the board? I've tried searching the forums for related stuff but came up empty. I'll try to get a picture up soon to better illustrate.
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Tinman
Joined: 09 Mar 2006
Posts: 1326
Location: Carson City Nevada
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| Posted: Wed Dec 26, 2007 4:12 am Post subject: |
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A faintly brighter line than the rest of the image? Usually red?
Oh man, I completely forgot what caused that..... but it WAS because of too much geometric correction. Usually caused by improper
setup. I plum forgot WHICH parameter it was, but someone else will undoubtedly remember.
Keystone or linearity balance, something like that.
Nothing serious.
Marc
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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: Wed Dec 26, 2007 5:46 am Post subject: |
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Do you see the image in the red tube, or just a line?
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deronmoped
Joined: 03 Nov 2006
Posts: 1154
Location: San Diego
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| Posted: Wed Dec 26, 2007 5:46 am Post subject: |
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scdg124
Post what all your alignment and convergence settings are at. If Marc is right, one of us NEC guys will be able to tell you what setting is being overused.
Deron.
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Wed Dec 26, 2007 7:28 am Post subject: |
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Vertical Linearity Balance from memory. You shouldn't really need any.
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dropzone7
Joined: 12 Jun 2007
Posts: 1069
Location: Charlotte, NC
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| Posted: Wed Dec 26, 2007 3:54 pm Post subject: |
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| Mark_A_W wrote: | | Vertical Linearity Balance from memory. You shouldn't really need any. |
I ran into the same problem with my old PG and Mark diagnosed that as well. Backed off on those controls a bit and the line went away. On my XG which has a much better physical setup, I am using no vertical linearity balance at all.
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scdg124
Joined: 01 Jan 2007
Posts: 69
Location: Louisville, KY
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| Posted: Thu Dec 27, 2007 3:23 am Post subject: |
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Thanks, I'm going down tonight to fix this. What's odd is that it showed up after a couple of weeks of non-use, and no change in settings.
Curt - i see the whole picture, but with a slightly brighter line bisecting it horizontally, only on the red tube.
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scdg124
Joined: 01 Jan 2007
Posts: 69
Location: Louisville, KY
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| Posted: Fri Dec 28, 2007 5:03 pm Post subject: |
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I went to my back up memory setting and sure enough the line went away. Now since I have to do another alignment, I'm going to try and set it up for 1920 x 1080, but I think I had problems last time I tried. I'll be sure to post any problems I may have 
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