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incova
Joined: 27 Nov 2006
Posts: 789
Location: london
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| Posted: Fri Mar 04, 2011 7:50 pm Post subject: bright white line in middle of picture iespecially in dark |
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HI all I have a bright white vertical line in the middle of my piictre when I put on my Ampro 4600, it can clearly be seen in dark scenes and goes from the top to the bottom of the crt face and of course the projected image, any ideas?
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incova
Joined: 27 Nov 2006
Posts: 789
Location: london
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| Posted: Fri Mar 04, 2011 7:59 pm Post subject: checked vs my crt monitor |
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I checked and the same line does not appear on my crt monitor even in dark scenes. so I assume irts the projector with the problem.
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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: Fri Mar 04, 2011 8:22 pm Post subject: |
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I can't say I've seen this before, but I would think it's an issue with the H deflection. Either the H processor or the H output board would be suspect.
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incova
Joined: 27 Nov 2006
Posts: 789
Location: london
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| Posted: Fri Mar 04, 2011 8:55 pm Post subject: thanks Curt |
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Thanks sir.
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Fri Mar 04, 2011 9:30 pm Post subject: |
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Post a picture of it.
In the mean time, try adjusting the blanking to see if it moves. 
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Chip
A Barco is only a AmPro with training wheels
Card carrying member of the AVS chain gang.
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incova
Joined: 27 Nov 2006
Posts: 789
Location: london
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| Posted: Sun Mar 06, 2011 10:17 pm Post subject: Thanks |
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Adjusting the blanking worked sir! simple fix thank you so much, once I increased the left side blanking the line disappeared, now if I could just figure out why the picture moves/vibrates up and down that would be that!
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