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mutantaction
Joined: 06 Sep 2012
Posts: 24
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| Posted: Tue Oct 02, 2012 7:58 pm Post subject: Marquee: No control over red drive/retrace lines/dot? |
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Hi all!
Well, my work on the Marquee continues  Thanks for all the help so far!
I just found out that the raster in the red tube seem to be lit up all the time. Adjusting
red rive does nothing, G2 works fine it seems. When lowering contrast I get retrace lines
(only on red)
When the machine is turned off I get a dot moving around on the red tube, but faint, and
NOT burning any holes 
It seems I have a problem with the red tube electronics or something...
Any advice?
Thanks!
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Tue Oct 02, 2012 11:59 pm Post subject: |
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Hello
Try swapping the green neckboard onto red, tell us how that looks. The spotkill on the red board may have issues. Drive is video gain from the VIM, so your gain adjust on the VIM red channel may have a problem.
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mutantaction
Joined: 06 Sep 2012
Posts: 24
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| Posted: Fri Oct 05, 2012 3:04 pm Post subject: |
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Hi!
Swapped the red/blue neckboard, no change. problem stays at red:)
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Fri Oct 05, 2012 9:58 pm Post subject: |
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Hello
It is in the tube then, no big deal if the phosphor goes unharmed.
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mutantaction
Joined: 06 Sep 2012
Posts: 24
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| Posted: Sat Oct 06, 2012 9:56 am Post subject: |
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It does...thanks!!
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