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sdubreuil
Joined: 18 Jan 2007
Posts: 43
Location: Montreal, Quebec Canada
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| Posted: Tue Mar 31, 2009 1:16 am Post subject: Center Cross hair moving (green) |
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Hi all
I need help here.
I was doing the ajustment on my Sony VPH-1251. While I was ajusting the center cross with the center of my screen, I have noticed that the green color was slowing moving around the center of my screen.
So the green is not stable. What is the problem with it? 
Thanks
Stephane
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Electrogeek
Joined: 03 Aug 2007
Posts: 104
Location: Hamilton New Zealand
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| Posted: Tue Mar 31, 2009 10:31 am Post subject: |
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hi
here is my one suggestion (and the only reason I know this is I made this mistake the first time I played with a crt projector)
are you using a magnetic/metal screw driver to adjust the pots? - if so find a plastic one
Cheers
Andrew
_________________
I have found a use for compact fluorescents hehe
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sdubreuil
Joined: 18 Jan 2007
Posts: 43
Location: Montreal, Quebec Canada
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| Posted: Wed Apr 01, 2009 12:02 am Post subject: |
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No, it is always moving. If I put a the cross hair and compare the center with the center of the screen, it is slowly moving around aound the center.
Any idea why?
Stephane
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Mon Apr 13, 2009 2:18 am Post subject: |
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Failing capacitors on one of the boards id say. Unless youve got a failing deflector yoke.
Does it do this right from first turn on or only after ifs warmed up?
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scir16v
Joined: 02 Jan 2009
Posts: 113
Location: St. Louis
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| Posted: Mon Apr 13, 2009 4:28 am Post subject: |
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Is there a phospher saver(orbit) feature that is turned on?
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jask
Joined: 17 Mar 2006
Posts: 10187
Location: kamloops BC
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| Posted: Mon Apr 13, 2009 4:48 am Post subject: |
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If it is moving slowly in one direction for the first 15 or 20 min. after startup then stays in one place it is your tubes warming up and drifting- you need to redo your setup...... If the image is oscillating then you have electronic problems.
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Mon Apr 13, 2009 5:49 am Post subject: |
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My 1252 did that just before it gave out.
_________________
Tech support for nothing
CRT.
HD done right!
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Mr. Green
Joined: 23 Feb 2007
Posts: 1394
Location: Calgary
TV/Projector: Marquee 9501LC / NEC 9PG+
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| Posted: Mon Apr 13, 2009 5:50 am Post subject: |
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I thought you still had the 1252? Did you fix it? If yes, what was broken?
_________________
You can be young only once but, you can be immature forever.
Current Projector Marquee9501LC with PS3 (BLu-Ray) at 1080P LOVE IT! Screen is an Elunevision 120" 4:3 (2.4 gain - no hotspots). (also own a NEC 9PG+)
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Mon Apr 13, 2009 5:51 am Post subject: |
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| Mr. Green wrote: | | I thought you still had the 1252? Did you fix it? If yes, what was broken? |
I still have it ( like I get rid of anything ) I just never got to fixing it. I started a car restoration and that was that. 
_________________
Tech support for nothing
CRT.
HD done right!
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