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General Projection Systems Projectors, screens, scalers, switchers, scan converters and other display equipment.

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Old Monday, March 26th, 2007, 06:58 AM
wally4232's Avatar
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Pink tint on screen!

We are a portable church, we tear down each week. A couple of months ago we had a pink tint show up from our projector. We flipped the cable end for end from the computer and that took care of it. Until yesterday! The pink tint was back again and this time flipping the cable did not make a difference. Is my cable bad or what is happening?! We tried to adjust the color settings on the projector and that did not help it. What do I need to do?

Eric
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Old Monday, March 26th, 2007, 07:31 AM
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We occasionally have the same thing, only with a yellow tint. Wiggling the VGA cable going up to the projector always fixes it.

You could either replace the cable or, if it's long enough to worry about and if you have someone handy with a soldering iron, you could put new ends on the cable.

Chanced are it's the ends, not a break in the middle.
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Old Monday, March 26th, 2007, 07:59 AM
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If you have two separate connections to the projector, video and computer, when it goes to pink (not during worship of course) switch to the other input & play something and see if it is still pink. We had that lately on the computer input and I switched to the video input and it looked fine. So I knew it wasn't the projector. Turns out the cables weren't connected tightly enough so after tightening everything worked well.
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Old Monday, March 26th, 2007, 08:39 AM
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Are all your pins intact on both ends of your cable? That can also cause the discoloration.
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Old Monday, March 26th, 2007, 10:51 AM
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I might be that when we flipped the cable something just lined up and thats what worked?! I think that a new cable should be on order today, thanks for the quick replies.

Eric
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Old Monday, March 26th, 2007, 01:39 PM
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No problem let us know if the new cable works (hopefully it does!)
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Old Monday, March 26th, 2007, 02:48 PM
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As previously suggested you can repair that VGA cable by soldering new ends on to it,
Maybe do that and keep one as a spare?
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Old Monday, March 26th, 2007, 03:01 PM
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Quote:
Originally Posted by Lucas View Post
As previously suggested you can repair that VGA cable by soldering new ends on to it,
Maybe do that and keep one as a spare?
Or use the new one and keep the repaired one as a spare.
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Old Monday, March 26th, 2007, 03:11 PM
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Didn't quite say it right..... what osborn4 said is what I meant
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Old Monday, March 26th, 2007, 03:42 PM
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As mentioned, it's most likely a cable problem. VGA pins get bent all too easily when plugging and unplugging, and a portable church setup means that happens on a regular basis The way VGA cables are wired, Red, Blue and Green are separate wires, so damaging one or more can easily shift the colors.

However, a color shift can also indicate the bulb is wearing out. Our projector started having a color shift a month or two before the projector indicated it was time for a bulb replacement.
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Old Wednesday, March 28th, 2007, 05:54 AM
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Thanks everyone for the input, I ordered a new cable last night and had it over-nighted just to be sure that is will be here for Sunday. Gene, I am hoping that it is not the bulb. We do have a spare for that, which just came last week, but man those things are expensive!

Thanks again for all the help!!! You guys and gals are the best.

Eric
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