Question about Sony VPL CS5 Multimedia Projector

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Sony VPL-CS5 I have a stange pathern off pixels red pixels on my screen. It looks like a fingerprint but the lines are sqare not round I've cleand all the lences and stuff but it looks like the problem in in the electronics who can help

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  • ajay_a_patel Jun 19, 2008

    I have the same problem, a purple web of pixels on the upper left of the image, looks like a digital finger print. Looks like dead pixels, but why all in one area/pattern. Ive opened up and reconnected the RGB ribbon busses, removing each in turn the pattern is still there in all combinations.



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I had the same problem,I found that actually what you can see is dust particles that have made their way inside the unit and have become present on the lcd image sensor lenses, You will need to open up your projector and clean out this dust to improve the picture quality, Its quite tricky as you have to strip the unit quite a way to get to the image lenses make sure you are confident with static discharging and that you have the correct tools.

I find I have to carry out this task once every 6 months to keep the picture clear.

Hope this helps


Posted on Sep 08, 2008


Ive got the same problem if showing a white background. i can see parts that are a bit purple...
when i got a new lamp today the problem is not as intense anymore. when i looked at the lamp i was able to see some dirt that had been burned into the glas in front of the bulb. it had approximately the same color. since i just bought a bulb and installed it into the case of the first lamp, which doesnt have that color burned into the glas, the problem is way smaller than before.

im not sure if thats the reason - but might be a solution...

Posted on Jul 30, 2008


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I have a blue looking spot on the top right hand area of streen and cleaning the lensdoes not help. What could it be?

Without seeing it I cannot be sure but it sounds like a failed pixel. That is not repairable.

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you must change the lens. the cost is high. see the sony site for replace the parts.

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Sony vpl cs5

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to clean the lamp: no chemicals, nothing abrasive. you can touch the outer glass (not with your fingers), but do not touch anythjing inside the bell. best thing to use is a microfiber cloth. your lamp is nearing or has passed 2000 hours of use. the projector is telling you to replace it before it blows (and sometimes shatters). after you replace it, reset the lamp timer (through the menu).

Dec 17, 2009 | Sony VPL CS5 Multimedia Projector

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Sony vpl cs5 projector - after lampchange

Having same problem without lamp change. Did you ever find a solution?

Your response would be GREATLY appreciated. :)

Mar 28, 2009 | Sony VPL CS5 Multimedia Projector

1 Answer

Sony VPL-CS5 menu will not display

Give input signal to the projector and see that if the menu appears or not on the screen.
if menu comes on the screen then put the backgroung color to blue, instaed of black.

if nothing comes on the screen, then the LCD panels are faulty.


Mar 04, 2009 | Sony VPL CS5 Multimedia Projector

1 Answer

Lamp time resetting

Not sure if its in the handbook but you can download a copy from here

Feb 21, 2009 | Sony VPL CS5 Multimedia Projector

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Lamp change

You have to go to the settings on the projector and reset the lamp timer.. Go to your on screen menu and go to settings.. Good Luck

Mar 05, 2008 | Sony VPL CS5 Multimedia Projector

1 Answer

Vpl cs5 dusty lens from the inside

not too difficult to do.
requires cover off and minor strip down.
if unsure consult a tech.

Dec 06, 2007 | Sony VPL CS5 Multimedia Projector

2 Answers

Sony VPL CS5 Multimedia Projector Problem

probably the lamp could be failing
or check the fan'lamp cover switches are being 'made'

Oct 17, 2007 | Sony VPL CS5 Multimedia Projector

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