Question about InFocus ScreenPlay 4805 Multimedia Projector

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I have a line down the right side of my screen, it still projects but the line and it is darker on that side of the screen; what can cause this?

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The light tunnel is either out of adjustment or collasped. Given the age of your projector I would say it is the latter. This will have to be repaired by a tech or you may be able to fix if you can get the part and a service manual.

Posted on Nov 15, 2010


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1 Answer

Why is picture 1/3 down from top and 3" in on right side is a little darker?

Did you move or bump the TV? That can cause misalignment. Did anyone fool with the setup? Get the manual and run through that again. Did you change input source (IE new DVD player, etc)? There is a setup (usually in menu) for slight adjustments to picture in most TVs, like on computer screens adjustments if you ever have done that. RTFM

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What's yWhat is causing 2/3 of the screen to be darker than the 1/3 (right side)?

Kindly elaborate a bit on the issue please and its better if you can post a video.

Your initial query shows that there is some problem with your display unit and you must take it to nearest service center for a check up.

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Check its back light CCFL lam of that side, which look darker. Replace it.

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Dark line down the middle of my flat screen tv

Most LCD and PLASMA sets use two boards (some combine them into one board) that drive the Display Panel (the entire front screen unit) so I would suspect one of yours is bad.

The other unpleasant possible cause is where the left board is connected to the Display Panel (entire front screen unit) you have a problem inside that Display Panel and that is fatal as there is no way to get INSIDE the panel---it can cause both lines and a dark picture on one side of the screen.

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What is causing 2/3 of the screen to be darker than the 1/3 (right side)? in addition, the darker 2/3 side color does not match with the correct (right side) colors. i have recently replaced the lamp and...

Is there an powerful electrical device kept very close to the affected side of the TV? If yes then please move it to a greater distance. This device may be affecting the display.

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Toshiba 57LX177: Right side of screen darker than left

I am not sure...but I have the identical problem. I believe the vertical lines are caused by the inverter board and the darkness is caused by the one of the back lights that needs to be replaced. I am tearing my unit apart now and will find out.

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this is a light engine problem and it is a recall for toshiba. Call them and they need to give u a new light engine.....even though u will have other problems after they do that.

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