Question about CTX Optoma EzPro 500 Multimedia Projector

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Large red spot with diagonal lines

Large red spot in the middle of the screen with diagonal lines. goes away somewhat when brightness is increased but picture cant be seen please help

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I had the same problem. For me, it was due to using **** cables...i was using the normal red/white cables from a dvd player. i changed cables and started using the vga connection. much better.

Posted on Apr 10, 2009

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Mmmmm

Posted on Apr 26, 2008

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6ya6ya
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1 Answer

Bright Spot


A fixed blue area on screen may be a display panel (main screen unit)
Here is a link for the boards etc this set uses--take your pick:

http://www.shopjimmy.com/sceptre-x460bv-f120

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Problem with IBM E74, a really old one, constant brightness. I changed he brightness and contrast. but it still looks, when we increase the brightness you know. its somewhat , only somewhat better when i...


if you increase them from the line in the board and the problem still you must exchange the line with another indeed its still in the market
if you not you must go to the line and deal with them

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1 Answer

Blue spot on screen


  1. First, look for the source of the problem. Large speakers, especially older ones, are the most common offenders. Notice the position of the blue spot on the screen (left, right, upper, lower, etc.) for an indication of which direction the magnetic field is coming from.
  2. If you think you have determined the source of the magnetic field, try moving the object away from the television screen. If this does not work, continue looking for other potential causes.
  3. f you are unable to determine what is causing the magnetic field, try moving the television. Sometimes magnetic interference can come from a neighbor's equipment, especially in apartments and condos. Moving the television to another part of the room, away from shared walls, may help.
  4. If none of these techniques succeeds in removing or improving the appearance of the blue spot, try to find if their is any demagnetizing coil button available in front of the TV panel , it may be symbol like magnet and a diagonal line on it

Please Rate it

Sep 05, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Red,green and blue lines across screen


I f these lines are slightly diagonal and they all showed up at the same time. you probaly have an open resistor in the ABL circuit. since your set is 13 yrs old, I would not put a penny into it.
You might take the front grill cover off and the panel behind it and find the little black box with 6 little controls 3 are for focus 3 are for screen turn the screen ones ever so slightly counter clock wise. the control in the middle is the green screen adjustment. If the green line goes away try the one labeled r for red and b for blue.

Mar 31, 2009 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

Sony 60" LCD projection TV has yellow screen discoloration


It sounds like you have a bad Blue Polarizer in the light path. I'm sorry but that is something you will have to contact a service center for. It's not something you'll be able to do yourself, I'm sorry, but that's the best advice I can give you.

Feb 17, 2009 | Sony Grand WEGA KF50WE610 50" Rear...

1 Answer

Yellow spot on Sony 55"


Possible dust in light engine? What ever you do, don't blow it out with the set on or hot. This easily equals instant death to bulb. 

Apr 23, 2008 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Sony 60" LCD projection TV has yellow screen discoloration


I would suggest to try to get this TV fix while still under warranty. Normally the manufacturers give one year.
In regards to the discoloration, there is not much you do but to let the Sony authorized repair center knows about it so they can fix it. Ask them if their work is guarantee as well for how long.
Good Luck.

Feb 25, 2008 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Tv red screen


nice to have model number.
tap on crt board with a plastic handle see if it goes away.
otherwise it sounds like the tube is bad, you could also try to adjust the red brightness screen

Feb 01, 2008 | Televison & Video

1 Answer

I GET WHITE SPOTS ON MY LCD SCREEN


this is a touchy subject for sony. basically sony has increased the brightness levels for the backlights to have better color tones in thier lcd's. well the downfall of this is the white spots you are experiencing. this is not a defect, you will never get them to go away, the only thing you can do is to turn the backlight and brightness down to reduce the white spots. if you contact sony, there is a software upgrade that will help reduce this issue...

Oct 17, 2007 | Sony Grand WEGA KF50WE610 50" Rear...

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