Bright colours or light scenes work fine on my PH110. But when dark/black scenes occur the image(s) pixelate reallyy badly and frequently.
Any idea's what could be causing this?
Progressive scan perhaps?
Could it be the DVD?
Resoltion of that is being delivered to the projector?
Any help appreciated..
Hey i have the same prob with mine (same model) but it only happens when i send the picture through the rca video in. if i use my pc and use the 15 pin plug, it works fine. i cant explain why it happens, but i jus know it happens.
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My suggestion would be to test your computer using a different monitor. You have to find out whether it is your monitor that is bad or your computer. If you use a different monitor and everything looks fine and you see no dots then you know the computer is fine and it's the monitor that is bad. But if the screen still show dots and lines even with different monitor then your computers video card has gone bad and needs replaced. I would not try to repair the monitor that can be dangerous.
Sometimes a technician can make adjustments to the y-sus and z-sus boards on the panel. If that doesn't work then its either replace those boards along with the main driver board or replace the panel. Either way this requires a technician to look at the TV.
TFTs can produce a wide array of colors, but it takes an enormous
number of transistors to make up a display, and a problem with any one
of them creates a defective pixel on the screen. Typically this shows
up as a bright spot on a dark background, caused by a damaged TFT
failing to turn off a pixel. Most active matrix displays contain a few
bad pixels, but a few bad pixels are not going to have much of an
impact on the overall picture.
The properties of
liquid crystal material can create problems with viewing angle effects,
causing the image to darken, disappear, or reverse the dark and light
tones when the viewer is not directly in front of the display (kind of
like looking at the negative of a photo). The light bulbs make LCDs
heavier than the plasma TVs (though they are still lightweights
compared to CRT televisions.
Benefits of LCD TVs
include a picture that can't burn in and doesn't deteriorate over time.
Because of their flat-panel nature, placement options are plentiful,
optimizing the cool factor over standard TVs
This is a problem we have seen on this particular unit. There are internal adjustment that must be done to correct this problem. This adjust is done on the power supply. There are VS, VE and VA adjust. Look on the interior of the Panel for voltage chart. Adjust these voltage accordingly.