YELLOW CLOUD INCENTER - Televison & Video

You have the "blue blob" problem. This is a failing optic block. $500-1000 to fix. Time for a new TV unfortunately.

Most medical machine products are proprietary. Try this link: http://incenter.medical.philips.com/default.aspx?tabid=707

click start control panel administrive tools computer management device manager scroll down universal serial bus controllers you could see a yellow question mark?

right click to reinstall drivers

if you can see your usb drive but its not working

ports(com&lpt)right click update driver if this fails to fix the problem

check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems for a computer and its parts

click start control panel administrive tools ,computer management ,device manager look through all of your devices if you see a yellow question mark?or exclamation mark ! or red x

right click to reinstall drivers

hope this helps

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Bad Light Engine,also called Optics unit Block- (Part Number A-1084-666-A)
Encompass Parts Distrbution 1-800-638-3328 $779.55 After Refund for exchange on old Part.
PTS 1-800-844-7871 This Company might have better Price for Light Engine-Rebuilt

http://incenter.medical.philips.com/doclib/getDoc.aspx?func=ll&objId=4056385&objAction=Open

try this Link. This has very useful information

Sounds like your light engine is going

id guess your set is like a 50v500 or 50v720 its a lcd rear projection
the blue cloud come from a warped lcd plate in the optic engine and would require replacment to correct this problem
if you have a extended warranty you would want to contact them
if not you might contact hitachi consumer affairs and ask them if there would be any assistance with this repair

Hello 25000293, using Google "InCenter:Cardiology" choose incenter.medical.philips.com/Default.aspx?tabid=728-31k. From here you can download the Philips mod#M1771A. Merry Christmas.

REPLACE THE BUFFER BOARDS

One of the lcd panel filters has a bad spot on it. Most often its the blue filter.