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Hello:
The symptom you are describing could be one or two things, if it works for a while then starts to act up this coulb be an indication of a bad solder joint. But it may also be the CRT or the picture tube. Try tapping on the sides when it starts to act up while watching the picture to see if it clears when its tapped on. If it does then you have cold solder joints on the main board, this is a easy fix. IF it does'nt then I suggest you contact your store for warranty info to have the CRT replaced or the television exchanged. Since its still under warranty you might as well use it before it expires...
Hi Thanks for using FixYa. Usually
this happens when the Light Engine has gone bad, and I should say this is a
common issue with Projection TVs. There are three tubes/mini LCDs inside your
TV- green/yellow, blue and red. When the set heats up over time of usage the
screens tend to break resulting in leaking color everywhere. The cost to get
this fixed by a professional should be around $300 depending on the parts that
needs to be replaced. Please do accept the
solution if the issue is resolved or else revert for further assistance. Thanks Rylee
you have coolant in your red, green, and blue picture tubes. this coolant will start to turn dirty as time goes. the coolant should be clear but when it starts to turn, your picture has like a haze in it. coolant needs replacing. suggest local service center
Philips tv's have always had this problem. Between the picture tube and focus lens there is a layer of coolant fluid. The coolant fluid, over time, will break down and turn a brownish cloudy color and it usually starts with the blue. Something to do with the color frequency. Have a good repair shop check it out and if the fluid is the problem have them change all the fluid in all 3 picture tubes (there is a red, green and blue tube). Don't feel bad, like I said all the philips projo's had this problem. Thanks
Sounds like a bad blue CRT (picture tube) ITs expensive and difficult to replace. CAll a Sony service center for an estimate. but expect to spend $500-700 to replace it.
My first inclination would be to check the picture tube, especially if the set is over 7 years old. If it is not that, then anything from bad solder connections to capacitors or a defective IC could be the cause. If it's over 10 years old, replace it. No use flogging a dead horse.
Most likely cause would be a loose solder connection that expands as the set warms up until it no longer makes a connection. You may get the blue to come and go by hitting the side of the cabinet after the set is warmed up awhile. (don't hurt your hand doing this, and don't keep doing it to "fix" the set. The connection will have to be located and repaired). Otherwise, there could be a component going bad, including the blue picture tube.
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