Hi i have a philips 36pw8719 and recently the picture has become really fuzzy, blurry etc.( unwatchable )now and again it corrects itself but for only a small length of time. i,ve removed all scarts etc and it stays the same. it is gradually getting worse and happens as soon as i turn the tv on. any ideas? thanks
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I too would like to know the solution to this question...we are having the identical problem and Sony doesn't seem to know how to fix it. Although, the picture from the DVD player is perfect, the pictures for cable & video games are terrible. Very frustrating!
Inside the set you should see a large part with a red wire coming out the top. That is the flyback transformer. There will be 1 or 2 controls on the back of it. One should be labeled screen and one focus. Carefully adjust the focus one until the picture is again in focus. Please note that in that area are high voltages (33,000V) that can be dangerous. Be careful where you touch. IT is best to have a mirror so you can see the picture while adjusting the focus control.
Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.
What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.
as your problem is
the picture has become blurry/hazy
1 it sounds me that there is a little sparking near high voltage section that is near flyback transformer.please get it check.
2 if it is ok then focusing anode wire going to crt base from flyback transformer is not making proper contact due to some foreign material deposited on it.
please call tech person if you ae not aware of it as tv is a very high voltage device.