Question about Televison & Video
Switched it on and got an all blue screen one day (red and green are there but flash)
popped the back cover off and you can see the red and the green tubes flashing really fast, but the blue just sits there bright with no flashing.
i can cure it temporarily by swapping 2 colours on the back of the focus block.
There is no noise and the tv still takes the same time to come on as normal.
Any ideas whats causing this???
Try looking into the blue CRT lens while its on and see if the coolant has congealed. You will be able to tell if it has bacteria growing as this can cause the blue to be unresposive and make your screen have a blue haze. The coolant will need changing if this is congealed with bacteria. This is a common problem in all projection tvs blue and green are more prone to this sympton red is not.
Posted on Mar 30, 2008
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Posted on Jan 02, 2017
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Could you show a picture of the distended cover you mentioned?
Were the light blue lines you were referring to, diagonal, or truly horizontal?
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