Question about Sony KP-46WT500 46" Rear Projection HDTV-Ready Television
Posted on Aug 23, 2007
Your blue crt has a short - you can verify this by unplugging the socket from the blue crt and powering up the set and you should see a yellowish looking picture with just the red and green crt's operating. You can try turning down the screen control pot (B) for blue with the blue crt on (just to the point where you no longer see retrace lines in the picture on a blank input)Sony has had a lot of problems with the crt's on these models and sooner or later all the crt's will fail - For a permanent repair all must be changed.
Posted on Aug 20, 2007
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Posted on Jan 02, 2017
SOURCE: Blue Screen
You have a bad blue picture tube. If you replace it the red and green will be weak and probably go sooner than you think. Everytime I had to replace a tube in a sony projo tv i had to replace all 3 picture tubes at the same time. It's very expensive if you don't have any type of warranty coverage.
Posted on Feb 10, 2008
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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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