Question about Panasonic PT-47WX42 47" Rear Projection Television
The only problem I am having is a transparent blue and green below the blue curving across the top and bottom of screen. Kind of looks like a someone took a spray can of blue and sprayed it across the top and bottom of screen except it looks like a wave on both bottom and top of screen. The strip of blue is about 5 inches wide and the green following just below the blue is about the same size.
I tried the convergence 1 (lined it up to hash marks on TV and went thru the other colors and lined them up) and 2 and it is most evident on convergence # 2 that the blue will not line up with cross marks. I tried the #2 convergence but no matter what the blue will not line up with the hash marks. The blue is high on the upper left hand corner (the hash mark is yellow). The blue is also hign on the upper right hand corner. The lower left hand corner is high and the center bottom is slightly high. It is as close I as can get them by convergence.
Help, how do I align these colors that just went bad one day? Thanks
My email is email@example.com
Resolder the Thermal Deguassing Cube. It is usually Black, about 3/4 inch cube and will be located close to the deguassing coil plug coming from around the Picture Tube
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Posted on Feb 09, 2008
This could be a heater-cathode (H-K) short in the CRT, a failure of a component in the chroma circuits or video output (driver board), or bad connections there or elsewhere. Don't panic - heater-cathode shorts in CRTs can often be worked around.
Note: before proceeding, it is a good idea to make sure that the screen is degaussed - else you could be attempting to track down problems with the wrong color!
Some simple tests can confirm or rule out other possibilities.
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Posted on Feb 09, 2008
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Posted on Jan 02, 2017
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