Panasonic PT53WX53G Support Question
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Question posted by rawlinsed on May 13th, 2012
Image Distorted From Bottom Of Screen Being Black.
Current Answers
Answer #1: Posted by TVDan on May 13th, 2012 10:34 AM
Your TV is a CRT (cathode-ray-tube or picture tube) driven rear projection TV (no lamps inside). They place a red, green and blue picture tube next to each other and place a lens on each tube. The red and the blue (these are on the sides of the green) are tipped slightly so the center of their picture matches with the green, but being tipped and the lenses causes the raw picture to be trapezoid and the edges to be arced.
To correct for these problems a "convergence circuit" is used to modify the deflection to align the picture geometry of each tube.
TV Dan
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