Question about Philips Magnavox 51MP392H Rear Projection Television
I recently received a Phillips Magnavox PTV710 MDL # FP4640W102 47" the picture is distorted at the top. Looking from left to right across the top you will see a U shape or half circle that extends down from the top at the center 2"-3" This shape is blacked out except for the little white lines running thru it as if following the circle. This causes a warped effect in the picture. I adjusted the convergance the best I could but could not do the Green geometry as I don't have a template. This seemed to help some and also brought the colors in some. I think it also may need a coolant change. The green is foggy and Blue is dirty. It has also developed an intermittent High Pitch Squeal. Any Sugestions??? Thank You
You may have a convergence problem. Here are some of the most common symptoms and example photos.
Here is a quick test....
Using your original remote go-to the tv settings then goto the convergence section.
Try to adjust the red and then the blue convergence.
You should be able to move them up, down, left, and right.
If you can't move them in all directions your convergence chips are bad and shouldDistorted Picture and High Pitch Squeal - 2c07611.pngd. This is a common problem.
You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick email and they will put one together for you. Their kits includes photo instruction guides, original Sanyo STK chips, convergence resistors, pico fuses, etc.
Posted on Feb 05, 2009
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