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This is a vert problem. Most of he time it is a simple capacitor and integrated circuit. Our shop repairs everyday.. est in columbus GA. is around 90.00 . I hope his helps. GOOD authorized shop should be around the same.
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Hi there ! If you know technically try this : 1. try to adjust manually the trimmer at the vertical and horizontal section of your tv (located inside) 2, check for possible cold solder and try to fix it by using soldering Iron and soldering pump. 3.there maybe a change value of resistor inside the horizontal Section. 4. An open and leaky capacitor might also be the cause of Horizontal line at the top of your tv screen . thank you.
You have some bad grounds on the Vertical IC. In addition to this, in the immediate area of this Vertical IC, are a few bad capacitors. Look for this IC mounted on a large heatsink. It may have seven pins . I cannot remember for sure. I have not worked on this particular TV, so I cannot give you specific locations. But I assure the problem is in this area! If you have some electrical experience you can pull this board out. In this case only the caps need replaced and the IC resoldered. Good Luck and thank you for asking. If you have anymore questions, visit me...Thanks Again! Your south of the border tech!
Pls note that my experience is with the phillips 27" model27PT6341/07. It may not be the same board as yr model, as I can't remember nor find the service manual anymore. (browse around online for it though)
However, after taking the back off. Look close to the rca jack and svideo connection. Mine is located about an inch from the svideo connection.
Here are some pics that may help you. http://farm4.static.flickr.com/3215/2337629026_eaa30cfa18.jpg?v=0
You have bad capacitors in the vertical sweep circuit. If you have no electronic repair experience, you will have to take the set into a repair shop as these parts are soldered into a printed circuit board and need to be tested with an ESR cpacitor meter. Good luck