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The TCON board or the LCD panel is faulty. Can confirm by replacing the TCON board.
If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/
You have to check your capacitor may some of it have leak. May your picture tube have already a problem. Just check first the capacitor filter on the flyback that supply the power for the CRT socket of the picture tube.
That is called "Frame Collapse" because the picture "Frame" has collapsed into the single horizontal line. It may be caused by dry joints or output failure of the frame output stage. A fairly inexpensive repair.
It is due the fault of its picture tube base socket. Picutre tube base socket can be located at the picture tube card connected at the neck of the picture tube. It is the socket that connects the picture tube pins to the circuit. It can be resoldered out and can be replaced.
Open your tv. Locate the picture tube base card, can be seen connected to the picture tube neck. It is pluged on to the picutr tube, and can be pulled out of it. Be sure not to make any tilt of shake while pulling it out. Just pull it back straight, may have to apply some backward pulling pressure. Resolder it out for the board and go for a same type and number. It can be available at most of the electronc sparepart shops. Replacing it will solve your TVs problem. OK
If you need furthermore asistance, feel free to get me through Fixya.
Brother this is problem usually when either the fly-back (picture tube transformer )or tube voltage regulator Transistor is damaged or the picture tube has a short
Cut feed lead to pin 16 (in the scart not the equipmend!) Does not matter which end. It just stops the TV from switching to RGB- The DVD is sending non standard RGB - PanamanNE
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