The TV is 2.5 years old. Suddenly there has appeared a black circle in the upper right corner of the screen. Also some vertical lines along the entire top of the screen. I changed the controller board, but the problem remains the same. Can anyone help? Thank you very much in advance.
Hola Ignacio, pareceria falla del panel, ha sufrido algun golpe o movimiento brusco?
What board did you change?...the Tcon?
SOURCE: Mitsubishi HD 65" thin squiggly line in upper right corner that moves
Is the problem there on every source? DVD playback ok?
Suspect signal source box.
May have bad connection since move.
Is the problem same on every channel,if source is cable direct?
Please provide more info if more help needed....T.
SOURCE: lcd tv picture,on start up
is this a rear projection tv? a table top one? how old is it because if it's over a few years old, then it sounds as if the bulb may be going out but without having more info, it's hard to give an accurate advice.. please let me know if this helps..
SOURCE: Sony KF50WE610 Vertical Blue Lines Across Screen
the vertical blue lines indicate some interference from other electronic gadgets near your tv. it started showing up on my sony grand wega when i installed my wireless modem. i almost ordered a new rear projection lamp costing over $100 but decided to experiment. i first moved my desk computer farther away from the tv then isolated the wireless modem router by placing it inside a small glass - the vertical blue lines became lighter in color so i dedided to find another small glass that fit inside the first glass container then put the router in the double glass - no more blue lines and my wireless modem router still works.
do some deductive thinking to figure out what's messing up your tv and isolate the interference.
good luck!
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