Standby/temp = green timer = red lamp = red
SOURCE: t.v. will not turn on. flahes "lamp" then no picture!
I have a picture but the tv will periodically turn itself off during the day and then flash the 3 blinking lights...anyone know what the problem could be. We can fix it ourselves if we knew for sure what it is.
SOURCE: Turning off
Three blinking lights indicates a lamp problem. This can be from A) a bad lamp, B) bad ballast C) bad Light Engine/DMD Board. Try replacing the bulb first. As with any lamps, it has a limited life. If that doesn't work, you can try the ballast next. If that doesn't work, it's time to take it in to a certified repair center for diagnostics. Here is a page from the service manual on the three blinking lights.
SOURCE: Immediately Shuts off with blinking light codes
I suggest doing a google search using the tv model # and brand.
I have learned myself that different big screen tvs seem to each have their own common problems. I have read before of power supply issues that cause what your describing.
SOURCE: TV won't stay on. Green & Red light timer-lamp (Green) stand by/temp (red) flash.
Most likely needs a new lamp. Easily done yourself.
SOURCE: sound but no picture - won't stay on
you may check your lamp first. other than that i would say a faulty mains board.
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