How old is this TV and have you replaced its Lamp during that time? Symptoms shows your Sony KDF-E55A20 TV's lamp is weak and need to be replaced. Lamp replacement procedure is written in its user manual and if you want online copy, let me know.
my tv works fine and then the picture goes black and sound goes out then the picture comes back...
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my tv works fine and then the picture goes black and sound goes out then the picture comes back clear adn the sound follows in a few seconds. Then the process repeats. Whats going on?
I get the red light flashing 3 times. I change the bulb but it only work for 10 minutes and then...
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I get the red light flashing 3 times. I change the bulb but it only work for 10 minutes and then blackout. Do I need to change the power supply or ballast?