Mitsubishi green power light keeps blinking will not turn on

Reset the lamp timer by holding power and menu button down for 25 secnnds

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You need to change the four capacitors C9B01,C9B02,C9B10,C9B11 all 1000 MFD 16 VOLT (on the DM board which is inside the metal shield standing upright on the left looking from the back of the set)The tops of the capacitors will look puffed out making them easy to find. This is your HD tuner digital board which is trying to reboot but can't - when the green light stops blinking after a minute,than you can power on your TV.

have a 55 inch Mitsubishi TV.. the green power light keeps blinking.. is there anything I can do myself?.. or I have to have someone to get it fix?

Check the manual...blinking green light is normal. The unit is powering down cooling the lamp. It could have been a shut down command through pressing the off button by accident. If problem continues I would unplug tv and power on/off. Steady green. Next to the lights is a small indentation where you can reset the TV to the defaults. Take a paper clip ...power on..and put in the center. The green light will blink for a minute or two then go dark. THen power up.

mine required a bulb replacement it wasn't that old at the time
don't like being turned on and off a lot

The green light on the front blinkes and does not stop even after hitting re-set button.

my 55613 tv wont turn on just blinking green light

timer light keeps blinking tv does not turn on

Blinking Problem
http://www.chrisandnat.com/Projects/BlinkingTV/blink.htm
http://www.jeremyburns.com/Mitsubishi-Green-Blinking-Light-Fix.pdf
http://www.fixya.com/howto/h159332-mitsubishi_dm_board_repair
http://hdtvoice.com/voice/showthread.php?t=32186
replace DM

generally this means a bad digital module.. as a techinican the first thing that we would check are what is know as standby voltages. if they were there we would replace digital module.! question. Does it blink for more than 70 seconds. This unit comes with a lockout feature. to unlock press and hold menu down for 10 seconds on front panel.