SOURCE: Power light flashing/ no picture
I have the same problem. The only way to get the TV to come on is to unplug it, but once you get it back on it turns itself off again in a few minutes.
SOURCE: Flashing Green Light on Front of 73" Projection TV
on the signal board replace the caps by the 5/9 volt regulators. c2p04 is the main culprit. 6 caps in total can be changed. I believe c2p05 also.
SOURCE: Model WS-55909 Green light flashes won't go out. No TV
You need the WS55909 - WS73909 DM kit. You can get it at the following link which contains the capacitors and the CD with instructions on how to do the repair.
http://www.tvrepairworld.com/
SOURCE: tv wont turn on
Hello Charliebigwh, hi technically your monitor's power supply has a problem, this is either your switching regulator does not work or there is a short in that section, If you want to do it your self, need to replace all large value, and or high voltage capacitors(especially the capacitors with its top is bubbly), need also to replace the switching IC, and power transistor.
Have it checked by a technician if you cannot do the work.
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