SOURCE: TV Picture Goes Black
I had the same exact problem.
I removed the bulb and cleaned it. There is a small screen at the top of the bulb and it was covered with dust. Once it was cleaned I replaced the bulb and it solved the problem.
Thanks to those who posted the solutions
SOURCE: Tv cuts off and green light flashes
If your set was manufactured around July 2005, you may need a firmware upgrade to solve this issue. On the Sony website you can enter your model # and serial # to see if you TV is affected. If so, it is easy to have done and may be free from Sony. It sounds like the issue they described in the writeup on the required formware update. I had mine done within few months of when i bought it (purchased in Dec 2005) and it has been working flawlessly since.
Good luck!
Donnieboy999
SOURCE: Sony kdfe60a20 - The TV turns on but after a
classic Sony telling you the lamp is going bad. Replace lamp yourself it is consumer replacable.
SOURCE: My RCA D52W23 won't turn on
The set is in shut down mode due to a fault detected in power supply/vertical or horizontal deflection circuits.
The common problems with this model that will cause the symptom you describe are bad power supply capacitors, bad flyback, bad HV cap in horizontal output circuit and cold solders especially under flyback area.
These are only the most common problems and it could be any number of other faults.
If you have electronic (TV) repair experience check the items mentioned, otherwise it's best to seek a qualified RCA tech for an estimate/service call.
Reply to this post if you need more advice.
SOURCE: I have Sharp LC37SH20U about 3 years old.
do you still have this tv. please call me at 214 374-6844
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