SOURCE: No Picture - Samsung LN-S4692D 46in HDTV LCD
I had the same problem and I replaced the t-con board. My t.v. is fixed!!!! I just couldn't see spending another 700.00 dollars for a repair shop to fix it. The t-con board is located at the top of the t.v. once you remove the back cover. Be very careful removing the two plugs at the top of the board which was easy once I figured out how the clips worked. there is a black lever like connection which flips up, then grip with your fingers the tab and slide the tape like wires straight out. The bottom plug is very simple. Also to expose the t-con board you will have to remove a heat shield cover. Once removed there is foil looking tape that needs to be peeled back to expose the board. The board is very sensitive to static electricity so if you have a grounding strap that you can strap to your wrist and ground to the frame while performing your repair. Its best to lay the t.v. face down on the kitchen table with a blanket to protect the screen. Good luck!
SOURCE: AKAI 32" LCD HDTV WILL NOT TURN ON
The only solution at this point would be to get the power supply repair since new boards are not longer being manufactured. In about 95% of the time if the LCD doesn't power up or turns OFF by itself or need to be unplug for some time to make work again; those are the symptoms of a dying or defective power supply.
I service these power supplies, for more info write to [email protected]
SOURCE: JVC LCD TV LT-42X688-powers on, blank screen. no picture,no sound
You most definately have bad capacitors in the power supply. try and get it repaired as soon as possible, not an expensive repair that iv'e seen.
SOURCE: polaroid tlx-03210b lcd tv tv will not turn on
Yes I think that would be the problem, aswell as some dry (cracked solder joints). A bad cap is usually bulged on the top and looks like this:
http://www.auroracomputer.ca/images/bad_cap.jpg
hope this is helpful!
SOURCE: After researching online, my TV
The green light is known as "The blinking green light of death". This refers to the green LED on the front panel of the TV that normally blinks when turned on after a power failure or when unplugged: the green light is supposed to flash for about 1 minute while both microprocessors boot up: If it won't stop blinking it means that they aren't communicating w/each other. Unfortunately, it's common in Mitsubishi & other RP TV's. Getting this fixed by a professional is around $6-700 with labor, parts, etc. It's really not worth it in my opinion. I would go out and buy an LCD or an LED TV.
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