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We were just watching tv and it just shut off. Now it won't turn back on. I already unplugged it and still nothing except for the green light will come on for a second then turn right back off. You can only use the power button on the tv not the one from the remote. This tv is a Sanyo 50" plasma tv model #dp50740

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Now tv on,power LED light indication flashes?Yes.The power supply board is the problems and the causes.That the board,where the power a/c cord plug into it.Try website like Ebay.com to buy a refurbish power supply board for the replacement.

Posted on Mar 24, 2011

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Screen went black. Shut t.v. off and tried to turn it back on. Power comes on, front light is green, and in about 3 seconds the t.v. shuts off, green light goes off. Was playing dvd at the time. Shut off...


MOST OF THESE SETS HAVE A SELF DIAGNOSTIC:

UNPLUG TV AND THEN PLUG BACK IN---TURN ON---GREEN POWER LIGHT COMES ONFOR A MOMENT AND GOES OFF.

PRESS AND HOLD "device" and "menu"buttons on front of tv for at least 5 seconds and then release both together.


Watch for power light to blink in a sequence:

1 blink-then 2 blinks-------no error

2 blink-then 1 blink-------X-ray protection

2 blink-then 2 blink-------SHORT PROTECTION*******

2 blink-then 3 blink---------deflection circuit problem

2 blink-then 4 blink---------vertical circuit problem


******2, then 2 is most common---usually means one of the fuses that protectthe Convergence IC or IC's is blown---set will detect no voltage to convergenceIC and shut down.


SET WILL REPEAT BLINK ERROR CODE UP TO 5 TIMES ANDTHEN TO GET IT TO REPEAT MORE YOUHAVE TO UNPLUG SET AND TRY TO TURN ON AGAIN.


IF IT IS 2 AND THEN 2---USUALLY
CONVERGENCE CIRCUIT PROBLEM

let me know what you find--hope that you find 2 blinks, a pause and twoblinks--this is the most common and easiest to fix. SD TECH

Jul 15, 2011 | Mitsubishi WS-55819 55" Rear Projection...

1 Answer

Not working


Did you try to physically unplug the TV? Leave it unplugged for a few minutes then plug it back in.

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1 Answer

AKAI LCT3201AD


Find and replace the following caps, Ec18, 19, 20 / 1000uf/16v,
Ec9, 10 / 1000uf/35v, Ec14, 25 / 470uf/35v should resolve the problem. You can get the caps at almost any electronics supply.
This is a common problem in this unit.
Good Luck!
Happy Thanksgiving!
Bill

William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631
360-642-4993
premtech@willapabay.org

Nov 27, 2008 | Akai LCT2715 27 in. LCD Television

1 Answer

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 jah2mil@hotmail.com

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Philips 37PF7320A/37 won't turn on


That blinking led is an error code for the audio standby board in the set. It should not go out this soon and yes it should last longer.

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Philips 42 in. Plasma shut down


did u cheak the input cables does it do it on dvd input as well as others ?

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Rca Big screen shut down and now no power


NO audio and no picture .... no power to on - off button. Checked outlet and it is good .... cable connection good - checked with another tv....

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1 Answer

Green light just blinks


Four bad 1000mf/25v caps in DM module = Common repair
for qualified Mits tech..................................T.

Nov 11, 2007 | Mitsubishi WS-48513 48" Rear Projection...

1 Answer

Green Light flashes all the time, TV will not do anything.


Sounds like the video board is fried, Call Mr. TV repair guy or the company you got it from.

Jun 10, 2007 | Mitsubishi WS-55513 55" Rear Projection...

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