Question about NEC Plasmasync PX-42VM5A 42 in. EDTV-Ready Television

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Tv will not stay on it turns on and in 2 seconds it turns off

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Mine too.....any solutions yet??

Posted on Jun 09, 2011

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Posted on Jan 02, 2017

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MY R.C.A. MODEL 20F420T WILL NOT STAY ON. TURN IT ON IT MAY STAY ON 3 SECONDS TURNS IT SELF OFF TRY AGAIN IT MAY STAY ON 2 SECONDS BACK OFF THANK YOU ????


The first couple of seconds of operation, most TVs are doing some self-test and if something has failed making full power on dangerous (for fire) they will shut down. Either a major component in the horizontal section has failed or the main power supply itself is defective.

Dec 05, 2010 | RCA 20F420T 20" TV

1 Answer

Tv wont turn on


hold the menu and input/device buttons for 5 seconds and it will blink you a 2 digit code
1-2 normal operation
2-3 i believe is short circuit protection = probably a convergence failure
here is a link to my tutorial
http://www.fixya.com/support/r5001731-convergence_diagnosing_convergence
Let me know if I can be of further assistance.

Jun 20, 2010 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

New TV 9 mos old, Won't stay on after power up? Remote or manual turn on, set keeps turning off after 1-2 second green on and brief screen flash.


I would try leaving the TV unplugged for 30mins so the TV can reset itself.
If that doesn't work, your TV should still be under warranty. I know 95% of come with a 1 year warranty.
The most common problem with Sylvania TVs made by FUNAI, the Backlight Inverter board fails to early in life. ( That's the part that powers the screen)
The Tv can't power up the screen and it turns off automatically. Basically called "Protection Mode" so it protects the other parts inside the TV.

Jun 01, 2009 | Sylvania LC320SS8 32 in. LCD Television

1 Answer

My VS-60607 won't turn on


there is a fuse blown in the television keeping it from staying on. after the shutdown press and hold the menu and device/input button for about 5 seconds and the led will blink a 2 digit code with a pause in between. the code will repeat itself. 2.2 is the most common and points to the convergence ics and 1 or 2 5a pico fuses. 2.3 is the next most common and points to a fault on the power supply. goodluck.

Feb 05, 2009 | Mitsubishi VS-60607 TV

1 Answer

TV won't stay on for more than 2 seconds


TV turns on for 2 seconds then shuts off. Sleep/timer blinks. Won't go back on unless unplugged and plugged back in

Nov 16, 2008 | Televison & Video

1 Answer

My T.V is turning itself off after 2 seconds where you can hear sound but there is no picture


Hello according to the symtom that you have describe I think that maybe you have activated the sleep function button on your tv and if this is not so maybe there is an internal problem on the main board of the tv.

Jan 10, 2007 | Sylvania 6413TD 13" TV

1 Answer

Standard tv


I have the same problem with a 20" RCA. If I turn on the TV from the unit itself, it goes off in 2 seconds. If I use the remote (universal) it always stays on. Just a solution that works for me. Best, Rickjsn

Nov 15, 2006 | Philips 25TR19C 25" TV

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