Tv does not stay on

Tv won't stay on - Fixya

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Tv won't stay on My tv comes on, the power light comes on, but it won't stay on, it goes off by itself a few seconds - RCA F27450 27" TV question. ... My TV will notcome on, when I hit the power button the green light flashes but the ..... Please do Note: The front panel buttons must be used, NOT those on the Remote Control.

Why won't my TV stay on? ' Yahoo Answers

sounds like a mainboard problem

Click the link below :----http://wikisolutions.blogspot.in/2012/02/get-free-answers.html

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

MY TV TURNS OFF AFTER WE TURN IT ON IT GOES BACK OFF A FEW TIMES AND THEN STAYS ON. AND WHEN I COME HOME FROM WORK IT STARTS ALL OVER AGAIN, THAT HAPPENED FOR 2 WKS NOW IT JUST GOES OFF YOU ONLY SEE THE GREEN LIGHT ON THE FRONT COME ON(POWER LIGHT) AND IT GOES RIGHT BACK OFF IT WILL NOT STAY ON

a tv has two components, firstly a power supply produces high voltage to trigger a line transformer, in turn a transformer produces smaller voltages. firstly check if the ht is constantly been produced from a supply, if this is there than go to a line transformer, and check voltages at the output.

TV STARTS UP AND GOES BLANK SOUND NO PICTURE

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

Hi,

Are you saying that the screen goes black after the DVD player stops working?

keep pressing the channel up/down button and the screen will come on it may take a few minutes dont use the switch on the side of tv just use the remote buttons u could try the power button on the remote aswell