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Tv shuts off after 2 seconds of being turned on.

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  • Gatordad Jul 23, 2008

    my hd dlp tv shuts off after a while then, tries to come back on and makes all kinds of noises and after about 10 minutes it comes back on but takes another 2 or 3 minutes for the color to straighten up.

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Posted on May 28, 2008

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1 Answer

Tv will turn on and turn off in seconds


TRY the self check it should have: when it shuts off on the front of the set push MENU and INPUT(sometimes called device) both for 5 seconds and release both buttons.

Power light should blink a two digit error code like:

2 blinks and a pause and 2 lbinks


let me know what code you get and I will tell you what it means.

if this has helped you, rate this solution as I do this here for free.

SD TECH

Dec 15, 2009 | Projection Televisions

1 Answer

Hi. My sony KDF-E50A10 will turn on for about 30 seconds, then the picture and sound go off, the standby/power light flashes 49 times green and the set turns back on. After 30 seconds, the same thing...


tv works for about 2 minutes, then shuts itself off. the red standby light flashes 50 times, then the tv. comes back on for approximetly 2 minutes then goes off again, only to repeat again

Sep 28, 2009 | Sony KDF-E50A10 TV

2 Answers

TV turns on, then turns itself off about 2 seconds later.


set has a self diagnostic---after set does shut down press and hold MENU AND DEVICE(INPUT) buttons on front of set for 5 seconds----if 2 blinks, a pause and 2 more blinks: this is short protection error code---The set does use 2 Stk394-250 and each is protected by a pico fuse in the power supply---if either fuse is blown the set will shut down(it detects no voltage or missing voltage;) It is not uncommon for a shorted IC to cause this problem; if you locate the STK's look carefully at the resistors around them---if any are discolored or burnt---you have found your problem.

Aug 17, 2009 | Mitsubishi WS-65413 65" Rear Projection...

2 Answers

I was watching it and it just shut off when i turn it on 3 seconds later it shuts off again


this set has a self diagnostic feature:

Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;}


UNPLUG TV AND THEN PLUG BACK IN---TURN ON---GREEN POWER LIGHT COMES ON FOR 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 protect the Convergence IC or IC’s is blown---set will detect no voltage to convergence IC and shut down.


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


IF IT IS 2 AND THEN 2---USUALLY
CONVERGENCE CIRCUIT PROBLEM
If this has been helpful I would appreciate a vote from you here; if you need direct help:


etower.766@netzero.net

Aug 14, 2009 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

WS-65869 Turns off automatically after about 2 seconds


I have the same exact problem, did you guys got any help?

Jun 23, 2009 | Mitsubishi WS-55313 55" Rear Projection...

1 Answer

Brief power on then shuts off


It could be a component short or crack on the power supply board. Open the back of the TV and look for signs of defect. The power supply board is the brown one on the right with huge capacitors.

Jul 12, 2008 | Panasonic PT-61HX41 61" Rear Projection...

2 Answers

Mitsubishi turns on for 3 seconds then shuts off..after power surge


try holding in the menu and input buttons together on the front panel for about 8 seconds to see if the self diagnosis feature will blink a two digt code then let me know what happens

Jun 05, 2008 | Mitsubishi WS-55411 55" Rear Projection...

1 Answer

Turning on for 2 seconds then shutting off


thats the protection circuit. it detects that the low and or high voltage is not correct and shuts down.
you need a tech .

Sep 04, 2007 | Mitsubishi WS-55315 55" Rear Projection...

2 Answers

Projection TV keeps shutting down


I just took my Mitsubishi WS-65315 65" in to be repaired for the same problem and was told that it needed a new main circuit board part number 930b899005 as was told they wanted to charge me $1100.00. So I told them not to do the repair and picked up my tv and found that same part at Sears parts for only $225.00. Some of these TV repair places are theifs.

May 10, 2007 | Mitsubishi WS-48315 48" Rear Projection...

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