Question about Sony KDF-E50A12U 50" LCD HDTV

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Sony kdf-e50a12u my tv flashes the green power light only

My tv flashes the green power light but doesnt fire up at all
the fans dont run and it doesnt display any bulb errors or red lights
i have replaced the bulb but this does this even with the bulb removed

had someone check it for me and he said the eeprom is faulty anyone know where i can get a replacement board to fix this from its a uk model so needs to be uk sourced part probably?

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  • Sony Expert
  • 261 Answers

How may flashes the LED does? This error code will tell you what is the problem.

Posted on Aug 02, 2017

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Posted on Jan 02, 2017

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experttv
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SOURCE: Sony Grand WEGA KDF-60XBR950 60 green orange green red flashing light

3 blinks is a lamp cover error, did you make sure that the lamp cover is screwed in tight? Also check the lamp cover for deformity, there is a problem with your model where the set over heats and melts the lamp cover a little causing it not to make connection with the lamp cover switch. Let me know if you find either of these problems? If not we can troubleshoot a little further.

Tim Nolan

Posted on Sep 14, 2008

  • 668 Answers

SOURCE: dull dark picture on kdf-e50a12u rear projection

Depending how long you have owned it and if a Lamp was ever replaced, it probably needs to be replaced. You can check with SONY at
1800-222-SONY and see if they could sell and send you one.
Hope this helps,
Skyassoc

Posted on Jul 21, 2009

techman007
  • 1112 Answers

SOURCE: My sony bravia kdf-e50a12u turns itself off

Hello Abasama:
Ok so you have gotten other assistance and no luck huh..
First where did u purchase the lamp, Look at it and make sure its a phillips type lamp, Most sites will sell you a lamp made by LTI these lamps are of poor quailty and proformance. IF the green lamp light is flashing along with the red light, The green is in most cases the lamp light error indicator, the red one next to it is the Temperture indicator. first your need to determine how may flashes the light are indicating, You could have a Bad thermistor which is located on the lamp housing itself, its use to report the lamp temp back to the main signal board. But this error code usually gives 6 flashes and 5second intervals, and repeats ifself. I have an Ebook I wrote for these types of error codes which might help you. So this is what i want u to do.

1. First turn off television
2. In sequence using your orginal sony remote that came with the set, press DISPLAY KEY, 5 KEY, VOL UP THEN PRESS THE POWER BUTTON, you must press all 4 buttons within 3secs or it will not work. the set should come on with a dianostic mode menu, with options like Fans, lamp, lamp hours, lamp door etc.. some menus are different but all sony televisions uses these code to access the diagnostic screen. Next to the options are recorded error numbers the number of times a perticular error has occured. Example (Lamp Driver----------4, or Lamp door-----------1. this indicated that the lamp door has been removed once.
or Lamp Driver has either failed 4 times or the unit tried to light the lamp 4 times.. Just remember that the number to the right represents the number of times and error has occured for that perticular function. This simple menu should lead u in the right direction for solving your problem. One note i forgot to mention, the lamp driver error also could mean the lamp itself is bad and not the driver(Ballast). Also when you have solved your problem go back to the diag menu and hit the 8 key on your remote to reset all error options back to zero. to get out of the menu just turn off power with remote, you can do this first after you see what error is being reported the go back and see what it records to futher help you troubleshoot your set

Hope this helps, I sell the Ebook for 19.95 which shows you this procedure and how to replace your color wheel and so on..
you can email me at delhielectronics@live.com


Good luck..

Posted on Sep 22, 2009

  • 556 Answers

SOURCE: SONY KDF-E50A12U TURNS ITSELF OFF AND FLASHES

Check your lamp door, it may be warped.

Posted on Dec 11, 2009

  • 380 Answers

SOURCE: I have Sony tv model KDF-42WE655 which stopped

Its not the green light that you should be count but the red. How many times is it blinking? Here is a quick update of the errors that are most common.

3x - Lamp switch not engaged
4x - Fans issue
5x - Lamp
6x - Thermal fuse

Posted on Dec 15, 2009

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1 Answer

SONY KDF-E50A12U TURNS ITSELF OFF AND FLASHES POWER LIGHT RED 4 TIMES HELP PLEASE


the 4 blinks on that model are indicating the set isnt starting due to a problem with the fan,

Aug 06, 2012 | Sony KDF-E50A12U 50" LCD HDTV

1 Answer

Kdf-e50a10. tv was working for 1minute then turned off and green LED flashing for about 1 minute then turned ON again. it repeated every minute.


replace the ballast power supply block that will solve the problem .its on left side back of the tv by the fan

Feb 20, 2012 | Sony KDF-E50A12U 50" LCD HDTV

1 Answer

I have sony lcd hd ready 50inch rear projector tv model number KDF-E50A12U tv comes on after couple minuets tv clicks off to stand by then red light in stand by flashs 3 times gos back to green repets


Hello
Three blinks of standby light to Sony TVs indicates that the regulated voltage output from power regulator board is above thatn normal. The problem is with its power supply regulator board. Replace all the electrolytic cpacitors on that board with new ones. Replace all of them including small and large ones, at one time. OK.

Feb 04, 2012 | Televison & Video

1 Answer

Hi i have a kdf e50 a12u the bulb went so i relaced it and still no picture just keeps flashing green and red any ideas?


Ballast board it is what powers Lamp on.
Encompass Parts Distribution 1-800-638-3328

You need to make sure you do not have any defective Cooling Fans -If Lamp Fan is Defective Lamp will not come on either.But if Fan is running and Lamp Fails to light Ballast board

Sep 30, 2010 | Sony KDF-E50A12U 50" LCD HDTV

1 Answer

Sony bravia KDF-E50A12U rear projecion tv wont turn on


Hi it sounds like it could be an issue with board that powers the lamp ,it's called the ballast.When you put a new lamp in the ballast has to provide more power ,when it starts to go weak it will not light up.Sometimes you can put your old lamp in and will work fine.Try partstore.com they might have it right there.Hvae a blessed one!

Mar 02, 2010 | Televison & Video

2 Answers

The tv doesn't stay on. it turns on for 4 seconds and goes off... then comes back on and goes off.


Hi,
If its Sony KDF-E50A12U TV then its problem of weak lamp in TV that will be replaced and problem will be fixed. Lamp light on TV front will lit in case lamp is dead or broken but current symptom shows Lamp is not either dead or broken yet it got weak in result and causing problem.
Lamp replacement is easy and would be written in user manual.
Please but Sony original lamp for TV safety.
Let me know if you have additional question.
Thanks.

Jan 13, 2010 | Sony KDF-E50A12U 50" LCD HDTV

1 Answer

Sony 50 inch KDF E50A12U switched itself off!


Does the on/off light flash green and red or just green. Is the light to the left of the on/off light on (this means bulb has definately blown)

Probable problem is that your lamp has blown. This can replaced quite easily, but costs about £100. Search google for xl-2400, there is also a video on youtube showing how to replace bulb.

Aug 11, 2009 | Televison & Video

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