Question about Sony KDF-E50A10 50 in. LCD HDTV

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TV turns itself on and off, Green light blinks

My KDF-E50A10 works great, until it turns itself off every 5 min. The green light blinks 44 times, every time, and then it comes back on as if nothing happened.

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  • kerrazy Jan 14, 2009

    The lamp seems easy enough to replace, how about the thermistor?

  • wshawjr Jan 14, 2009

    could I replace the thermistor myself, and if so, where can i find the part?

  • Anonymous Jan 21, 2009

    TV turns itself off and then back on every once in a while.

  • Anonymous Feb 06, 2009

    i am getting a new light but where is the thermistor

  • AZ_Engineer Feb 14, 2009

    Turn it on, then after a few minutes, turns off and standby LED blinks 44 times. Turns back on and cycle repeats. Sony blows.

  • dkmcomalley Mar 03, 2009

    turns itself on and off continuosly, Green light blinks 40+ times. or

  • frynbri Mar 05, 2009

    I have the same problem, but is the thermistor housed within the bulb unit?

  • lbernardo99 Mar 09, 2009

    My Sony KDF-E50A10 50 in. HDTV LCD Television turn off itself every 30 seconds and will turn on by itself but will turn off again after 30 seconds

  • Anonymous Mar 18, 2014

    My Sony KDF-E50A10 does not show a picture when I turn it on. The TV light blinks green and then goes to the lamp blinking red and nothing happens. I tried unpuggin it and waiting a few minutes but get the same result. Any advice?


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Lamp and thermistor needs replacing.

Posted on Jan 14, 2009

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1 Answer

My sony kdf-e50a10 stay on for about 3 mins and then the screan goes black and the green light start blinking for about 45 times and the the tv turns back on it do that over and over

It is symptom of weak lamp that has been reached to end of its working hours life yet not broken or dead. Replace lamp in tv to fix this problem.
Lamp replacement procedure is easy and would be written in user manual of tv.
Please buy Sony original lamp for good picture in tv.
Let me know if you have additional question.

Nov 22, 2010 | Sony KDF-E50A10 50 in. LCD HDTV

2 Answers

My TV screen went black and now the bottom light that is usually green, now blinks red 5 times in a row. Can you please tell me what is wrong w/ it?

5 times red standby light blinking shows problem with ballast supply board in Sony KDF-E50A10 model tv, ballast supply board provides high voltage to lamp to produce high bright light.
Please check/ replace ballast supply board in tv by local tv repairman.

Nov 07, 2010 | Sony KDF-E50A10 50 in. LCD HDTV

1 Answer

Model no. klv-22bx300 problem- green light

my sony KLV-22BX300 Tv when turn power on green led blinking,
and menu function not working properly

Jul 19, 2010 | Sony KDF-E50A10 50 in. LCD HDTV

1 Answer

I have a KDF-E50A10...its 4-5 years old, never been a problem....Tonite it has started playing for 35 seconds, and it cuts itself off for 35 seconds, I timed it. While it has itself cut off, the green...

The power supply board is dead.That the board where the power a/c cord plug into it.Replaced the power supply board will solved this problems.Tries websites like, to buy a refurbish power supply board for the replacement.

Jun 16, 2010 | Sony KDF-E50A10 50 in. LCD HDTV

1 Answer

My Sony TV blinks off for about 45 seconds; does it need a lamp?

mine does the same can keep doing that for hours, and then just clears up...the lamp light never comes on...did anyone answer this

Oct 13, 2009 | Sony KDF-E50A10 50 in. LCD HDTV

1 Answer

T.v turns off about 3 times a day

Its problem of bulb that got weak in result and causing TV shut down.
Replace bulb in TV and I would recommend to buy Sony original bulb for TV safety.

Jul 23, 2009 | Sony KDF-E50A10 50 in. LCD HDTV

1 Answer

Sony KDF-E50A10 50 in. HDTV stays on for 25 - 30 minutes then shuts off by itself power stand by light flashes green and turns back on in about 20 seconds by itself. can you help?

Hi, Lamp of TV getting weaker and requires replacement. This shut off by itself will increase day by day until you put new lamp in TV. Always Buy Sony original lamp and avoid aftermarket/ cheap lamp for TV safety.

Jun 09, 2009 | Sony KDF-E50A10 50 in. LCD HDTV

1 Answer

Sony KDF-E50A10 No Picture

4 times blink error shows that any FAN is not running in TV as there are 4 fans in this TV.
Please check fan connectors and make sure all are plugged securely.

Feb 13, 2009 | Sony KDF-E50A10 50 in. LCD HDTV

1 Answer


Replace the thermal fuse part# 1-910-006-44 You can verify this by jumping the connector where the fuse connects and the lamp will come on.

Aug 20, 2007 | Sony KDF-E55A20 55 in. LCD Television

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