Question about Sony KDF-E55A20 55 in. LCD Television

2 Answers

HELP! KDFE55A20 watching TV and screen goes black and loses sound

I replaced the thermal fuse about a year ago. The black screen just started. The tv will be on and then just goes black, no sound either. After 30 to 40 seconds, it comes back on. Not gradual, just pops right back. When I tried turning the tv on and off, the I did get the power light blinking red 5 times, then pause, then 5 times, and so on. Then it stopped. I waited a few hours and turned the TV on, and it came on, but then the black screen thing started again. Is it the lamp? Would the lamp cut off the sound too? HELP!!!

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  • kinduisi Mar 09, 2009

    I have the same tv. Picture just went out and the power light is blinking 5 times. It is out of warranty. Anyone know what I can look into?

  • joseffiala Mar 09, 2009

    It is not under warranty and I have no idea what the 5 blink code is. Input ino what the code means would be helpful.

  • designs21 Apr 02, 2009

    TV goes black for exactly 30 seconds with no audio also and then comes back on, video first and then audio 5 seconds later. Then it will stay on and work for 1 minute and 10 seconds and then go black again for 30 seconds with no audio again. This cycle continues for who knows how long. I just turned TV off.



    So, is it the Lamp?

  • ksaenbandith Apr 24, 2009

    I have the same problem! I had the thermal fuse replaced a year or 2 ago as well. And now the TV turns on and off on it's own. And now it doesn't turn on at all. I called customer service and they transferred me to Customer Relations, they are offering that I choose a new TV and they will provide a discount, but they won't tell me the discount amount.

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  • 10,594 Answers

Yes, its most probably lamp issue.
Please but original Sony lamp from Sony store and replace it in TV.

Posted on Mar 07, 2009

  • Shahid Electronics
    Shahid Electronics Mar 07, 2009

    but = buy ( sorry about typing mistake)

  • Shahid Electronics
    Shahid Electronics Mar 10, 2009

    5 times blink error shows problem Lamp Driver circuit.
    Either Ballast power supply or Lamp is defective.



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What is happening here is that a problem is being detected by protective circuits inside the set and it is shutting down to prevent further damage. Since this recovers after a period of time to "cool down" it is possible that there is a heat sensitive part that is now defective. Without taking measurements inside the set, it wil be near impossible to find the particular problem. The 5 blinks offer a clue however. That will indicate the circuit in which the problem was detected. You do not indicate the age of the set. Is this under warranty? If so, request warranty service and indicate that this is an intermittant problem that will take some investigation. If it is not under warranty, please let me know. I will research the 5 blink code as I don't have the service manual with me at the moment and try to get you more information.

Dan

Posted on Mar 08, 2009

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