Question about Sony KDF-E55A20 55 in. LCD Television

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I have a Sony Model # KDF-E55A20 HD Television. I

I have a Sony Model # KDF-E55A20 HD Television. I think that I have a Power Supply Problem because the picture quality is great but te TV comes on and off at 30 second intervals. The sound system that I have conected to the TV has 3 (three) barely discernable pops that can be heard before the TV comes back on. All the green Power On Indicator is on all this time. Am I correct in my assumption that this Power Supply related?

Posted by Anonymous on

  • Anonymous Oct 20, 2009

    The problem is not air flow because that was checked and all the fans are working and no excess of accumulation of dust in the the ducts. Is there a temperature switch that could be replaced or electonic device on the P/S that I should look at replacing.

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Chi Chu

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  • Sony Master
  • 8,457 Answers

So what ur prob?Yes the power supply prob.if getting nothing,no response to power,click when turn on,or no standby light indicator.

Posted on Oct 19, 2009

  • Chi Chu Oct 20, 2009

    No,the fan is directly control by the power supply.

    Do ur LCD lamp flashes?

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Why does my Sony KDF E55A20 LCD projection television stopped. It flashes green 3 times at power up and then continuously flashes red in 6 flash intervals


The problem is sort of complex. This could be the main power supply, or the high voltage supply. There is also a chance there is a short on one of the boards and the main supply is tripping to protection.

This is not something you can fix at home. In consideration of the service cost, and most likely the circuit boards and many of the parts will no longer be available, you should consider a new set!

Jul 16, 2014 | Sony KDF-E55A20 55 in. LCD Television

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Need instruction for KDF-E55A20 lamp replacement


Click Sony Support to download user manual of KDF-E55A20 that has lamp replacement procedure in details.

Sep 24, 2010 | Sony KDF-E55A20 55 in. LCD Television

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Red light flashes 6 times - no picture


Power Supply board is dead.Replaced the power supply board.Tries these Websites Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement,will get the power back.

Mar 24, 2010 | Sony KDF-E55A20 55 in. LCD Television

1 Answer

The sony model KDF-E55A20 has no sound or picture. The power led flashes red six times consecutively after being turned on.


Your thermal fuse has popped and needs replaced. This TV has a service bulletin regarding this issue. You should contact Sony for the replacement part/kit.

Mar 14, 2010 | Sony KDF-E55A20 55 in. LCD Television

3 Answers

HOW DO I GET MY LAMP OUT. I CAN'T FIND THE SPOT TO ACCESS THE LAMP ON MY SONY MODEL # KDF-E55A20


There are thumb screws at lower corners of TV, lose them and pull lower front panel, check near front control buttons you will see lamp door, open it and take out lamp. Put new lamp and put things in reverse order.
Thanks.

Jan 30, 2010 | Sony KDF-E55A20 55 in. LCD Television

1 Answer

Need to reset lamp hours for KDF-E55A20


This model does not require lamp timer reset, put new lamp securely and power up TV for picture.

Jun 06, 2009 | Sony KDF-E55A20 55 in. LCD Television

1 Answer

I have a sony 52" tv model kdf-e55a20 dont start up


Probably lamp. usually powersupply will give the first click but not the second to power up the lamp. there is no horizontal fix for that type of tv

Jun 02, 2009 | Sony KDF-E55A20 55 in. LCD Television

1 Answer

Sony kdf e55a20 picture goes black sound stays on


Thanks for updates.
Its time to replace Lamp. Please buy original Sony Lamp for Sony TV and avoid aftermarket or compatible parts for good performance of TV.

You can purchase original Lamp form Sony Accessories Store. Just type TV model in search box and see details by click search.
Good Luck

Jan 17, 2009 | Sony KDF-E55A20 55 in. LCD Television

1 Answer

How do I get to the bulb?


Hi,
You can buy Original Lamp for your Sony KDF-E55A20 from Sony Accessories (Official Website of Sony) by entering model number as above in search box.
For your information, Lamp (bulb) part number is ...
A1085447A* LAMP BLOCK ASSY XL-2200U and price is approx $200
Thank you.

Oct 03, 2008 | Sony KDF-E55A20 55 in. LCD Television

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