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I have a 2.5 year old kdf-e55a20 grand wega. Screen goes dark, no audio, comes back after a minute or less, stays on for short time or could stay on for hours.

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Hi!

Sounds like your signal tuner or your main board (main unit), if the 2 boards are separate I would say your signal board. But you may also look at your power supply for any bad caps (capacitors), they would be bulging on the top or leaky (brownish stain) if they were bad. This drives all the boards that above mention!

Posted on Feb 19, 2009

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Posted on Jan 02, 2017

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I have sony kdf-e55a20,turns on pic is great but every minute the screen gose black and then comes back on,green lite stays solid and no red lite,can someone help me with a solution?


I have seen a bad lamp do that but Sony has a Factory bulletin out on a similar problem caused by a defective thermostat which is located on the top of the lamp housing

Nov 10, 2012 | Sony KDF-E55A20 55 in. LCD Television

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My sony grand wega 55 constantly will turn off picture and sound, green lamp light stays green and then after about 30 seconds the picture and sound return, it has the original bulb in the tv and is around...


The LED light "LAMP" indication stay on or flashes in this problems?Yes,the projection lamp is the causes and problems.Change the projection lamp,should solved the problems.

Jan 30, 2011 | Sony KDF-E55A20 55 in. LCD Television

1 Answer

Picture goes out, comes back, sound is fine


I found several instances of this probllen on various forums, and determined that it is the bulb after all. It seemed that a bulb should either work fine or be burnt out, so I thought it might be something else, but so many other customers had this identical problem that I am 99% sure it is the bulb. I found a replacement bulb with housing for about half the price of the Sony Store, so i ordered it. In the meantime, another customer offered a suggestion to try adjusting the Power setting to Power Saving instead of Standard. I tried this last night and the picture worked fine! I will replace the bulb when it arrives and keep the old one on hand in case this happens in the future. Thanks to all of the posters out there!!!

Dec 07, 2009 | Sony KDF-E55A20 55 in. LCD Television

1 Answer

55" TV keeps shutting off automatically


Green light flashes 5 and then red light flashes 6

Sep 14, 2009 | Sony KDF-E55A20 55 in. LCD Television

2 Answers

PICTURE AND SOUND ON AND OFF


How old is this TV and have you replaced its Lamp during that time?
Symptoms shows your Sony KDF-E55A20 TV's lamp is weak and need to be replaced.
Lamp replacement procedure is written in its user manual and if you want online copy, let me know.

Aug 30, 2009 | Sony KDF-E55A20 55 in. LCD Television

1 Answer

TV only stays on for a minute. Screen goes blank for about 2 minutes. Then the picture pops back up on the TV. Model number is KDF-E55A20. Sony Wega HDTV. Made in 08/2006. Please advise....


I think TV on for minute or so, goes to standby and again power up, show picture for minute and again standby.
If above are symptoms then its time to replace lamp in TV.

Let me know if symptoms are different.



May 11, 2009 | Sony Televison & Video

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

Sony KDF-E55A20 Lamp Shut Down with no blinking lights


If you TV is about 2 1/2 yr you probably need a new lamp they only last about 3 yrs. Mine popped one night and now picture comes in for about 1 min and goes out, I ordered a new lamp today they run $199. There is also a know issue with the thermal fuse. The part cost about $3 and if you know a lil about electronic you can replace it yourself

Nov 11, 2007 | Sony KDF-E55A20 55 in. LCD Television

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