Question about Sony KDF-E55A20 55 in. LCD Television

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Red light blinking 4 times in a row with no picture

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Most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you the flashing red light codes, circuit diagrams, test points, and part# lists. Usually, cost under $20.

I hope I shed some light on the subject for you.

Posted on Jul 01, 2009

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Posted on Jan 02, 2017

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When I turn on the tv it beeps 4 times then the power button light will flash 3 times in a row but the power will not come on it just keeps flashing 3 times


power will not come on Linda, could be bad capacitors or cracked/bad solder joint,bad main logic board.
Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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Talli,
The number of blinks, called error codes, is crucial in determining what's wrong with your unit.. In this case the color wheel is faulty and needs to be replaced. In that unit the color wheel assembly is Panasonic p/n# TXFEN01RP4S and is available from many sources for about $390.00 plus shipping.
There are some companies like Tri-State-Module that have taken-up rebuilding color wheel assemblies but I can't be certain that this is one of the brand/models they support. If you can have it rebuilt you might save about half the price of a new one...
For your edification in the future here are the blink codes for your Tv:
1 | Load Shortage
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4 | Main 3.3v
5 | Lamp Disable
6 | Gc3fm-Iic
7 | Gc3fs-Iic
8 | Gc3i-Iic
9 | Color Wheel Stop

If I can help any other way just let me know...
Good Luck!
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