Question about Sony KDF-E55A20 55 in. LCD Television

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Sony grand vega 55" will blink green for three times than red blinking under the power light. nothing comes on no sound, no picture and no fan's are running. Tried to change the bulb, power board A1109407A, light ballast. no luck. What else I can try to fix this? Model KDFE55A20, Serial # 9034651 Thanks for trying.

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  • Anonymous Apr 01, 2014

    sony KDS-50A2000 power light blinks three times

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Your problem is your thermal fuse.It is located around the bottom of the compartment that houses the lamp. You will have to remove the lamp and take the bottom back panel off. Then you will have to remove the fan. I ordered the thermal fuse so I would know what I was looking for when I started to replace it. If you take your time and are patient enough you can fix it yourself. I fixed mine and it's working great.GOOD LUCK!!!

Posted on Jun 23, 2009

  • kdchaney Dec 12, 2010

    i own a sony wega e55a20 tv.. it powers on all is great.. then in 10 or so seconds it shuts down... no sound no pic.. then in 5 or so sec.. it comes back on on its own.. any idea;s on if its the thermal fuse or lamp ?
    thanks alot for everyones help on this

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It could be the thermal fuse. Especially with no fan running the TV might be overheating. I bought the part online for $3.95. ONce you take the back panel off, you'll see exactly where it goes.

Posted on Jun 06, 2009

  • kdchaney Dec 12, 2010

    i own a sony wega e55a20 tv.. it powers on all is great.. then in 10 or so seconds it shuts down... no sound no pic.. then in 5 or so sec.. it comes back on on its own.. any idea;s on if its the thermal fuse or lamp ?
    thanks alot for everyones help on this

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