Sony Grand WEGA KDF55E2000 55" Projection HDTV Logo
Posted on May 27, 2008
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Replacing Thermal Fuse in Sony Grand Wega KDF-E55A20

I had the same problem of the power light blinking red six times and saw how you fixed the problem by replacing the thermal fuse.

I have now ordered the new thermal fuse from Sony and in preperation, have removed the bulb through the front and the rear access panel and fan.

It looks to me that to remove the old thermal fuse, I need to remove two screws. But there is only about an inch or so clearance above the two screws, so I do not see how I will be able to remove the old one. Do I need to remove the old one? If so, how were you able to remove the old one?

  • Anonymous Jan 13, 2009

    how to install thermal fuse

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Blinking red power light 6 times. Tv picture goes on and off. Then the red lamp light came on? Now nothing.

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  • Posted on Oct 19, 2008
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The PROPER way to replace the thermal fuse is to remove the optical block first. There are at least two recessed screws holding the block in place. BE VERY CAREFUL removing the block as it is very easy to tear/rip wires when doing so. I cannot emphasize enough NOT TO JUST THROW THE NEW THERMAL FUSE INSIDE THE CABINET!!!! The thermal fuse is a safety device mounted near the lamp to prevent overheating. Those that choose to just let the fuse "sit out in the open air" are risking greater failures and the possibility of fire.

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Related Questions:

4helpful
1answer

My Sony Grand Wega KDF-E55A20 will not turn on with the remote or manually. The red light flashes 6 times then off.

6 times is the lamp thermal fuse or lamp. its a thermal that sits on the bottom of the lamp area.
remove the fan and you will see the siler disk with black base cut the wires and slide the new one in on the side secure it on the old thermal and your fixed.
3helpful
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The power red light keeps flashing six times

The blink code means that something on the board is over current/over voltage. It could be an overload of the +5 line (A/B boards) or the +5 line is shorted.

The TV needs to be opened up and the boards checked. You may be lucky and only need a thermal fuse. Also check your bulb.


I hope this helps.

Cindy Wells
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Sony Wega Tv powers on w/ green power light and

need to know how many time the red light is blinking there should be a pause. 4 blinks is a fan, 3 blinks is the lamp door is not closed 6 blinks is thermal sensor.
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I have Sony TV model KDF-42WE655 which stopped working. No display and when powered on, the green light comes on and blinks approx 50 times and turn red (blinking red). How and what do I need to buy to fix...

Its not the green light that you should be count but the red. How many times is it blinking? Here is a quick update of the errors that are most common.

3x - Lamp switch not engaged
4x - Fans issue
5x - Lamp
6x - Thermal fuse
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Does not turn on.

The Six blinks mean that the thermal fuse needs to be changed.
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SONY KDF-E55A20

No it sounds like the thermal fuse.
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Did you get this solved yet? Six blinks usuall meand thermal fuse. I can look it up if you still need help.
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Sony Grand WEGA KDF-60XS955

the g1 board is your issue. 6 blinks means there is no or low b+ coming from the g1 board.
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Power button

Sorry, I have to say it. If the bulb (LED) is shot it would have to be zero flashes :-) It's my weird sense of humour. After that I hope you'll forgive me and someone can give you some real help.
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