Question about Sony Grand WEGA KDF55E2000 55" Projection HDTV

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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?

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  • 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.

Posted on Jan 19, 2010

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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.

Posted on Oct 19, 2008

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1 Answer

Why is power application erratic?


That is a Thermal Fuse. IT is behind the area where the lamp is. How to change the thermal fuse on sony kdf e60a20

This video is for a different model but its the same idea as yours.

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Replaced lamp on sony kdf 50e2000 won't turn on and blinks red, six times


Here is an answer from another site on the internet ("just ask"):

"Here is the repair tip from the Sony database.

SONY : kdf-42e2000, kdf-50e2000, kdf-55e2000,la-4 chassis : 6 blinks no main relay, replace thermal fuse on lamp housing."
Read more: sony rear projectiontv kdf-50e-2000 no power but 6 beams of - JustAnswer http://www.justanswer.com/tv-repair/1lgjk-sony-rear-projectiontv-kdf-50e-2000-no-power-beams.html#ixzz1qXESi8L2

Mar 29, 2012 | Sony KDF-50E2000 50" HDTV

2 Answers

My sony won't turn on. when I use the remote to turn on it flashes green six times, I hear a click and then it flashes red six time.


six times means the thermal fuse on top of the lamp tripped. Replace it and give it a good cleaning and it should work.

Feb 20, 2011 | Sony Grand WEGA KF42WE610 42" Rear...

1 Answer

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

Apr 26, 2010 | Sony Grand WEGA KDF-60XBR950 60" Rear...

2 Answers

Kds60a2000 tv won't switch on red light blinks 6 times if i turn tv on the green light blinks then it goes back to red light this is the power light


Have you tried putting in a new bulb for the screen. Our TV did that and it was the bulb needed replacing. Ours is on the side towards the back. You can order it online, its cheaper than paying a repair man to do it. The first time we did it cost us 500 dollars and then the second time it happened I ordered off ebay for only 170 dollars. Big difference Huh ;) Good Luck

Nov 12, 2009 | Sony KDS-60A2000 60" HDTV

1 Answer

Does not turn on.


The Six blinks mean that the thermal fuse needs to be changed.

Jul 07, 2009 | Sony Grand WEGA KDF-60WF655 60" Rear...

1 Answer

No picture no sound


6 blinks = power supply error
on this model, a thermal fuse under the lamp will blow for no reason causing this issue. it can be fixed with a new thermal fuse or just a wire will bypass the fuse. remember if you bypass then you've eliminated your fire safegard. the fuse is usually big and metal and will check open with an ohm meter. to get it out, you have to pull the engine and remove the tray piece its attached to. complicated procedure, let me know if you need it. the newer type fuse (non-defective)is like $15 from sony i believe. if you complain to sony they may cover the cost as this is happening to many tvs

Dec 02, 2008 | Sony Grand WEGA KDF-60XS955 60" Rear...

2 Answers

Six (6) blinks on the Timer/Standby led


6 blinks means lamp thermal fuse blowing, replace thermal fuse.

See here

Aug 30, 2008 | Sony KP-57WS500 57" Rear Projection...

2 Answers

Standby light blinks for 6 times


Did you get this solved yet? Six blinks usuall meand thermal fuse. I can look it up if you still need help.

Apr 08, 2008 | Sony Grand WEGA KDF-55WF655 36" Rear...

3 Answers

Standby light blinks 6 times


i replaced the thermal fuse on my kdf-55wf655 and still have the 6 blinking lights,,any other ideas.

Nov 03, 2007 | Sony Grand WEGA KDF-55WF655 36" Rear...

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