Question about Sony Grand WEGA KDF-55WF655 36" Rear Projection HDTV

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Sony wega rear projection 50" won't turn on

I took off rear panel looking for any blown fuses but could not find any. Is it the power supply?

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Re: sony wega rear projection 50" won't turn on

Replaced the "The Thermal Fuse" part # A-1137954-A.
good job!

Posted on Jan 28, 2008

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The red light keeps blinking and tv won't turn the fan won't come on either


power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like, to buy a whole refurbish power supply board for the replacement.

I hope this will help out in solving the problem....

Jun 19, 2011 | Sony Grand WEGA KF50WE610 50" Rear...

2 Answers

I turn the tv on the green light blinks 5 times and the red light blink 6 times

this isn't a solution, I have the same issue. Mine started doing the 6 red blinks yesterday. How do I fix it? I've changed the bulb before...

Jun 18, 2010 | Sony Grand WEGA KF50WE610 50" Rear...

1 Answer

My sony tv powers its self off once i turn it on

if it turn off after sec then go to red light then it is common power supply board, but you need to check all your board fusees then look at all capacitors if it blown then replace it with the same type but when the board out the TV and be very careful for power , also get another opinion. good luck

good luck

Apr 28, 2010 | Sony Grand WEGA KDF-55XS955 55" Rear...

1 Answer

Sony Grand Wega KF-WE50, no LED lights, wont turn on, fuse is OK ?

Try plugging into another known good wall outlet. if still not standby light then the power board needs replaced.

Mar 30, 2010 | Sony Grand WEGA KF50WE610 50" Rear...

2 Answers

My sony 50" wega just quit. No picture , no sound , no nothing ?

If you see standby red light blinking on Tv front with 3 seconds interval then count its blinks from pause to pause and let me know, its an error code.
And if TV does not even show standby light then check fuse in power supply that would be blew off for some reason, replace it.
Still problem? let me know with exact model number of your Sony TV.

Jan 02, 2010 | Sony Grand WEGA KDF-50WE655 50" Rear...

1 Answer

Sony wega kdf-e50a10 hit by lightning now it will not turn

follow the power cord and just check the input fuse if you've got a surge protector on it it may have just blown the fuse from a spike. It doesn't hurt to try. This fuse is inside the tv.

Sep 15, 2009 | Sony Grand WEGA KF50WE610 50" Rear...

1 Answer

Sony wega tv that turns on and automatically turns off

6 flashes is a thermal fuse blown in the lamp chamber. If you are not familure with tv repair then you might want to leave it to a pro. but to get the right part number for the kit i need the model you have. If you want the kit part number post back.

Sep 02, 2009 | Sony Grand WEGA KDF-50WE655 50" Rear...

1 Answer

Sony WEGA 50 turning off every 30 seconds

The protection circuit is cutting in and out and it is really just a high current detection system.
This is very typical of loose connections and cold solder joints which are easily diagnosed by giving the set a whack with your hand in a few strategic places.
Also check the fuse on the power supply board .

Mar 11, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

6 red blinks wont turn on sony rear lcd projection

thermal fuse. it sits below the lamp and has popped. replace with new fuse or just short (eliminating fire protection) let me know if you need instructions.

Dec 09, 2008 | Sony Grand WEGA KDF-50WE655 50" Rear...

1 Answer

Sony Trinitron WEGA won't turn on

6 blink error is either a power supply (g2 board) or a blown thermal fuse. if it came back on, its not the thermal fuse so you would need a new g2 board. if it blinks 5 times, you need a new ballast (lamp driver)

Dec 07, 2008 | Sony Grand WEGA KF50WE610 50" Rear...

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