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

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KDF-E60A20 Hi, I have been fighting this TV for a week now. It shut down showinging 4 blinks. I have replaced the thermal fuse, the lamp and cleaned three of the four fans. I can't figure out how to get to fan 178708111. Also on this TV, the H4 board is not located where the service manual shows? The fans were dusty and the fan178706511 was really dusty. The screne still shows fan problem? Ken

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For free sony support go the link choose the produce and chat for free
http://esupport.sony.com/US/perl/support-contacts.pl

Thanks for using fixya. Hope this solution may have helped you.

Posted on Jun 17, 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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I'm having the same problem with my tv (wega sony kdf e60a20) just like a few other people here, with the sensor cutoff fuse, how do you replace this item?


If you mean the thermal fuse, the set should have a red blink code of 5 blinks. The thermal fuse is way inside on the frame of the lamp housing but can be tested with rear cover removed.

If you have one bad the red blinking light will have to display some code.

Dec 22, 2012 | Projection Televisions

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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

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1 Answer

Solid red light on sony grand wega kdf-e60a20


it is possible the issue is in the audio circuit===seen a couple with a shorted audio output that did that.

Mar 12, 2012 | Sony Grand WEGA KF60WE610 60" Rear...

1 Answer

I have a sony KDF-50we655 TV first the lamp when out, then I replaced that, now it will just turn off then on and this will continue till it stays off


If the stand by light is blinking 6 times, it is the "Thermal Fuse", cost is about $4.95 shipping could be $15.00, if you take it to a technician you will pay around $300.00. It is easy to do it but depends how patient and skilled you are. The thermal fuse burn out when your tv ventilation is defective due obstruction on the vent and ventilator, due dust, hair etc. Make sure you clean very well everything inside and out when replacing the thermal fuse. Please check with your manual about description depending of the light blinking and times blinking.

Apr 13, 2011 | Sony Grand WEGA KDF-50WE655 50" Rear...

1 Answer

Tv will come on but shuts itself back off


Sounds like it just needs a new lamp.
The way to tell is the lights in front:
green blinking as TV reboots = bad lamp
red three blinks = door switch
red four blinks = bad fan
6 or 9 blinks = bad thermal fuse

Dec 17, 2010 | Sony Grand WEGA KDF-60XS955 60" Rear...

1 Answer

Please help-question about sony optical blocks


Talk to Sony about the blue blob issue, they may still replace the optical block for free.

If not, fix the blinking light TV.

Blink Codes
3X - Lamp cover not installed correctly, usually after lamp change, or cover detect switch is bad.
4X - Check fans (one or more failed to pass RPM test during power on diagnostics)
5X - Lamp ballast (power supply)
6X - Usually the thermal fuse - usually from inadequate air flow (fans dusty)

All other codes usually require a trained technician to diagnose and repair.

Oct 29, 2008 | Sony Grand WEGA KDF-60XS955 60" Rear...

2 Answers

Sony kdf e60a20 - Light is blinking red, blew out the dust on the screens of lampbulb, worked right for a day and a half then started shutting down again, do I need a bulb or the thermal fuse? And if I do...


there could be a few issues.here are a list of things that could go wrong plus part numbers you wanted.


pn# 191002393 thermal fuse

pn# a1085447abarc bulb without housing cheaper

clean fans
other things that cause this:
dmd board or light engine my guess would be bulb and thermal fuse. thanks doctor video

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1 Answer

60" Sony KDF-E60A20 - Red Light Blinks 6 times


The problem you have is a failed thermal sensor. Depending on how tech savvy you are you can replace it.They have changed the way the thermal sensor looks but it isnt too bad too put in. Any repair shop should also be able to do this for you.

Part number is 1-910-006-44 Themal Fuse Sony Part.

Feb 04, 2008 | Sony Grand WEGA KDF-60XBR950 60" Rear...

1 Answer

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.

Oct 08, 2007 | Sony Grand WEGA KDF-60XS955 60" Rear...

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