Question about Sony Grand WEGA KDF-42WE655 42" Rear Projection HDTV

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No pictuer no sound

I have a sony grand wega model no. kdf-e55a20 I have no pictuer or sound the power light flashes red 6 times in a row then pauses. I think it is the thermal fuse needing replaced. if so wher would it be located withen the tv.

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Your user manual will have the flashing light code structure indicating the fault that caused the shutdown there is no thermal fuse in your TV

projection TV`s have integrated protection circuits
built into the circuit design, these circuits turn the
power off automatically when a fault has bin detected this
is in order to prevent a more costly repair, these circuits monitor
power supply , vertical and horizontal deflection
over voltage, or x ray, and also faults with convergence circuits.
Diagnosing these faults require test equipment and a good knowledge of
electronic repair techniques, and also a repair manual.

Posted on Apr 29, 2010

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Why does my Sony KDF E55A20 LCD projection television stopped. It flashes green 3 times at power up and then continuously flashes red in 6 flash intervals


The problem is sort of complex. This could be the main power supply, or the high voltage supply. There is also a chance there is a short on one of the boards and the main supply is tripping to protection.

This is not something you can fix at home. In consideration of the service cost, and most likely the circuit boards and many of the parts will no longer be available, you should consider a new set!

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Dec 26, 2010 | Sony Grand WEGA KDF-55XS955 55" Rear...

1 Answer

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.

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sounds like your lamp is getting weak, you need to replace it.

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Hi,
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.
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1 Answer

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Hopefully it's still under warranty or you purchased an extended warranty. My concern is that it is either a power supply issue or a lamp ballast issue. If it has overheating in the past then there may be other issues going on.
Would suggest bringing it into a good trusted service shop.
Sony KDF-E55A20

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How old is this TV and did you replaced lamp recently?
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