Question about Sony FD Trinitron WEGA KV-36FS120 36" TV

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TV won't turn on at all. It doesn't click at all to turn on and we checked the power cord, the plug, and the outlet. All seem to be fine. It worked just fine the night before and even if the tube went out, the power button should still work, you would think.

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Hi,

You are correct, the switch would still click even if something major had failed inside the TV. There is a small microswitch inside the TV directly behind the on/off button. The microswitch can break or get stuck and there is usually no way of fixing it without taking the back off the TV. You could try repeatedly pressing the on/off switch rapidly as this can (very) occasionally unstick it, but it's probably broken.

This isn't generally a user replaceable part as the actual switch is soldered to the PCB. I would take it to a TV repair shop, but if you are planning to remove the back of the TV, make sure it's unplugged and don't open it until the power has been off for at least half an hour as you can still get a considerable residual current shock!

Hope this helps.

Regards,
BElectric

Posted on Nov 15, 2010

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