No picture only sound

My tv went black only has sound we have replaced the tcon board still nothing. I bought a bulb for it but we cannot figure out how to change it.

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@destiney05 not sure what kind of bulb you bought but your TV is a LCD screen with LED backlighting so there should be no bulb to replace.

It sounds like your TV just does not have a backlight. This could be an issue with your power board. Unplug your set and remove the back. then take a close look at the power board. Do not touch anything yet since the caps may still be charged. Check for leaking, bulging or domed looking capacitors or any other obviously damaged parts. Post some images of your boards with your question so we can see what you see. Use this guide for that.

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