Why does my tv go off after few minutes I turned it on

When I turn on my tv, it shows a glitching multi color visual and it normalize's, then fews seconds more the tv goes blank,

All these happens in about two minutes

Please any help on this?

Ответ на этот вопрос У меня та же проблема

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It sometimes come up for a while and gone off then attempt to come up with reptiting clicking sound from the relay and the standby red light

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@idahosabar55362 can you explain this "glitching multi color visual and it normalize's" a bit better. The term glitching is not very descriptive to me :-) Your TV is a LG Plasma TV 42PC7RV-TA? Can you post some images of what your screen shows when it is glitching? Does the power LED give you a blink pattern?Adding images to an existing question

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