Why After starting tv taking 10to 15 min for on?

Why taking time after starting 10 to 15 min for on

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@dattaram that is usually caused by bad power transistors on either the mainboard or the power board. We would need to know the exact model number for you TV and what you have checked. Sometimes even a simple reset where you disconnect everything from your TV, then unplug the TV and hold the power button depressed for about a minute , might work. Do you connect your TV through a network? If so check that as well.

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Could you take the back off your TV and upload pictures of the circuit boards? Adding images to an existing question

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