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If your TCL 50S421 or 55S421 TV powers on but nothing happens, or it won't turn on at all, this power supply board might be the fix.

It's the genuine TCL part, number 08-L12NLA2-PW200AA.

This one is open box, meaning it was pulled from a brand new TV that had a damaged housing.

So the board itself is in perfect working order.

A solid, cost-effective way to resurrect your TV without buying a whole new set.



4 out of 5