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Any help? MacBook Pro 5.1 unibody late 2008 , 1286 Purchased a used logic board and all works except backlight on lcd screen. Person who sold board said this board came from a MacBook Pro 5.1 820-2330-a logic board, number is the same as mine. Still no back light, also my old board did not have an inverter attached, but he says his did. Could this be the reason for the lcd not working Any help would be great! Roger Old turkey here are the photos of the two different logic boards I was talking about. But these logic boards have the same part number 823-2330-A. Please note on one board the connector in the middle, what is it for? Perhaps the cable for the inverter? Thanks! Roger
Roger, yes absolutely. If the board that you replaced used an inverter, it is a different board. You will need a board that has the LED driver circuit on it. Those boards are not interchangeable.
