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Model A1419 / Late 2013 / 3.2 & 3.4 GHz Core i5 or 3.5 GHz Core i7 Processor, ID iMac14,2

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difference between lm270wg1(sd)(f1) and lm270wg1(sd)(f2) lcd

or can I use another type, my screen is black but it is not the graphics module. (shining with a strong lamp I see the icons)

Thanks for any solution

Update (10/15/2019)

So, i must replace the whole motherboard (

Block Image

). Is there and layout of the connector (power)?

Answer this question I have this problem too

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Sadly, your logic board does need repairs. Replacing it would be anther option.

If you had opened the system to alter your drives and you encountered this afterwards I would also check the power cable.

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Then your backlight power logic is your problem not the display its self.

The logic around the power connector on the logic board.

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hasselaer will be eternally grateful.
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