Model A1418 / Late 2012 / 2.7 & 2.9 GHz Core i5 or 3.1 GHz Core i7 Processor

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LED Backlight Dead. PSU replacement or Complete Screen Replace?

My backlight just died on my iMac, opened it up and there is is an Electrical burning smell.

I can see Mac Booting up if I use a torch - so guessing its the LED driver board is fried or potentially something in the PSU.

Question 1.

Could this just be the main PSU - does it have a separate feed for the LED Backlight ?

Question 2.

If not the PSU Is there a way to just replace only the faulty board or would I need to replace the whole LCD Panel ?

This happened just 3 months out of warranty arragh !!

Отвечено! View the answer У меня та же проблема

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1 Ответ

Выбранное решение

Turns out it was a Capacitor on the Logic Board that was at fault and thankfully not the whole screen. Capacitor is being replaced

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Hello. I had the same problem as you.

as it solved?

you can tell me condenser was? thanks and regards


I don’t understand the previous comment.

“as it solved?” -> Is it solved?

“you can tell me condenser was?” ->

Can you tell me what capacitor it was?

Anyhow, I have the same questions.


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Steve Francesco будет вечно благодарен.
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