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Model A1225 / Mid 2007 and Early 2008 / 2.4, 2.8, or 3.06 GHz Core 2 Duo processor

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LCD causing power supply failure

I replaced a power supply that failed. The onboard LED indicators are telling me that everything is functioning until I connect the LCD display power cable. Then the power supply fails and all of the LED’s turn off.

Do I need to replace the display or is there another issue?

From what I’ve read it seems the issue could also be the inverter. I don't know enough about computer hardware to know what the inverter looks like or how to test it.

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1 Answer

The inverter for the CCFL lamps is part of the front display assembly. Its the same layout as seen here: iMac Intel 24" EMC 2111 Inverter Board Replacement. Apple never offered it as a replacement part. But here’s one source iMac 24" Inverter Board - Mid 07/Early 08 - Recycled

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