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27" display with 2560 x 1440 pixels resolution Thunderbolt & MagSafe cable attachments

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Is the 2009 iMac lcd display the same as the Thunderbolt Display?

I currently have the late 2011 Apple Thunderbolt Display 27 inch. The screen is black but is detected on my MacBook Pro. I took it to a Apple technicians and reviewed diagnostics. They told me that the lcd display is not good anymore. And it was gonna be around 800 dollars to replace it since it was Out of warranty. I read on ifixit that the Thunderbolt Display has the same display as the 2009 27” iMac. So I was wondering if can replace my Thunderbolt Display using the 2009 iMac display.

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Before you spend the money on a display make sure its not a backlight issue. Take a flashlight held against the display at a sharp angle are you able to see the faint image of your desktop icons?

If you do, the issue is the backlight circuit within the displays logic board. This has been a common issue in many of these. Checkout the IFIXIT Teardown here: Apple Thunderbolt Display Teardown jump down to Step12 - Supertex HV9982 3-channel switch-mode LED driver IC

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Where can I get a replacement for the backlight circuit?


If it's the chip Supertax HV9982 3-channel switch-mode LED driver IC That can be bought online. I would recommend you find someone local that has the needed micro soldering skills and tools to fix your logic board. This is not something I even deal with anyone as I don't have the fine dexterity in my hands any more.


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