iMac 27" EMC 2546 changing a component on the logic board

Hi

A have a big problem with my imac, I have to change an electrical component but I don't know the reference ? If somebody know or have an electric laptop schema please ?

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Thanks

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@feya what is the 820-XXXX number on your board?

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Hello oldturkey03

I have only found this reference CJ3B 31PlQMB0070

thx

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And this reference C023113003FF651AK

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Feya, I have this exact same problem!! This has to be a design defect. Same resistor blew out on my board and my screen won't come up. Did you find out what the value of the resistor is? Thanks in advance!

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