27英寸iMac（EMC 2546）逻辑板更换

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iMac Intel 27" EMC 2546 Logic Board Assembly Replacement: crwdns2935265:00crwdnd2935265:01crwdnd2935265:03crwdne2935265:0

iMac Intel 27" EMC 2546 Logic Board Assembly Replacement: crwdns2935265:00crwdnd2935265:02crwdnd2935265:03crwdne2935265:0

iMac Intel 27" EMC 2546 Logic Board Assembly Replacement: crwdns2935265:00crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

Use the flat end of a spudger to disconnect each of the four antenna connectors from the AirPort/Bluetooth card.
Note the original positions for each connector when reconnecting the cables. From left to right on the card, the antennas are connected in the following order:
Leftmost
Top
Upper right
Lower right

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