本指南有最近更改,您可查看未经巡查的最新版本。
简介
Use this guide to replace the power supply.
你所需要的
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在这个步骤中使用的工具:iMac Intel 21.5" Cardboard Service Wedge$4.99
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Before beginning any work on your iMac: Unplug the computer and press and hold the power button for ten seconds to discharge the power supply's capacitors.
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在这个步骤中使用的工具:Plastic Cards$2.99
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Starting from the top right corner of the iMac, wedge a plastic card between the display and frame.
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While holding the display up with one hand, use the other hand to unplug the display power cable.
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Remove the following five Phillips screws holding the lower support bracket in place:
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Four 3.2 mm screws
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One 1.7 mm screw
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Remove the following screws securing the hard drive bracket to the rear enclosure:
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Two 21 mm T10 Torx screws from the left-hand hard drive bracket.
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One 9 mm T10 Torx screw.
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One 27 mm T10 Torx screw.
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Use the tip of a spudger to push each side of the power button cable connector and gently walk it out of its socket.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
13等其他人完成本指南。
一条评论
Great guide. My question is this however, How does one test this PSU before they replace it? I can't seem to find a PSU pinout for this particular unit (661-7111)