Basics Power Supply Board Fuse - 40
Power Supply Board Fuse
There is a fuse on the AC line on the iMac power supply
board. The fuse is located at F901 (near the bottom right
corner of the installed power supply board as you are facing
the back side of the board). This fuse is an orderable service
part and can be replaced by Service Providers.
The fuse is included in the “No Power” section of the
Troubleshooting chapter as a module to check if power
problems occur in the system. Instructions for how to test
the fuse are included in the “Testing for Power” section of
the Troubleshooting chapter.
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