Apple IMAC User Manual - Page 53
Power Supply Board Fuse
UPC - 067540444435
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Basics Power Supply Board Fuse - 3 7 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 face the back side of the board). Instructions for how to test the fuse are included in the "Testing for Power" section of the Troubleshooting chapter.
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Basics
Power Supply Board Fuse - 37
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 face the
back side of the board).
Instructions for how to test the fuse
are included in the “Testing for Power” section of the
Troubleshooting chapter.