Troubleshooting Power Supply Board Fuse/ - 5
Power Supply Board Fuse
There is a fuse on the AC line on the power supply board (at
F901) that can be replaced if the computer has no power. (Refer
to the “No Power” symptom for a full troubleshooting scenario.)
Before replacing the fuse, you should do a continuity test with an
ohm meter. If the ohm meter registers “0”, the fuse is good. If
the meter registers “infinite,” the fuse should be replaced.
Refer to “Testing for Power” later in this chapter for instruc-
tions on how to check the power supply board fuse. Refer to “Logic
Board” in the Take Apart chapter to locate the fuse on the power
supply board.
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