82
Diagrams
Check that
Computer is
Plugged in
Check Line
Voltage Switch
for Correct Setting
Check Line
Fuse Good and
Correct Value
Operate
Computer.
Turn off.
Check Fuse.
Check Vdc
at Fan
Terminals
Connectorboard
Unplug ac Cable
from Power Supply
Defective
Fan
Unplug I/O
Connectorboard
from Power
Supply (J2)
Replace Fuse.
Operate Computer.
Defective I/O
Connectorboard
Check Vdc
in Cable J2
Defective
Power Supply
Turn Computer
Off. Check Fuse.
Defective
Power Supply
or Wiring
Figure 12-4. Dead Unit Troubleshooting Flowchart
Defective
ac Cable