HP 200 Series Hardware Support Document page 60

52
Troubleshooting and Diagnostics
5. Now recheck the line fuse. If it is okay, the 110 connectorboard is defective. Otherwise, the
power supply or wiring is defective.
6. If the line fuse is okay, check the Vdc across the fan terminals. If it is about 19 V, the fan is
defective. Otherwise, locate the cable between the power supply and the 110 connectorboard
(J2). Check the dc voltages in the cable.
J2
+5V
Ground
+14V
.... --14V
Cable Voltage Check Points
7. If the voltages are okay, the 110 connectorboard is defective. Otherwise, the power supply or
wiring is defective.