HP 200 Series Hardware Support Document page 89

Refer to
Dead Unit
Check Fuse
F1 on I/O
Connectorboard
Disconnect Front
Panel LED.
Check Vdc on
LED Terminal.
Unplug I/O
Connectorboard
from Power
Supply (J2)
Yes
Start
Disconnect
Processor Board.
Replace Fuse.
Operate
Computer.
Check Fuse.
Defective
LED
Check +5V
in Cable J2
(Pin 1)
Refer to
Live Unit
Procedure
Defective
Fan
Defective
Processor
Board
Defective I/O
Connectorboard
Yes
No
Determine
Whether Problem
is Confined to
External Cards
Disconnect
Fan. Check
Vdc on Fan
Terminal.
Unplug I/O
Connectorboard
from Power
Supply (J2)
Check -14V
in Cable J2
(Pin 8)
Defective
Power
Supply
Figure 12-3. Initial Troubleshooting Flowchart
Diagrams
81
Check Fuses
F2-4 on I/O
Connectorboard
Refer to
Boot ROM
Error Codes