Compal ACY25 series - Printer Port Troubleshooting

Printer Port Troubleshooting
Perform external keyboard check
(Procedure 1)
START
Does the external
keyboard function ok?
Perform diagnostic check
(Procedure 2)
Was a keyboard
problem detected?
Perform connector and
replacement check
(Procedure 3)
Replace system board
END
Yes
No
Keyboard is not
faulty. Continue
troubleshooting-
refer to Figure 2.1
No
Yes
Figure 6-8 Printer port troubleshooting process
Chapter
6-19