HP 1660E Series Service Manual page 149

?
UtART 1
DOES
PS2 TEST
PASS
i YES
(ONNECT KNOWN GOOD
EXTERNAL KEYBOARD
OR MOUSE TO EXTERNAL
KEYBOARD CONNECTOR
DOES
KEYBOARD OR
MOUSE CURSOR
APPEAR'
NO
YES
REPLACE CPU BOARD
DOES
KEYBOARD OR
MOUSE OPERATE.
PROPEl'lL y7
NO
YES
aalS
PS2 rr:.ST PASS?
NO
Troubleshooting
To use the flowcharts
UIART 11
YES . ,
I
,
Troubleshooting Flowchartll
5-13