Troubleshooting and Repair 6-23
PCMCIA Interface Check
USB Port Interface Check
16
Check software
driver settings if OK
Setup PCMCIA driver
Check PCMCIA
Power
Check U32
Pin 7, 24 = +12V
Pin 1, 2, 30 = +5V
Pin 15, 16, 17 = +3V
Check PCMCIA
Control Signal
Check U33
PCI1221 Signal
END
NO
YES
NO
NO
YES
YES
17
Check USB device
H/W & S/W
Replace Device
Check USB Power
Check CN10
(on charger board)
Pin 4 = +5V
Check USB Signal
Check CN10
(on charger board)
Pin 2, 3 signal
END
NO
YES
NO
NO
YES
YES