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8317
8317
N/B Maintenance
N/B Maintenance
8.9 USB Test Error(3)
An error occurs when a USB I/O device is installed.
Re-test
OK?
Test
OK?
USB Test Error
Check if the USB device is installed
properly. (Including charge board.)
No
Yes
No
Yes
Check the following parts for cold solder or one of the following
parts on the mother-board may be defective, use an oscilloscope
to check the following signal or replace the parts one at a time
and test after each replacement.
Signals:
Replace another known good charge
board or good USB device.
Board-level
Troubleshooting
Replace the fault charge
board or USB device.
+5V
USBOC0#
D/USBP[0..5]+
USBCON_P[0..5]+
D/USBP [0:5] –
USBCON_P[0..5]-
USBOC1#
USBOC2#
Parts:
U1014
J1002
J1004
J1010
FB10
FB11
FB12
FB18
FB45
FB1053
F1002
F1003
F1008
Correct it.
Replace
Motherboard
RP2
RP3
RP9
L5
L10
L15
L16
L17
L18
C1018
C1024
C1154