8170 N/B MAINTENANCE
8.10USB Port Test Error
An error occurs when a USB I/O device is installed.
USB Test Error
Check if the USB device is installed properly. (Including charge board.)
Test | Yes | |
Correct it | ||
OK? | ||
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No |
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Replace another known good charge board or good USB device.
Yes |
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Correct it | ||||||
OK? |
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| No |
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Replace
Motherboard
Troubleshooting
Check the following parts for cold solder or one of the following parts on the
Parts: |
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| Signals: |
U17 | J6 |
| VCC5 |
PJ2 | U2 |
| USBVCC5 |
R4 | R3 |
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C1 | C502 |
| |
| USBP2_2- | ||
R[502:505] |
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| USBP2_2+ | |
L[1:4] | R5 |
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R6 | C4 |
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J2 | J6 |
| USBP0_0- |
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| USBP0_0+ |
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