8170 N/B MAINTENANCE
8.10USB Port Test ErrorAn error occurs when a USB I/O device is installed.P13
USBP2_2-
USBP2_2+
U17
ICH2
82801BA
USBP0_0-
USBP0_0+
Mother Board46
16
14
48
30
28
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| U2 |
| 2 USB0VCC5 | |||
+5V | 3 | VIN0 | VCCOUT1 | |||||
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| 4 | VIN1 | VCCOUT0 | 1 USB2VCC5 | |||
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J6 PJ2 |
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| R4 | |||
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| 33k |
46
C1 | R3 |
1000P | 47k |
16USBP2_2-
14USBP2_2+
R502
15K
USB0VCC5
R5
33K
48
C4 | R6 |
1000P | 47K |
30USBP0_0-
28USBP0_0+
R504
15K
L1 |
| D/D Board | |
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120Z/100M |
| C501 |
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| 0.1U | J2 |
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| 1 | P3 |
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| 2 |
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4 | 3 | 3 |
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L2 |
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1 | 2 | 200Z/100M |
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4 |
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| GND |
R503 |
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15K |
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| GND_USB | |
L4 |
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120Z/100M |
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| J6 |
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| C502 | |
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| 0.1U |
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| 1 | P3 |
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| 2 |
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4 | 3 | 3 |
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| L3 |
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1 | 2 | 600Z/100M |
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| 4 |
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| GND |
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R505 |
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15K |
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165