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50QMA
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N/B Maintenance
N/B Maintenance
8.9 USB Test Error-2
An error occurs when a USB I/O device is installed.
U709
South Bridge
ICH6-M
P11
U501
RT9701-CB
P14
USB Port
J701
2
3
L5
90Z/100M
32
14
1
+VCC_USB_1
L6
90Z/100M
41
23
A3
A2
A1
P14
R502
33K
C505
1000P
VIN
3
+5V
C172
1µ
VOUT0,1
1,5
C504
150µ
R503
47K
+VCC_USB_0
R791
22
4
CE
C503
0.1µ
L502
120Z/100M
C502
0.1µ
L501
120Z/100M
SW_VDD3
From U13
P23
USB_OC0#
USBP0+
USBP0-
USBP1-
USBP1+
GND
2
R179
0
R180
0
R192
0
R186
0
F503
1.1A
U503
RT9701-CB
P14
USB Port
J706
2
3
L10
90Z/100M
23
41
1
+VCC_USB_3
L13
90Z/100M
14
32
A3
A2
A1
P14
R10
33K
C163
1000P
VIN
3
+5V
C178
1µ
VOUT0,1
1,5
C2
150µ
R159
47K
+VCC_USB_2
R792
22
4
CE
C4
0.1µ
L1
120Z/100M
C769
0.1µ
L552
120Z/100M
SW_VDD3
From U13
P23
USB_OC1#
USBP2+
USBP2-
USBP3-
USBP3+
GND
2
R191
0
R190
0
R786
0
R787
0
F504
1.1A
MiTac Secret
Confidential Document