MiTAC 8050 Servicehandbuch
8050
8050
N/B Maintenance
N/B Maintenance
110
U715
ICH4_M
C701
R701
L701
L702
C713
L708
USB_OC1#
USB_OC0#
+VCC_USB_0
J701
+VCC_USB_1
1
A1
USBCLK_ICH
A4
4
1
+
+
R706
33K
33K
150U
120Z/100M
+5VS
VOUT1
VIN0
GN
D
VOUT0
3
4
1
5
2
U705
VIN1
C709
1U
150U
33K
+5VS
VIN0
GN
D
VOUT0
3
4
1
5
2
U701
VIN1
C703
1U
120Z/100M
120Z/100M
USB P
ort Connector
U712
CLK-GEN
39
+VCC_USB_2
USB/4PX2/DIP
J706
4
GND1
GND2
USB P
ort Connector
USB/4PX1
3
4
1
2
L2
3
4
1
2
L5
3
4
1
2
L22
A2
A3
2
3
2
3
USBP0+
USBP0-
USBP1+
USBP1-
USBP2+
USBP2-
P15
P14
P15
P11
P15
P15
VOUT1
R877
90Z/100M
90Z/100M
90Z/100M
8.7 USB Port Test Error
33
An error occurs when a USB I/O device is installed.