Mitac secret confidential document, 9 usb test error-2, An error occurs when a usb i/o device is installed – MiTAC 8050QMA User Manual

Page 129: U709 south bridge ich6-m, J701, J706

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128

80

80

50QMA

50QMA

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

P

11

U501

RT9701-CB

P

14

USB P

ort

J701

2

3

L5

90Z/100M

3

2

1

4

1

+VCC_USB_1

L6

90Z/100M

4

1

2

3

A3

A2

A1

P

14

R502

33K

C505

1000P

VIN

3

+5V

C172

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

P

23

USB_OC0#

USBP0+

USBP0-

USBP1-

USBP1+

GND

2

R179

0

R180

0

R192

0

R186

0

F503
1.1A

U503

RT9701-CB

P

14

USB P

ort

J706

2

3

L10

90Z/100M

2

3

4

1

1

+VCC_USB_3

L13

90Z/100M

1

4

3

2

A3

A2

A1

P

14

R10
33K

C163

1000P

VIN

3

+5V

C178

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

P

23

USB_OC1#

USBP2+

USBP2-

USBP3-

USBP3+

GND

2

R191

0

R190

0

R786

0

R787

0

F504
1.1A

MiTac Secret

Confidential Document

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