Prestigio CAVALIERE 141 Technical & Service Manual page 120

Prestigio Cavaliere 141
8.10 USB Test Error---(2)
Symptom:
An error occurs when a USB I/O device is installed.
Mother Board
P
17
USB_OC1#
U516
USBP3+
South
Bridge
USBP3-
SiS961
USBP1+
USBP1-
P
32
25,27,29
+5V_P
R646 0
RP22 27*4
8 1 D/USBP3+
D/USBP3-
7 2
D/USBP1+
6 3
D/USBP1-
5 4
CP3
47P*4
+5V_P
JS1
3
VOUT0
VIN0
U502
4
J3 J1 VIN1
VOUT1
USB_OC1#
45
43
C511
1000P
26,28,30
+5V_P
58
USBP3+
56
58
USBP3-
56
52
USBP1+
52
USBP1-
50
50
R507 R508 R509
15K 15K 15K
119
Technical Service Manual
Charge Board
L513
120Z/100M
1
5
R505
33K
R506
47K
L519 120Z/100M
L517 120Z/100M
L516 120Z/100M
L514 120Z/100M
L512
R510
120Z/100M
15K
C509
0.1U
C510
0.1U
J504
1
A3
A2
3
2
A1
JO12
JO505
GND GND_USB