Usb Board - Dell 1907FPc Service Manual

6.3 USB Board

VBUS0
R701 U701
100K 1/16W USB2504
Upstream
USBDP0
52
VBUS_DET
USBDN0
R702
C701 100K 1/16W
0.1uF/16V
8/30 Downstream 1
USBDP1
USBDN1
46
/OC1
OCS1_N PRTPWR1
GR1/NON_REM0
AM1/GANG_EN
Downstream 2
USBDP2
USBDN2
44
/OC2 OCS2_N PRTPWR2
GR2/NON_REM1
AM2/MTT_DIS
Downstream 3
USBDP3
USBDN3
40
/OC3
OCS3_N PRTPWR3
GR3/PRT_DIS0
AM3
Downstream 4
USBDP4
USBDN4
38
/OC4
OCS4_N PRTPWR4
GR4/PRT_DIS1
VCC3.3V
VCC3.3V
AM4/LED_EN
R703 EEPROM
SDA/SMBDATA
R742
SCL/SMBCLK
Common
49
RESET_N RBIAS
C702 R704 51
SELF_PWR
10K 1/16W
R705 47
CLKIN_EN
VCC3.3V 390 1/16W
VDD18
23
PRTPWR_POL VDD18
VDD18
R706 62
ATEST/REG_EN
R718 10K 1/16W
36
CFG_SEL0
NC R707 50
CFG_SEL1
10K 1/16W 59
CFG_SEL2
31
TEST0 VDDA18PLL
48
TEST1
VDDA33PLL
17
NC1
18
NC2 VDD33
32
NC3
33
NC4 VDDA
56
NC5 VDDA
VDDA
58
XTAL1/CLKIN
C703 22pF R708
VSS
X701
VSS
24MHz
VSS
VSS
C704 22pF
VSS
57
XTAL2 VSS
VSS
VSS
USB5V
F701
5V 0.75A
t
VBUS1A
R710
10K 1/16W
/OC1
2
DP0
3 R711
DM0
15K 1/16W
USB5V
F702
6
DP1 5V 0.75A
5 t
DM1
PRTPWR1 VBUS2A
45
27
R712
8/18
10K 1/16W
26 R746
220 1/16W
/OC2
8 R713
DP2
15K 1/16W
9
DM2
43 PRTPWR2
8/18
USB5V
25 R747
VCC3.3V
220 1/16W 8/18
24 R755
10K 1/16W F703
5V 0.75A
12 t
DP3
11 VBUS3A
DM3
39 PRTPWR3 R714
10K 1/16W
22
/OC3
21
R715
15K 1/16W
14
DP4
15
DM4
37 PRTPWR4 USB5V
20 R749 8/18
220 1/16W F704
SDA
5V 0.75A
19 SCL
t
R740 R741
VBUS4A
34
35
R716
10K 1/16W
63 R709
11.3K 1/16W
/OC4
R709 close to
pin 63
R717
30 15K 1/16W
42
54 C712
4.7uF/6.3V
C709 C710 C711
0.01uF 0.01uF 0.01uF
C712 close to
1.8V
60
61
FB706 C714
4.7uF/6.3V
28 1 2 C713
VCC3.3V
600 OHM 0.01uF
1
C714
7 C743
8/31
close
13 0.1uF/16V
C715
to
0.1uF/16V
1.8V
綼 U701
4
10
16 R745
29 C716 C717 C719 C718
41 470 1/16W 0.01uF 0.01uF 0.1uF/16V 0.01uF
53
55
64
FB708
120 OHM
VBUS1
+12V
FB701 USB Switch
1 2 FB707
To scalar GPO-2 #57
120 OHM
1 2
C705 120 OHM
+
100uF/16V C745
C721 0.1uF/16V
+
0.1uF/16V C733
0.1uF/16V
0.1uF/16V
VBUS2
FB702
1 2
120 OHM
C706
+
100uF/16V
C722
0.1uF/16V
VBUS3
FB703
1 2
120 OHM
C707
+
100uF/16V
C723
0.1uF/16V
USB5V VCC3.3V
U703
3 2
VI VO
C728
+
C727 10uF/16V
0.1uF/16V
VBUS4
FB704
1 2
120 OHM
VCC3.3V
C708
+
100uF/16V U704
C724 AIC1526-0CS
0.1uF/16V
PRTPWR4
R720 1 7
CTLA IN
NC
/OC4 2 8
FLGA OUTA
R722 PRTPWR3 4 5
CTLB OUTB
NC
/OC3 3 6
FLGB GND
U705
AIC1526-0CS
R724 PRTPWR2 1 7
CTLA IN
NC
/OC2
2 8
FLGA OUTA
R726 PRTPWR1 4 5
CTLB OUTB
NC
/OC1
3 6
FLGB GND
FB705
1 2
VCC3.3V
C720 600 OHM
4.7uF/6.3V
C744
0.1uF/16V
綼 U701
C732 VCC3.3V
nc
U706
1 8
A0 VCC
2 7
A1 WP
SCL
3 6
A2 SCL
4 5
GND SDA
M24C02WMN6
UGND
37
U702
AP1510
1 8
FB VSS
2 7
EN VSS
3 6
8/18
OCSET Output
4 5
VCC Output
C736 D701
SR54
To connect
stream port
R730
NC VCC
L702
DM0 3 4
DM0
DP0
2 1
DP0
L
R731
NC
R732 NC
L703
DM1 2 1
DM1
DP1 3 4
DP1
L
R739 NC
R733
NC
L704
DM2 3 4
DM2
DP2
2 1
DP2
L
C734 R734
+
47uF/16V NC
USB5V
C729
0.1uF/16V
VBUS4A
VBUS3A
USB5V
C730
0.1uF/16V
R735
VBUS2A NC
L705
DM3 3 L 4
DM3
VBUS1A
DP3
2 1
DP3
ZD707
R736
NC
R737
NC
R743
L706
DM4
R744 3 4
DM4
NC
NC
DP4 2 1
DP4
L
SDA
R738
NC
Dell 1907FPc
USB5V
L701
30uH
C741
+
0.1uF/16V
8/18
VBUS0
up
1 CN703
2
CONNNECTOR
3
4
C731
0.01uF
VBUS1
CONNNECTOR
CN704
10 12
9 11
VBUS2
CN701
1
+12V
2
USB Switch 3
4
5
CON5
power port
CN702 VBUS3
1 2
3 4
5 6
7 8
VBUS4 9 10
CONN