Usb Board - HP L1950 Service Manual

19" LCD Color Monitor

7.4 USB Board

U701
R701
100K 1/16W 5%
27
VBUS_DET
C701
1uF/16V R704
100K 1/16W 5%
GND_U GND_U 13
OCS1
/OCS1
/OCS2 17
OCS2
19
NC
21
NC
+3.3V_USB
R717
100K 1/16W 5%
26
RESET
C705
0.1uF/16V
GND_U 28
LOCAL_PWR/NON_REM0/SUSP_IND
R716
100K 1/16W 5%
11
TEST
GND_U GND_U
C708 18pF
33
XTAL1/CLKIN
R724 X701
1M 1/16W 5% 24.000MHz
32
XTAL2/CLKIN_EN
C713 18pF
GND_U 37
VSS(FLAG)
GND_U
+5V
CN703
1
2
+
CONN C723 C722
470uF/16V 0.1uF/16V
GND_U GND_U GND_U
USB2512-AEZG
Upstream
30
USBUP_DM
31
USBUP_DP
Dow nstream 1
1 DM1
USBDN1_DM
2 DP1
USBDN1_DP
12
PRTPWR1
Dow nstream 2
3 DM2
USBDN2_DM
+3.3V_USB
4 DP2
USBDN2_DP
16
PRTPWR2
Dow nstream 3
6
NC
7
NC
+3.3V_USB
18
NC
Dow nstream 4
8
NC
9
NC
20
NC
EEPROM/Config
22
SDA/SMBDATA/NON_REM1
24
SCL/SMBCLK/CFG_SEL0
25
HS_IND/CFG_SEL1
Common 35
RBIAS
R721
12K 1/10W 1%
GND_U GND_U
23 GND_U
VDD33
15
VDD33CR
C706 C707
5 4.7UF 16V 0.1uF/16V
VDDA33
10
VDDA33
29
VDDA33
36 GND_U GND_U
VDDA33/VDD33PLL
C709 C710 C711
0.1uF/16V 0.1uF/16V 0.1uF/16V
GND_U GND_U GND_U GND_U
14
VDD18
C714 C715
0.1uF/16V 1uF/16V
GND_U GND_U
34
VDDA18PLL
C718 C719
0.1uF/16V 1uF/16V
GND_U GND_U
+3.3V_USB
U703
3 2
VIN VOUT
+ C720 C721
100uF/16V 0.1uF/16V
AP1117E33LA
GND_U GND_U
GND_U
DM0
DP0
10K 1/16W 5%
/OCS1
15K 1/16W 5%
+3.3V_USB
DM1
U702
8 1 DP1
VCC A0
7 2
WP A1
6 3
SCL A2
5 4
SDA GND
M24C02-WMN6TP
GND_U
GND_U
C704
0.1uF/16V
GND_U GND_U
+3.3V_USB
DM2
DP2
C724 C712
0.1uF/16V 0.1uF/16V
GND_U
10K 1/16W 5%
/OCS2
15K 1/16W 5%
T P V ( Top
絬 隔 瓜 絪 腹
Key Component
Date
29
R702 0R05 1/16W
L701 NC 1
2 1 2
3
3 4 4
R703 0R05 1/16W
CN701
GND_U CONNNECTOR
GND GND
R705 0R05 1/8W
+5V GND_U GND
F701
t
PTCR FB701 120 OHM
1 2
R708
+ C702
100uF/16V
C703
0.1uF/16V
R709
GND_U GND_U
GND_U
R712 0R05 1/16W
L702 NC
2 1
3 4
GND_U
R715 0R05 1/16W
12
11
GND GND
R722 0R05 1/16W
GND
L703 NC GND_U
2 1
3 4
R723 0R05 1/16W
+5V
GND GND
F702
t
PTCR FB702 120 OHM
1 2
R725
+ C716
100uF/16V
C717
0.1uF/16V
R726
GND_U GND_U
GND_U
Victory Electronics Co . , Ltd. ) OEM MODEL HP L1750/L1950
G2704-D-x-x-1-20070710 TPV MODEL <Doc>
02.USB HUB USB2514 PCB NAME G2704-D
Tuesday , July 10, 2007 Sheet 2 of 2
HP L1950
GND
CN702
CONNNECTOR
10
9
GND
Size Custom
Rev D
称爹 备注