HP LP2275w Service Manual page 30

22" LCD Color Monitor
VBUS0
U704 USB2514-AEZG
Upstream
R712 27
VBUS_DET
100K 1/16W 5%
C712 R713
1uF/16V
100K 1/16W 5%
Dow nstream 1
13
/OC1
OCS1
Dow nstream 2
17
/OC2
OCS2
Dow nstream 3
19
/OC3
OCS3
Dow nstream 4
21
/OC4
OCS4
+3.3V_USB EEPROM/Config
SDA/SMBDATA/NON_REM1
SCL/SMBCLK/CFG_SEL0
R714
HS_IND/CFG_SEL1
100K 1/16W 5%
26 Common
RESET
C713
0.1uF 16V
R715 28
LOCAL_PWR/NON_REM0/SUSP_IND
10K 1/16W 5%
11
TEST
XTAL1
33
XTAL1/CLKIN VDDA33/VDD33PLL
C714 33pF
R716 X701
1M 1/16W 5% 24.000MHZ
32
XTAL2/CLKIN_EN
C715 33pF
XTAL2
37
VSS(FLAG)
30
USBUP_DM
USBUP_DM
31
USBUP_DP
USBUP_DP
1 DM1
USBDN1_DM USBDN_DM1
2 DP1
USBDN1_DP USBDN_DP1
12
PRTPWR1
3 DM2
USBDN2_DM USBDN_DM2
4 DP2
USBDN2_DP USBDN_DP2
16
PRTPWR2
R731 NC
6 DM3
USBDN3_DM USBDN_DM3
7 DP3
USBDN_DP3
USBDN3_DP L701
18 4 3
USBUP_DM
PRTPWR3
1 2
USBUP_DP
90 OHM
8 DM4
USBDN4_DM USBDN_DM4
9 DP4 +3.3V_USB R732 NC
USBDN_DP4
USBDN4_DP
For
20
EEPROM
PRTPWR4
R717 R718 R719
10K 1/16W 5% 10K 1/16W 5% 10K 1/16W 5%
22 1 8
A0 VCC
24 2 7
A1 WP
25 3 6
A2 SCL
4 5
VSS SDA
R720 R721 R722
NC NC NC
M24C02-WMN6TP
35
RBIAS
U705
R723
12KOHM +-0.5% 1/16W
+3.3V_USB
Close
FB701
2514
23 1 2
VDD33
15 600 OHM
VDD33CR
C717 C718
0.1uF 16V 0.1uF 16V
5
VDDA33
10
VDDA33
29 +5V
VDDA33
36
C719 C720 C721 C722
2.2uF/16V 0.1uF 16V 0.1uF 16V 0.1uF 16V
14
VDD18
C723 C724
2.2uF/16V
0.1uF 16V
Close 2514
34
VDDA18PLL
/OC3
C725 C726
2.2uF/16V
0.1uF 16V
Close 2514
change the USB control circuit 970110
+5V
Q705
AO4411
1 8
S D
2 7
S D
3 6
S D
4 5
G D
R727 R728
22K 1/10W 5% 33K 1/10W 5%
Q706
PMBS3904
R726 100K 1/10W 5%
VBUS0
R729
USB_DET
10K 1/16W 5%
C732 R730
0.1uF 16V 20K OHM 1/16W
CN702
1
4
6
C733
0.1uF 16V
+3.3V_USB +5V
+5V
F701 VBUS2
C716
PTCR
0.1uF 16V
t
R733 C734
10K 1/16W 5% + 100uF25V
/OC2 /OC1
R734
15K 1/16W 5%
+5V
F704
F703 VBUS4
PTCR
VBUS3
PTCR t
t
R737 C736 R739 C737
+ +
10K 1/16W 5% 100uF25V 10K 1/16W 5% 100uF25V
/OC4
R738 R740
15K 1/16W 5% 15K 1/16W 5%
絬 隔 瓜 絪 腹
Key Component
30
USB5V
U706
USB5V 3
VI
C727
220uF 25V
+
C738
0.1uF 16V
R741 NC
L702
DM1 4 3
USBUP_DM1
DP1
USB_DET 1 2
USBUP_DP1
90 OHM
R742 NC
R743 NC
DM2 4 L703 3
USBUP_DM2
DP2 1 2
USBUP_DP2
90 OHM
R744 NC
2
3
R745 NC
5
DM4 4 L704 3
USBUP_DM4
DP4 1 2
USBU_ DP4
90 OHM
R746 NC
F702
PTCR
t
VBUS1 R747 NC
L705
DM3 4 3
USBUP_DM3
R735 DP3 1 2
USBUP_DP3
10K 1/16W 5% + C735
100uF25V
90 OHM
R736 R748 NC
15K 1/16W 5%
P.S. GND, UGND must be connected.
2,3,4,5,6,8
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
HP-say id
G2973-1-X-X-1-080603 TPV MODEL LP2275
10. USB PCB NAME 715G2973-1
Monday , June 02, 2008 Sheet 10 of 10
Date
HP LP2275w
+3.3V_USB
2
VO
4
VO
C739 +
100uF25V
VBUS1
C740 CN703
0.1uF 16V
10 12
VBUS2 9 11
CONNNECTOR
C741
0.1uF 16V
VBUS4
C742
0.1uF 16V CN704
1
2
3
4
5
VBUS3 6
7
8
C743
0.1uF 16V
+5V
+5V
Size Custom
Rev G
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