HP LP2475w Service Manual page 29

24" LCD Color Monitor
2 CN704 1
3 4
5 6
USB CONNECTOR
DGND
DGND
Delete R589/R590 ,V5P0-STDBY change +5V for
USB +5V ALWAYS ON HP SPEC.
+5V
U701
AO4801L
1 8
S2 D2
2 7
G2 D2
3 6
S1 D1
4 5 V5P0_HUB
G1 D1
R537 R536
22K OHM 1/10W 33K OHM 1/10W
Q701
PMBS3904
R538
2.2K OHM 1/10W VBUS
DGND
Power Regulator
V3P3_USB
U704 AP1117E33LA
V5P0_HUB 3 2
VIN VOUT
C737 + + C738
100uF 16V C740
0.1UF16V 22uF50V
DGND DGND DGND
TO Main Board
DGND
L701
DM0 4 3
DP0
1 2
L
C701
0.01uF/25V
DGND
V3P3_USB
V3P3_USB
R534
100K OHM 1/16W
USB_RESETn
C728
0.1UF16V
DGND
V3P3_USB
C733
0.1UF16V
L708
115 OHM
C741 C742
0.1UF16V 0.1UF16V
DGND
U702A
USB2507
Upstream
VBUS R527 VBUS_DET 60
VBUS_DET
100K OHM 1/16W
C726 R528
1uF/16V 100K OHM 1/16W
DGND DGND 62
USBDP0
63
USBDN0
EEPROM
SDA/SMBDATA
SCL/SMBCLK/CFG_SEL0
Misc.
17
TEST0 RBIAS
R531 18
TEST1
10K OHM 1/16W
DGND 19
SELF_PWR
R533 20
CFG_SEL1
10K OHM 1/16W
57
CLKIN_EN
58
PRTPWR_POL
59
RESET_N
78
ATEST/REG_EN
C729 22pF 75
XTAL1/CLKIN
DGND
R535
1M OHM 1/16W
X701
24MHZ
C730 22pF 74
XTAL2
DGND Pow er
populate 4.7uF close to pin76 76
VDDPLL
C731
+ C732
0.1UF16V 4.7uF 50V
DGND DGND
populate 4.7uF close to chip 33
VDD18
50
VDD18
C734 C735 72
VDD18
C736
+
0.1UF16V 0.1UF16V 4.7uF 50V
DGND DGND DGND DGND
populate 10uF close to chip 1
VDDA
7
VDDA GND
C743 C744 13
VDDA GND
+ C745 61
VDDA GND
22uF50V
0.1UF16V 0.1UF16V 67
VDDA
GNDA
GNDA
DGND DGND DGND DGND
GNDA
77
VDDA33PLL GNDA
populate 10uF close to chip
GNDA
31
VDDIO GNDA
51
VDDIOCR GNDA
C746
C747
+
22uF50V
0.1UF16V
DGND DGND
29
V3P3_USB
R529 R530
10K OHM 1/16W 10K OHM 1/16W
U703
22 USBHUB_SDA 8 1
VCC A0
7 2
WP A1
21 USBHUB_SCL 6 3
SCL A2
5 4
SDA VSS
79 DGND AF24BC02-SI
C727
0.22uF
R532
12K OHM 1/16W
DGND
12K ohm
close to
chip.
DGND
R578
0 OHM 1/16W
GND DGND
32
49
71
4
10
16
64
70
73
80
DGND
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
絬 隔 瓜 絪 腹 T2972-G-X-X-1-080604 TPV MODEL
Key Component 09. USB Upstream Port PCB NAME
Wednesday , June 04, 2008 Sheet
Date
HP LP2475w
DGND
Custom
Hurley 24W Size
Rev G
<称爹>
称爹
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