Gateway XHD3000 Service Manual page 53

30" LCD Color Monitor
J43
2 1
3 4
5 6
CONNNECTOR
DGND
DGND
GND_SHLD
DGND GND_SHLD
L2618
1 2
GND_SHLD
4 3
L
C895
0.01UF 16V
V3P3_USB
USB_RESETn
29 USB_RESETn
V3P3-STDBY V3P3_USB
V3P3_USB
C901
L2619
0.1UF16V
115 OHM
C905 C906
0.1UF16V 0.1UF16V
DGND
CONFIDENTIAL
U128A
USB2507
Upstream
R761 VBUS_DET 60
VBUS_DET
100K 1/10W
C894 R762
1uF/16V
100K 1/10W
DGND DGND 62
USBDP0
63
USBDN0
Pull low if no PID (product ID) application us e d.
EEPROM
22
SDA/SMBDATA
21
SCL/SMBCLK/CFG_SEL0
Misc.
17 79
TEST0 RBIAS
R767 18
TEST1
10K 1/10W
DGND 19
SELF_PWR
R769 20
CFG_SEL1
10K 1/10W
57
CLKIN_EN
58
PRTPWR_POL
59
RESET_N
78
ATEST/REG_EN
C897 22pF 75
XTAL1/CLKIN
DGND
R772
X1 1M 1% 1/2W
24.0MHz
C898 22pF 74
XTAL2
DGND Pow er
populate 4.7uF close to pin76 76
VDDPLL
C899
C900
0.1UF16V 4.7uF/6.3V
DGND DGND
populate 4.7uF close to chip 33
VDD18
50
VDD18
C902 C903 72
VDD18
C904
0.1UF16V 0.1UF16V 4.7uF/6.3V
DGND DGND DGND DGND
populate 10uF close to chip 1
VDDA
7 32
VDDA GND
C907 C908 13 49
VDDA GND
C909 61 71
VDDA GND
0.1UF16V 0.1UF16V 10uF/10V 67
VDDA
4
GNDA
10
GNDA
DGND DGND DGND DGND 16
GNDA
77 64
VDDA33PLL GNDA
populate 10uF close to chip 70
GNDA
31 73
VDDIO GNDA
51 80
VDDIOCR GNDA
C910
C911
0.1UF16V 10uF/10V
DGND DGND
16,29,30 MCU_I2C_SCL
16,29,30 MCU_I2C_SDA
53
Load R766 and
R770, R771, U139 or U137 to
disable PID data reads from the
EEPROM.
USBHUB_SDA
USBHUB_SCL
R765
NC
R768
12K 1% 1/10W DGND
12K ohm
close to
chip.
DGND V3P3_USB
V3P3_USB
C896
0.1UF16V
R770 R771
NC NC
DGND
U139
1 8
A0 VCC
2 7 USB_RESETn
A1 WP
3 6
A2 SCL
4 5
GND SDA
NC
DGND USB HUB I2C Addr= 0xA0
MCU I2C Addr= 0xAE
R1050
10K 1/10W
EEPROM is used for PID
DGND
(product ID)
application.
Note: This device
allows the MCU to
program the USB
PID EEPROM
V3P3-STDBY
DGND C1309
0.1UF16V
DGND
V3P3-STDBY
V3P3-STDBY
U137
2 3
1A 1B
5 6
2A 2B
9 8
3A 3B
12 11
4A 4B
USB_RESETn
1
1OE
4
2OE
10
3OE
13
4OE
NC
DGND
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
T2080-I-X-X-1-070727
絬 隔 瓜 絪 腹 TPV MODEL
Key Component 26.USB Upstream PCB NAME
Date Friday,July 27,2007 Sheet
Gateway XHD3000
Do not load
REV 2
R766
100K 1/10W
DGND
Size C
Gateway XHD3000
CBPF6SSXGYA2P Rev I
715T2080 I
称爹
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