BenQ E2220HD Service Manual page 64

21.5" LCD Color Monitor
USB Board
VBUS0
R752
100KOHM 5% 1/16W
U752 USB2514-AEZG
Upstream
30
USBUP_DM
VBUS_DET 27
VBUS_DET
31
USBUP_DP
C755
1uF 10V
Dow nstream 1
1
USBDN1_DM
UGND UGND 13 2
OCS1 USBDN1_DP
12
PRTPWR1
/OC1
Dow nstream 2
3
USBDN2_DM
/OC2 17 4
OCS2 USBDN2_DP
16
PRTPWR2
Dow nstream 3
6
USBDN3_DM
/OC3 19 7
OCS3 USBDN3_DP
18
PRTPWR3
Dow nstream 4
8
USBDN4_DM
/OC4 21 9
OCS4 USBDN4_DP
20
PRTPWR4
USB3.3V EEPROM/Config
22
SDA/SMBDATA/NON_REM1
24
SCL/SMBCLK/CFG_SEL0
R762 25
HS_IND/CFG_SEL1
100KOHM 5% 1/16W
D752
USB3.3V
LL4148
26 Common 35
RESET RBIAS
R767
C761
1nF 16V
UGND
28
LOCAL_PWR/NON_REM0/SUSP_IND
23
VDD33
R769 15
VDD33CR
11
TEST
NC
5
VDDA33
UGND UGND 10
VDDA33
C765 29
VDDA33
33 36
XTAL1/CLKIN VDDA33/VDD33PLL
33P 50V
R771 X751
1MOHM 5% 1/16W 24.000MHZ
14
VDD18
C770
32
XTAL2/CLKIN_EN
33P 50V
UGND 37 34
VSS(FLAG) VDDA18PLL
UGND
USB_power=16V
USB_POWER
CN754
1 1
2 C783 120 OHM
3
0.1UF50V
CONN UGND
UGND
U5V FB752
VBUS0
CN752 1 2
120 OHM
1 C752
DM0 2 L752 1 2 UGND
3 100UF25V
DP0 3 4 4
90 OHM
CONN
C756
DM1 100N 16V
DP1 UGND
R754
UGND
DM1 2 L753
DP1 3
90 OHM
R755
DM2
DP2
DM3 R756
DP3 DM2 2 L751
DP2 3
90 OHM
R757
DM4 USB3.3V
DP4
EEPROM mount: R812~814 pull hi
EEPROM NC: R818~820 pull low
R761
U753
8 1 DM3 2 L754
VCC A0
7 2
WP A1
6 3 DP3 3
SCL A2
5 4 90 OHM
SDA GND
NC/M24C02-WMN6TP R763
UGND UGND
C760
NC/100N 16V
UGND UGND UGND UGND
FB751 USB3.3V
UGND 1 2
120 OHM R768
DM4 2 L755
C762 C763 DP4 3
100N 16V 100N 16V 90 OHM
FB753 USB3.3V R770
UGND UGND 1 2
120 OHM
C766 C767 C768 C769
4.7uF/16V 100N 16V 100N 16V 100N 16V
UGND UGND UGND UGND
USB5V
C771 C772
100N 16V 4.7uF/16V
F752
UGND UGND PTCR
t FB754
VBUS1A 1 2
C773 C774
100N 16V 4.7uF/16V R772 120 OHM
10K1/16W
UGND UGND /OC1 C777
+
100UF25V
R776
15KOHM 1/16W
UGND
VBUS0
FB758
2
R780
C785 C786
+
U754
C784 100K 1/10W
470uF 25V 0.1UF50V R781 NC 1
FB
2
EN
3.6K 1/10W 3
OCSET OUTPUT
4
VCC OUTPUT
UGND UGND C787
0.1uF 16V R782 C788
AP1510SA
NC C792
NC (Vcc=3.3~24V)
NC
UGND
UGND
UGND
Power Regulator
USB5V USB3.3V
U751 AP1117E33LA
3 2
VIN VOUT
C753
+ +
C754 C751
100N 16V 100N 16V 100UF25V
UGND UGND UGND
VBUS1
NC
1 DM11
4 DP11
NC
CN751
ZD753 C757
ZD752 100N 16V
CONN
NC/VPORT0603 102M V05
12 10
11 9
UGND
VBUS2
NC
1 DM22 UGND
4 DP22
NC
ZD754 ZD755 C758
NC/VPORT0603 102M V05 100N 16V
UGND
VBUS3
NC
1 DM33
4 DP33
NC ZD756 C759
ZD751 100N 16V
NC/VPORT0603 102M V05
UGND
VBUS4
NC
1 DM44
4 DP44
NC
ZD758 C764
100N 16V
ZD757
NC/VPORT0603 102M V05 NC/VPORT0603 102M V05
UGND
USB5V USB5V
F753
PTCR F754
VBUS1 t FB755 VBUS2 PTCR
VBUS3
t FB756
VBUS2A 1 2
VBUS3A 1 2
R773 120 OHM 120 OHM
10K1/16W R774
C775 C776 10K1/16W
+
100N 16V /OC2 100UF25V C778 C779 C780
+
100N 16V /OC3 100UF25V 100N 16V
R777
15KOHM 1/16W
R778
15KOHM 1/16W
UGND UGND UGND
UGND UGND
U5V
8 L756
VSS
7 UGND 22UH +-20%
VSS
6
5
C789 C790
D751 R783 R784 C791
+
SR54 NC 12K1/10W NC 0.1uF 16V
470uF
Ra
C793
UGND UGND
NC R785
UGND 2K2 1/10W 1%
Rb
UGND
UGND
Vout=Vfb* (1+Ra/Rb)=5.16
Vfb(typ)=0.8V
64
CN753
VBUS3
8
DM33 7
DP33 6
VBUS4 5
4
DM44 3
DP44 2
1
CONN
UGND
5/7/2009 change connector
from 90 degree to 180, pin
reverse. connector opening
toward boarder.
USB5V
F751
PTCR
VBUS4
t FB757
VBUS3A 1 2
120 OHM
R775
10K1/16W
C781 C782
+
/OC4 100UF25V 100N 16V
R779
15KOHM 1/16W
UGND UGND
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
G3552-T0F-X-X-1-090701
絬 隔 瓜 絪 腹 TPV MODEL
Key Component USB HUB PCB NAME
Date Wednesday , July 01, 2009 Sheet
BenQ E2220HD
BenQ E2220 Size A2
Rev D
715G3552-T0F
称爹 <称爹>
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