Usb Board 715G5370T - AOC G2460PQU Service Manual

Service Manual
7.4 USB Board 715G5370T
USB
3_3V_IN
UDVDD
FB740 1 2 120 OHM 3_3V_IN
+ +
3_3V_IN
GND
DM0
4 DM0
DP0
4 DP0
DM1
4 DM1
DP1
4 DP1
3_3V_IN
GND
GND GND DM2
4 DM2
DP2
4 DP2
RREF
3_3V_IN
GND
C748 47pF 50V R750
X740
12MHz
C749 47pF 50V R753
GND
USB_HUB
GND
USB_HUB 3
PGANG
R741 100K1/16W
R742 10K
U740
1 36 R739
AVDD AMBER2
2 35
GND GREEN2
UDVDD
3 34
DM0 DVDD
4 33
DP0 AMBER3
5 32
DM1 GREEN3
6 31 R777
DP1 PWREN3#
OVCUR3
7 30
AVDD OVCUR3#
8 GL852G-MNG12 29 R778
GND PWREN4#
9 28 OVCUR4
DM2 OVCUR4#
10 27
DP2 TEST
RESET#
11 26
RREF RESET#
UDVDD
12 25
AVDD SEL48
GND
0R05 OHM
DP4
DM4
DP3
DM3
3_3V_IN
UDVDD
0R05 OHM
GND GND
As close to GL852G
42
4
USB_HUB
3_3V_IN
R746 NC/100K
VBUS0
PWREN1
R794
R795
3_3V_IN
NC/10K
PWREN3
NC/10R
PWREN4
NC/10R
GND
GND
USB_HUB
4 VBUS4
U745
5 1
4 IN OUT
R747 NC/100K 2
4 GND
PWREN3 4 3
4 EN OC
4
R796 NC/100K NC/G5250M1T1U
R797 NC/10K
OVCUR4
T P V ( Top
絬 隔 瓜 絪 腹
Key Component
Date
USB_HUB
GND
t
4 VBUS1
U744
5 1
IN OUT
2
GND
4 3
EN OC
NC/100K
NC/G5250M1T1U
NC/10K
OVCUR1
GND
USB_HUB
GND
t
VBUS4
USB_HUB
U746
5
IN
R756 NC/100K
PWREN4
4
EN
R798 NC/100K NC/G5250M1T1U
R799 NC/10K
OVCUR3
GND
Victory Electronics Co . , Ltd. ) OEM MODEL
AOC
715G5370-T01-001-0040 TPV MODEL
60ID
USB Hub PCB NAME 715G5370-T01-001
Wednesday , Nov ember 28, 2012 Sheet 2 of
G2460PQU
VBUS1
USB_HUB
t
VBUS3
VBUS3 4
1
OUT
2
GND
3
OC
GND
Custom
Size
Rev 1-1
<称爹>
称爹
4