Usb Hub - Philips QM14.3E LA Service Manual

Circuit Diagrams and PWB Layouts
10-1-50 B, USB HUB

USB HUB

B
+3V3-USBSWITCH
DT-USB-SWITCHED-DP3
DT-USB-SWITCHED-DM3
+3V3-USBSWITCH
DT-USB-SWITCHED-DP2
DT-USB-SWITCHED-DM2
+3V3-USBSWITCH
DT-USB-SWITCHED-DP1
DT-USB-SWITCHED-DM1
+3V3-USBSWITCH
QM14.3E LA 10.
+3V3-USBSWITCH
4
DDP_1
3
DDN_1
R143N 10K
25
OVR_1
7
DDP_2
6
DDN_2
R136N 10K
24
OVR_2
13
DDP_3
12
DDN_3
I029N
R140N 10K
20
OVR_3
16
DDP_4
15
DDN_4
I030N
R141N 10K
19
OVR_4
EN 89
+5V
+3V3-USBSWITCH
U010N
CY7C65632-28LTXC
28
VREG
C158N
10
XIN
4
2
C159N
11
XOUT
17
RESET
I032N
R142N
22
SELFPWR
R145N
23
GANG
R146N 680
8
RREF
I033N
18
TEST|I2C_SCL
26
PWR|I2C_SDA
1
DN
2
DP
GND_HS
back to
2014-Apr-17
div.table
18pF
50V
18pF
50V
DT-USBSWITCH-RESETn
10K
+3V3-USBSWITCH
100K
USB-DM-P2
USB-DP-P2
MTK UHD 50 Hz
7800
B
3 2013-12-13
715RLPCB000000021
19580_131_140313.eps
14-03-26