ViewSonic VS15197 Service Manual page 38

U13
+3V_2064 USX2064 QFN36
Upstream
27
R730 10K_4
VBUS_DET
C127
0.1uF/16V_4
Downstream 1
R721
0_4
USB_OCS1 2 1 USBHUB_D1_OC 13
OCS1
Downstream 2
R722
0_4
USB_OCS2 2 1 USBHUB_D2_OC 17
OCS2
Downstream 3
R723
0_4
USB_OCS3 2 1 USBHUB_D3_OC 19
OCS3
Downstream 4
R724
0_4
2 1 21
USB_OCS4 USBHUB_D4_OC
OCS4
+3V_2064 +3V_2064
EEPROM/Config
R181 R180
SDA/SMBDATA/NON_REM1
10K_4
100K_4
SCL/SMBCLK/CFG_SEL0
R985
*0_4
2 1 26
Common
6 USBHUB_RST RESET
R986
*0_4 C143
2 1 0.1uF/16V_4
33 SC_USBHUB_RST
R186
*100K_4 28
LOCAL_PWR/NON_REM0/SUSP_IND_N
11
TEST
C149 33p/50V_4
33
XTAL1/CLKIN
Y2
R189
7V24000007(24MHz)
*1M/6/NC
32
XTAL2
C157 33p/50V_4
As close to chip
37
VSS(FLAG)
SEL nOE FUNCTION
X Disconnect
H
C282
L L D=1D R372
VDD_1V8_SYS
2
R947
33 SC_TOUCH_SEL
H L D=2D R946 2
8 TOUCH_SEL
ViewSonic Corporation
L6
31 USBUP_DP 3 4 USB2064_DP
USBUP_DP
30 USBUP_DN 2 1 USB2064_DN
USBUP_DM
*DCC0904N017
1 2
3 4
RP25 0_4P2R
For Touch
USBHUB_DP1
2 DP1_FB
DP1_FB
USBDN1_DP
USBHUB_DM1
1 DM1_FB
USBDN1_DM DM1_FB
12 USBHUB_D1_EN R717 *Short_4
PRTPWR1
For CAMERA
4 USBHUB_DP2
DP2_FB
USBDN2_DP DP2_FB
USBHUB_DM2
3 DM2_FB
DM2_FB
USBDN2_DM
16 USBHUB_D2_EN R718 *Short_4
PRTPWR2
For USB3
USBHUB_DP3
7 DP3_FB
USBDN3_DP
6 USBHUB_DM3
DM3_FB
USBDN3_DM
18 USBHUB_D3_EN R719 *Short_4 USB3_PW_EN
PRTPWR3
For USB1
USBHUB_DP4
9 DP4_FB
USBDN4_DP
USBHUB_DM4
8 DM4_FB
USBDN4_DM
20
USBHUB_D4_EN R720 *Short_4 USB4_PW_EN +3V_2064
PRTPWR4
R177 R178 R179
*100K_4 *100K_4 *100K_4
22
24
25
HS_IND/CFG_SEL1
R183 R184 R185
35
100K_4 100K_4 100K_4
RBIAS
R187
12K/F_4
As close to pin35 +3V_2064
23
VDD33(IO)
15
C146 C147 C148
VDD33(REG)
4.7u/10V_6 Closs with
0.1uF/16V_4 0.1uF/16V_4
pin15
5
VDDA33
10
VDDA33
29
VDDA33
36
VDDPLLREF/VDDA33
C150 C151 C152 C153 C154
4.7u/10V_6
0.1uF/16V_4 0.1uF/16V_4 0.1uF/16V_4 0.1uF/16V_4
14
Closs with
VDDCR18
pin36
C155 C156
1u/10V_4
0.1uF/16V_4
Close
with
34
pin14
VDDPLL18
C158 C159
1u/10V_4
0.1uF/16V_4
VDD_3V3_SYS
0.1uF/16V_4
U79
10K_4 TS3USB221
10 1 USB_TYPE_BD+
VCC 1D+
1
0_4
1 *0_4 U_SEL 9 2 USB_TYPE_BD-
SEL 1D-
USB2064_DP 8 3 USB2_DP
USB2_DP
D+ 2D+
7 4
USB2064_DN USB2_DN
USB2_DN
D- 2D-
USB_EN 6 5
nOE GND
R376
*Short_4
VDD_5V0
F4 2 1
FUSE_1.1A/8V
USB_OCS1
3.3V discharge
28
circuit .
28
VDD_5V0
+3V_2064
R190
330/F_4
28
1 Q4
MMBT3906
28
R191 R192
10K_4 330/F_4
+3V_2064
U15
6 1
SCL A0
5 2 C142
SDA A1
3
0.1uF/16V_4
A2
R182 *10K_4 7 8
WP VCC
4
GND
*AF24BC08-SI-TE1(DCEF)/NC
Option:
Customized VID, PID,
String, Configuration.
R987 *0_4
6,20 MINI_OTG_ID
R374 *0_4
L27
USB_TYPE_BD- 2 1 DM0_FB
USB_TYPE_BD+ 3 4 DP0_FB MINIUSB_ID
DCC0904N017
11
R375 *0_4
11
DM0_FB RClamp0531T ESD14
DP0_FB RClamp0531T ESD15
MINI_OTG_ID
37
Confidential - Do Not Copy
USB_1_VBUS
VDD_5V0
5V 50MIL
R1738 C128 + C596 R1741
0.1uF/16V_4
8.2K/F_4 8.2K/F_4
100u/6.3V_3528
USB_OCS2
R1740 R1742
15K/F_4 15K/F_4
Dual USB VBUS switches
VDD_5V0
U14
msop8-4_9-65-9p-tps2052bdgnr
COMMON
C134 C136
2
0.1uF/16V_4
IN
4.7u/10V_6
USB3_PW_EN 3 7
EN1 OUT1
8
USB_OCS3
OC1*
USB4_PW_EN 4 6
EN2 OUT2
USB_OCS4 5
OC2*
9 1
TP GND
check fp
T75
USB_4_VBUS
C140 +
C141
100u/6.3V_3528 0.1uF/16V_4
L7
DM4_FB 2 1 HUB_USB4_N
DP4_FB HUB_USB4_P
3 4
DCC0904N017 1
T77
1
T78
1
T79
HUB_USB4_P RClamp0531T ESD2
HUB_USB4_N RClamp0531T ESD3
T84
USB_3_VBUS
C161 +
C160
100u/6.3V_3528 0.1uF/16V_4
L9
DM3_FB 2 1 HUB_USB3_N
DP3_FB HUB_USB3_P
3 4
DCC0904N017
1 1
T85 T86
1
T87
HUB_USB3_P RClamp0531T ESD6
HUB_USB3_N RClamp0531T ESD7
T161
VBUS_TYPE_B
CN17
1
5V
2
D-
3 6
D+ 6
4 7 C283
USB-ID 7
5 8
0.1uF/16V_4
GND 8
10 9
NC 9
11
NC
1
T162
MINI_USB
6,20
VSD241/SD-A245/CDS245
USB_3_VBUS
5V 50MIL
C137
C135
0.1uF/16V_4 22uF_8
USB_4_VBUS
5V 50MIL
C139
C138
0.1uF/16V_4 22uF_8
CN3
10265-00003
1
USB OUT TYPE A 1
2
3
4
CN5
10265-00003
1
USB OUT TYPE A 2
2
3
4