Hisense 55U8GQ Service Manual page 62

5
12VS-->5V_USB
12VS
D
VZ1
R327
10k
R328
27k/NC
PWR-ON/OFF
4,5,16
Vin=4.5～18V
Iout=3A
Vref=0.6V
Freq=500KHz
Vout=0.6*(1+R1/R2)=5.13V
C
USB PORT 1
XS10
1
VCC
2
D -
3
D+
4
GND_4
ESDA6V8UL
B
CID 为过流保护
OTG&CID
5V_USB2
R479 100R
5 USB_CTRL
H :POWER ON
A
L :POWER OFF
5
4
N35
L7
5 6
VIN LX
4.7 uH
C260
Idc2=4.2A
R326
2 1
GND BS
100n/16V
121k
4 3
EN FB
SY8113BADC
R329
16k
C268
100n/16V
5V_USB1
靠近端子放置
C272 C274
C273
10u/16V 100n/16V
100u/16V
R331
0R
USB1_D-
USB1_D-
USB1_D+
USB1_D+
R333
0R
C277 C278
VD9
5V_OTG
R494
0R
C375
C374
10u/16V
100n/16V N25
1
OUT
5
IN
2
GND
4
EN
3
FLT
R480 C376
+3.3V_Normal
TPS2065DDBVR/NC
100n/16V
4.7k
R481
4.7k
4
3
USB POWER
1500mA
5V_USB
C264
47p/50V
USB PORT 2(OTG)
5
5
Linux系统R494上件
N25 NC
Android系统R494 NC
N25上件
R482
CID 5
10R
3
2
5V_USB 5V_USB1 5V_USB2
5V_OTG
靠近端子放置
C377 C378 C379
10u/16V 100n/16V
100u/16V/NC
XS11
R334
1
0R
VCC
2 USB0_D-
D -
3 USB0_D+
D+
4
R335
GND_4
0R
C284 C285
VD10
ESDA6V8UL
Title Title Title
Size Size Size Document Number Document Number Document Number
Custom Custom Custom
Date: Date: Date: Thursday, December 06, 2018 Thursday, December 06, 2018 Thursday, December 06, 2018
2
1
D
C
USB0_D- 5
USB0_D+ 5
B
A
MSD6886 MSD6886 MSD6886
Rev Rev Rev
v1.0 v1.0 v1.0
USB USB USB
Sheet Sheet Sheet 13 13 13 of of of 19 19 19
1