Hisense 55U8GQ Service Manual page 80

5
12VS-->5V_USB
12VS
D
C261
10u/16V
R327
10k
R328 C268
27k/NC 100n/16V
PWR-ON/OFF
4,5
Vin=4.5～18V
Iout=3A
Vref=0.6V
Freq=500KHz
Vout=0.6*(1+R1/R2)=5.13V
USB PORT 1
C272
C
10u/16V
XS10
1
VCC
2
D -
3
D+
4
GND_4
CID 为过流保护
OTG&CID
OTG Host和Device 切换方式待定
B
5V_USB2
C374 C375
10u/16V
100n/16V
R479 100R
5 USB_CTRL
R480
H :POWER ON
L :POWER OFF 4.7k
A
5
4
N35
L7
5 6
VIN LX
4.7 uH
C260
Idc2=4.2A
R326
2 1
C264
GND BS 100n/16V
121k
47p/50V
4 3
EN FB
SY8113BADC
R329
16k
5V_USB1
靠近端子放置
C273 C274
100n/16V
100u/16V
R331
0R
USB1_D-
USB1_D- 5
USB1_D+
USB1_D+ 5
R333
0R
C277 C278
Linux系统R494上件
N25 NC
Android系统R494 NC
N25上件
5V_OTG
R494
0R
N25
1
OUT
5
IN
2
GND
4
EN
3
FLT
C376
+3.3V_Normal
TPS2065DDBVR/NC
100n/16V
R481
4.7k
R482
CID 5
10R
4
3
USB POWER
1500mA
5V_USB
5V_USB
USB PORT 2(OTG)
XS11
1
VCC
2
D -
3
D+
4
GND_4
3
2 1
5V_USB1 5V_USB2
5V_OTG
靠近端子放置
C377 C378 C379
10u/16V 100n/16V
100u/16V/NC
R334
0R
USB0_D-
USB0_D- 5
USB0_D+
USB0_D+ 5
R335
0R
C284 C285
Title Title Title
MSD6886NQH MSD6886NQH MSD6886NQH
Size Size Size Document Number Document Number Document Number
Custom Custom Custom
USB USB USB
Date: Date: Date: Thursday, November 01, 2018 Thursday, November 01, 2018 Thursday, November 01, 2018 Sheet Sheet Sheet
2 1
D
C
B
A
Rev Rev Rev
v1.0 v1.0 v1.0
13 13 13 of of of 15 15 15