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JK6401
+
IP6401
NOREG
2
DC IN
4
-
3
8
Q1501
1
JK6701
+
IP6701
BATT +
1
T
2
BATTERY
D
3
8
-
4
Q1502
1
JK6002
USB TERMINAL
Q1504
R6003
VBUS
1
IC1503
(RTC/CHARGE CONTROL)
QR1502
F2
PWSW
C2
ADPSW
QR1501
A2 ADP
C1 VADP
A3
SW
D7 ISNS
IC3401
(VENUS ENGINE)
F7 TDET
BATT V
E20
BATT TXD
L3
BATT RXD
L2
USB VBUS
AC18
D3 /SWIN1
POWER OFF/ON
S6401
CH3418
DI CHA
M3
C7 SDO
CH3417
DO CHA
M4
C6 SDI
CH3410
USB WK CNT B4
CLK CHA
M2
B7 SCK
B6 CS
CS CHA
L1
QR3403
VBUS OCP
C19
VBUS ON H
P6
S FG PWR SCL
P2
S FG PWR SDA
P3
RSTB U7
QR2389
Please check the Fuse Resistor and IC Protector
when an output voltage does not output.
FUSE RESISTOR:
(R1001/R1271/R6003)
6
5
7
IC PROTECTOR:
(IP6401/IP6701)
2
3
4
6
7
5
6
5
4
Q1503
QR1471
1
2
3
2
3
4
USBSW
E2
VUSB
E1
B2
USB
A1
OUT
E7
BAT
SWIN4
E5
F4
WKUP RST
4
3
FULLSET D2
IC2301
(RESET)
BATSET D1
1
2
VREG25
G2
/SWIN3
E4
8
COINBAT
G4
IC1551
(BATTERY
MONITOR)
B501
LI BATT
1
DVIN A6
CHG EN F5
USB EN F6
/DO B5
VREG32
G3
WKUP F3
QR1503
IC1471
(POWER-DISTRIBUTION
SWITCHES)
6
1
OUT
IN
2
5
ILIM
GND
4
EN
3
/FAULT
Q1471
CH1471
3
4
2
5
1
6
1
VCC
2
VREGA
3
GND
4
VOSEL2
5
VOSEL3
6
VOSEL4
7
SDA
8
SCL
STB1234
9
10
STB6
CH1001
CH1002
11 12 13
QR1001
R1271
QR1003
4
7
6
5
1
2
3
4
CH1103
QR1101
QR2308
CH1101
PW RTCVREG32
(To QR6006-E)
PW RTCVREG25
(To IC3412-16/IC3414-2)
42
41
40
39
38
37 36 35 34 33
HX36
32
31
LX3
LX3
30
29
PGND3
IC1001
CH1241
PGND3
28
(POWER)
HX4
27
LX4
26
PGND45
25
HX5
24
LX5
23
LX6
22
14 15 16 17 18 19 20 21
D902-906
(LCD BACK LIGHT)
3
13
14 15 16
IC1222
(RESET)
12
PVIN
SW
1
IC1003
2
SW
11
PVIN
2
(SYNCHRONOUS
10
AVIN
DEF
3
STEP DOWN
QR1221
CONVERTER)
9
SS
PG
4
8 7 6 5
QR1222
IC1002
(DC/DC CONVERTER)
12
FB
VOUT
1
11
2
VSEL
SW2
QR1002
MODE
PGND
/SYNC
9
SGND
SW1
4
CH1105
8
NC
PVIN
5
Q1001
7
6
VDD
EN
HC-VX980/VX981/VX989/VX980M POWER SUPPLY CIRCUIT BLOCK DIAGRAM
PW 5V
PW HDM5V
PW SPK3.2V
PW LENS3.2V
IC1221
PW SD3.2V
(LOAD SW)
PW 3.2V
PW GYRO3V
1
6
CE
DELAY
4
3
2
VOUT
5
VIN
IC704
3
BIAS
GND
4
(REGULATOR)
1
2
PW REG3V
PW LENS1.5V
4
3
4
3
IC1421
IC703
(REGULATOR)
(REGULATOR)
1
2
1
2
PW MOS1.8V
PW ANA1.8V
PW REG1.8V
IC1241
(LOAD SW)
PW MOS1.2V
4
PW DDR1.8V
VIN
VOUT
1
IC1341
3
CTL
GND
2
(REGULATOR)
4
VDD
VOUT
1
IC1262
3
CTL
GND
2
(LOAD SW)
4
1
PW DDR1.2V
VIN
VOUT
3
CTL
GND
2
IC1261
(REGULATOR)
4
VDD
VOUT
1
3
CE
GND
2
PW ANA1.0V
IC1291
PW VID1.0V
(LOAD SW)
4
1
PW DDR1.0V
VIN
VOUT
3
CTL
GND
2
IC1392
(REGULATOR)
4
VDD
VOUT
1
3
CE
GND
2
R1001
PW STNOREG
(To PHOTO LIGHT
DRV. P.C.B.)
DDR POW ON H
(From IC3412-6)
PW WIFI3.2V
IC1381
(REGULATOR)
PW WIFI3V
6
VDD
VOUT
1
2
5
NC
CS
4
GND
3
CE
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