HC-WXF995/WXF995M/VXF995 POWER SUPPLY CIRCUIT BLOCK DIAGRAM
JK6442
1
3
4
2
+
T
D
-
JK6441
2
3
4
+
-
BATTERY
DC IN
PW RTCVREG32
(To QR6002-E)
FUSE RESISTOR:
QR1221
QR1222
QR1101
Q1501
1
2
4
5
6
8
7
Q1502
1
2
3
4
5
6
8
7
1
2
3
4
6
5
Q1503
IC3401
(VENUS ENGINE)
DI CHA
DO CHA
CLK CHA
CS CHA
VBUS OCP
VBUS ON H
S FG PWR SCL
S FG PWR SDA
M3
M4
M2
L1
P3
P2
L2
IC2301
(RESET)
QR1003
QR2389
QR1503
QR2308
Q1504
BATT RXD
L3
BATT TXD
IC1503
(RTC/CHARGE CONTROL)
/SWIN3
VREG32
E4
WKUP F3
B2
USB
A1
OUT
C2
A3
USBSW
G2
VREG25
(R1001/R1271/R6003)
IC PROTECTOR:
(IP6441/IP6442)
Please check the Fuse Resistor and IC Protector
when an output voltage does not output.
IP6442
IP6441
NOREG
BATT +
1
USB TERMINAL
VBUS
JK6002
ADPSW
PWSW
A2 ADP
C1 VADP
SW
F2
E2
E7
BAT
E1
VUSB
D7 ISNS
F7 TDET
B6 CS
B7 SCK
E5
SWIN4
F4
WKUP RST
QR1002
C6 SDI
C7 SDO
S6002
POWER OFF/ON
LI BATT
D3 /SWIN1
B501
G4
COINBAT
G3
/DO B5
FULLSET D2
BATSET D1
DVIN A6
CHG EN F5
USB EN F6
USB WK CNT B4
R6003
CH3410
CH3417
CH3418
QR3403
1
2
3
6
IC1551
(BATTERY
MONITOR)
THM
SDA
4
5
ALRTN
VREG
VDD
VSS
VBAT
SCL
IC1002
(DC/DC CONVERTER)
VOUT
IC1471
(POWER-DISTRIBUTION
SWITCHES)
IC1222
(RESET)
4
3
2
1
VDD
GND
OUT
CD
PW WIFI3.2V
PW WIFI3V
STB6
SCL
SDA
STB1234
VOSEL3
VOSEL4
VCC
VOSEL2
VREGA
GND
VO4
INV5
VO3
REGOUT
PGND45
HX5
LX5
LX6
LX4
HX4
PGND3
PGND3
LX3
LX3
HX36
LX21
HX36
PGND2
VO2E
LX22
HX2
PGND1
SWOUT
VO1E
LX1
INV6
VDD
INV7
LED
VO7
42
39
41
38
40
37 36 35 34 33
1
2
3
4
5
6
7
8
9
10
32
31
30
29
28
27
26
25
24
23
22
14 15 16 17 18 19
LX7
20
PGND67
21
11 12 13
IC1001
(POWER)
R1271
PW 5V
PW EVF3V
PW HDM5V
PW EVF3.2V
PW SPK3.2V
PW LENS3.2V
PW SD3.2V
D902-906
(LCD BACK LIGHT)
CH1241
CH1101
CH1001
CH1471
CH1002
CH1103
CH2302
RSTB U7
6
5
1
2
EN
IN
OUT
/FAULT
ILIM
GND
4
5
6
3
2
1
QR1471
Q1471
P6
C19
IC1261
(REGULATOR)
PW LENS1.5V
IC703
(REGULATOR)
4
3
2
1
IC1421
(REGULATOR)
4
3
2
1
GND
CE
GND
CE
VDD
VOUT
VDD
VOUT
IC704
(REGULATOR)
4
3
2
1
GND
CE
VDD
VOUT
PW RTCVREG25
(To IC3410,3411,3412-5
/IC3414-2)
IC1003
(SYNCHRONOUS
STEP DOWN
CONVERTER)
13
12
11
10
9
1
14 15 16
8 7 6 5
PVIN
PVIN
AVIN
SS
SW
EN
PGND
PGND
VOS
CN
CP
AGND
FB
2
3
4
SW
DEF
PG
4
3
2
1
VDD
GND
OUT
CD
IC1381
(REGULATOR)
6
5
4
3
1
2
GND
VOUT
VDD
CE
NC
CS
PW DDR1.0V
IC1431
(REGULATOR)
4
3
2
1
GND
CE
VDD
VOUT
IC1221
(LOAD SW)
1
2
3
4
6
5
GND
DELAY
CE
BIAS
VIN VOUT
PW ANA1.0V
PW DDR1.2V
PW VID1.0V
PW 3.2V
PW REG3V
EVF3.2V ONH
(From IC3401-R7)
PW MOS1.8V
PW DDR1.8V
PW ANA1.8V
PW REG1.8V
QR1001
Q1001
CH1105
3
4
QR1501
QR1502
E20
BATT V
DDR POW ON H
(From QR3414-C)
AC18
USB VBUS
PW MOS1.2V
7
8
IC1552
(RESET)
4
3
2
1
VDD
GND OUT
CD
IC1341
(REGULATOR)
2
3
4
1
VOUT
GND
VDD
CTL
2
3
4
1
VOUT
GND
VDD
CE
IC1392
(REGULATOR)
2
3
4
1
VOUT
GND
VDD
CE
IC1241
(LOAD SW)
2
3
4
1
VOUT
GND
VIN
CTL
IC1262
(LOAD SW)
2
3
4
1
VOUT
GND
VIN
CTL
IC1291
(LOAD SW)
2
3
4
1
VOUT
GND
VIN
CTL
PW GYRO3V
PW EVF1.8V
3
PW STNOREG
(To Q6001-4)
R1001
A5
VOUT B5
VOUT C5
BOLX A4
BOLX B4
BOLX C4
BULX A2
BULX B2
BULX C2
VFB D5
PVIN
A1
PVIN
B1
PVIN
C1
AVIN
D1
MODE
D3
PGND
A3
PGND
B3
PGND
C3
AGND
D4
CE
D2
Q1552
Q1551
Q1442
Q1441
CH1441
