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K
DC
2,3
USB_VBUS
CEN
4
BATCHGOFF
PEN1
5
ADP_EN
PEN2
6
IC521
USB_HPWR
BATTERY CHARGE
USUS
13
USB_SUSPWR
CHG
19
BATCHGERR
J
FLT
24
TIMEOUT
TO DMA
17,18 BAT
BAT+
TO BATTERY
I
CLKO
POCO
EN
SDA
H
SCL
IC501
VOUT1
L5301
SWITCHING
STEP UP
CONTROL
VDD
CIRCUIT
SW1
SW1
G
VIN8
SW4
L5041
STEP DOWN CIRCUIT
VOUT5
F
VIN5
SW6
L5061
STEP DOWN CIRCUIT
SWA2
L5021
STEP UP & DOWN
SWB2
CIRCUIT
E
VOUT2
SW3
L5031
STEP DOWN CIRCUIT
SW7
L5071
STEP UP CIRCUIT
D
LSTR7
VREG0
XIN
X3001
32.768KHz
C
XOUT
B
A
1
2
3
4
POWER CIRCUIT
20,21 SYS
EXCLKS
BSRST
PON
I2C_SDA
I2C_SCL
BOOST5.3V
4 VIN
1 VOUT
IC503
VDD5
REG
VAA2.8
CMOS1.8
VDD1.8
VDD3
VDD1.1
LCDAN
LCDCA
AL3.2V
SG415_PW_BLOCK
5
6
7
8
CHARGING CIRCUIT
CN541
3,4
UNREGST
SW3.2V
5
CHG
36
37
ZCHGDONE
FLCTL
38
IC541
TO CP1(DMA)
STROBE
CN106
CHARGE
TO DMA
9
7
9
10
11
12
C7
STROBE CIRCUIT
T5401
C5401
POWER FILTER
OSCILLATION
BLOCK
TRANSFORMER
5
10
6
Q5402
OSCILLATION
EMISSION
CIRCUIT
CONTROL
CIRCUIT
CHARGE
4
MONITOR
T5402
CIRCUIT
TRIGGER
IGBT
2
CIRCUIT
DRIVER
13
14
15
16
K
D5402
RECTIFIER
C5412
CIRCUIT
J
I
H
LIGHT EMITTING
ELEMENT
(XENON TUBE)
G
LIGHT EMISSION CIRCUIT
SG415_ST_BLOCK
F
E
D
C
B
A
17
18
19
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