Sony NWZ-A816 MP3 Player User Manual


 
29
NW-A805/A806/A808/NWZ-A815/A816/A818
IC901 MAX8677AETG
IC903 MAX1557ETB
VOLTAGE REGULATOR
CURRENT-LIMITED
SETTING
CURRENT
CHARGER THERMAL
INPUT LIMITER &
REGULATION
VOLTAGE
INPUT
MONITOR
LOAD SWITCH
SYSTEM
CHARGER
LITHIUM BATTERY
2
DC
1
/DONE
3
DC
4
/CEN
5
PEN1
6
PEN2
7
PSET
8
VL
9
GND
10
CT
11
ISET
12
THM
24
/FLT
25
GND
23
/UOK
22
/DOK
21
SYS
20
SYS
19
/CHG
18
BAT
17
BAT
16
USB
15
USB
14
TSET
13
USUSS
COMPARATOR
CURRENT-LIMIT
COMPARATOR
PWM
COMPARATOR
SLOPE
SENSE
CURRENT
AMPLIFIER
ERROR
PROTECTION
SHORT-CIRCUIT
DETECT
ZERO-CROSS
1.25V
REFERENCE
VOLTAGE
OUTPUT
SELECTOR
AUTO SKIP
PWM
CONTROL
ENTER SKIP/
SKIP-OVER
SR OFF
BIAS
CLOCK
1MHZ
0.675V
10
D1
9
INP
8
LX
7
PGND
6
D2
1
IN
2
GND
3
SS
4
OUT
5
XSHDN
11
PGND
DRIVER