Sony Ericsson NWZ-A826K - Manual (Page 33)

NWZ-A826/A826K/A828/A828K/A829
33
IC901 MAX8671CETL+TG069
– SW Board –
IC801 TPS60231RGTR
35
SYS
REF
1 USUS
2 DC
Li+/Li-PoLY
BATTERY
CHARGER &
SYSTEM LOAD
SWITCH
SMART
POWER
SELECTOR
SMART
POWER
SELECTOR
& CHARGER
BIAS
36
PEN1
37
CST2
38
/UOK
39
CST1
40
PEN2
41
EP
31
CISET
32
CT
33
THM
12
/DOK
17
BVSET
13
REG3L
19
FB1
18
GND
30 DISET
29 FB3
28 VL
27 PV3
26 LX3
25 PG3
24 PG1
23 LX1
22 PV1
21 SSKP
4 FB5
5 PV5
6 OUT5
7 PG2
8 LX2
9 PV2
20
EN
16
PV4
15
OUT4
14
BP
11
FB2
3 USB
34
BA
T
10 /CEN
3.3V LOW
DROPOUT
HIGHEST
VOLTAGE
SELECTOR
REG1 DC-DC
CONVERTER
REG3 DC-DC
CONVERTER
REG4 LOW
DROPOUT
REG5 LOW
DROPOUT
REG2 DC-DC
CONVERTER
14
GND
15
EN1
16
EN2
13
VIN
11 C1−
12 C2−
10 C1+
9 C2+
2 NC
1 ISET
3 NC
4 D3
6
D1
5
D2
8
VOUT
7
PGND
CHARGE
PUMP CURRENT
SINKS
CONTROL
REFERENCE
IC903 TK63118BCB-G
OVER CURRENT
THERMAL &
PROTECTION
CONTROL
ON / OFF
REGULATOR
VOLTAGE
B1 VOUT
VCONT
GND A1
REFERENCE
A2
B2
VIN