Block Diagram -Power Supply Section - Sony D-NE509 Service Manual

5-4. BLOCK DIAGRAM — POWER SUPPLY SECTION —
L7
VCC3 11
(+2.6V)
L7
10
VLGO2
16
CHGMHT
NC 67
VCC2
18
VCC2
(+2.0V)
VCPU
VCPU(+2V) 19
VCCO
20
VCC1
VCC1
17
(+2.2V)
SYNC SYNC
(Page 15) D
34
WAKEUP
37
SDTO DATA
(Page 15) B
39
SCK CLOCK
(Page 15) C
38
LATCH
40
RSTB
35
VREF
26
(Page 15) E
POWER CONTROLLER
IC403 (2/2)
SWITCHING
POWER
CIRCUIT 3
VIN
SWITCHING
12
POWER
CIRCUIT 2
MONITOR BATM1
NC
68
AMP
BATM2
69
CHGSW
CONTROL
65
NC
CHARGE
CHG ON/OFF
RS
63
NC
RF4
62
DCIN
DCIN
61
CLK SAW
& OSC GENERATOR
L5
SWITCHING
8
INTERFACE
POWER VG
9 +VG
VG
STANDBY
AMP
REFERENCE
BIAS
BANDGAP
REFERENCE
(VREF)
30
90 PWRLAT_O
32 XWAK
SYSTEM CONTROLLER
IC801 (3/3)
17 17
B+ +3V
FOCUS/TRACKING COIL DRIVER
SPINDLE/SLED MOTOR DRIVER
(IC403) +3V,
HEADPHONE AMP
(IC301) +3V
B+
(IEC DESIGNATION LR6)
B-
D405
CHARGE
SWITCH
Q402
L401
L404
95 92
D-NE590
DRY BATTERY
SIZE "AA"
2PCS,3V
J401
DC IN 4.5V
!