Sony D-EJ1000 - Block Diagram - Power Supply Section

1212
D-EJ1000
5-3. BLOCK DIAGRAM – POWER SUPPLY SECTION –
IC402
REG
AVDD
LINEAR
CONSTANT CURRENT,
CONSTANT VOLTAGE
CHARGING BATTERY
CHARGE CIRCUIT
CHARGING BATTERY
VOLTAGE DETECTOR
CIRCUIT
PRE-DRIVER
SWITCHING
POWER
CIRCUIT
Q418
B+
SWITCH
Q403
CHARGE
SWITCH
Q406, 415
CHARGE
CONTROL
Q421, 422
B+
SWITCH
Q405
RIPPLE
FILTER
Q412
CHARGE GND
SWITCH
Q407
STAND ON
DETECT
Q414
EXTERNAL BATTERY
DETECT
SWITCHING
POWER
CIRCUIT
LENEAR
REGULATOR
INTERFACE
VG
POWER
CIRCUIT
CLK
OR OSC
45
46
43
48
65
42
CHG SW
RF1
INM1
RF41
RF41
RF4
RF4
VCC1
VCPU
VLG3
VCPU
VCC1
INM4
INM4
APCREF
APCREF
PAPC
PA PC
WAKE
LATCH
DATA
CLOCK
DATA
CLOCK
VLGO4
SYNC
14
13
69
6
5
3
12
16
51
15
57
53
2
56
61
50
7
73
58
11
MSDTO
MSCK
PD
66
LD
D
F
E
B
A
SYNC
DTC2D
DTC1D
INP1
INP2
RS1
DC IN
V IN
VCC3
RF1
INM1
RS1
CHGSW
V IN
DC IN
VCC3
LATCH
DTC2D
STNG
WAKE
VLGO2
BATM1
BATM2
BATM2
CHGMNT
CHGMNT
VLGO4
VLGO2
VLG3
VG
L5
9
8
VG
L5
BATM1
RSTB
XWAKE
8
RESET
75
XPOWLT
7
BATVCC ON
21
AD CHGMNT1
27
AD DCINMNT
33
EXBATT
29
EXTVCC1
37
XSTAND ON
76
CHGGND ON
22
AD BATMNT
80
LEDDISP
70
AGCPWM
IC801 (3/3)
SYSTEM CONTROLLER
VCC1 2V
49
VDRAM
10
VDRAM
VCPU 2V
VCC2
D801
75
VCC3
D405
D403
RECHARGEABLE
BATTERY
NH-14WM
2PCS. 2.4V
SPINDLE MOTOR
DRIVER (IC404) 3V
DC IN 4.5V
–
+
J401 (1/2)
J401 (2/2)
EXT BATT
VG
C
IC403 (2/2)
POWER CONTROL
78
RF3
SAW
GEN.
Q416
BATT
SWITCH
Q417
SWITCH
Q419
SWITCH
Q420
SWITCH
60
D404
D802
59
(CHARGE STAND)
CHARGE
(CHARGE)
D401