Block Diagram -Power Supply Section - Sony D-E01 Service Manual

5-4. BLOCK DIAGRAM — POWER SUPPLY SECTION —
VCC2_ON 8
(Page 12)
(Page 12)
(Page 12)
LD
(Page 11)
B
(Page 12)
H
SLPOUT 13
XPOWLT
46
WAKE UP
SWITCH
Q409, 413
RISING TIME
VCC +2V
ADJUSTMENT
SYSTEM CONTROLLER
Q406
IC801 (1/3)
D416
LASER VOLTAGE
LIMITER
Q412
D408
CHG/HOLD
XLEDDISP
5
VCPU +2V
D-RAM
D-RAM
POWER SWITCH
(IC602) +2V
Q602
VCC_SWITCHING
6
XAPC_OFF
48
AGCCON
4
E
CHGMNT1 15
DCINMNT 20
EX_BATT
40
BATMNT 17
04
SYNC
SYNC
D
11
SDTO DATA
F
14
SCK CLOCK
G
13
CHG SW
RF4
VLG2O
67
INM4
INM2 RS
8
RF2 V IN
7
(Page 11)
PD PA PC RF21
A
3
RF2
INM2
LATCHC
15
APCREF
WAKEUP PAPC
12
RSTB MODE2
48
DTC2D
DTC1D
VCP
47
INP1
BATM1 VC
58
VCP
RF21 MODE1
2
INP1
55
VLG1O
59
WAKEUP
MODE2
LATCHC
50
DATA
VC
46 CLOCK
MODE1
49
APCREF CLOCK
4
(Page 12)
CHGMNT
56
– 15 –
POWER CONTROL
IC401 (1/2)
BATM1
CHARGING BATTERY
VOLTAGE DETECTOR
CIRCUIT
CHGMNT
LINEAR
CONSTANT CURRENT,
CONSTANT VOLTAGE
CHARGING BATTERY
CHARGE CIRCUIT
SAWTOOTH
WAVEFORM
OCCURRENCE
CIRCUIT
SWITCHING
POWER
CIRCUIT 2
VLG2O
SWITCHING
UP SIDE
POWER
PRE-DRIVER
VLG1O
CIRCUIT 1
LENEAR
REGULATOR
DC IN
SYSTEM
CONTROL,
INPUT/OUTPUT
VG
VG
POWER L4
CIRCUIT
LOW
VOLTAGE
DETETOR
D410
+3V POWER
VCC 2V
SWITCH
Q401, 405
DTC2D
51
LOW BATTERY
D411
DETECTOR
DTC1D
VG
C
52 IC404
(Page 11)
3 2
BATM2
57
+3V,
SPINDLE MOTOR
DRIVER (IC402) +3V,
HEADPHONE
AMP (IC351) +3V
VG
9
D402
L4
6
CHARGE
D406
DC IN
RF4
44 REGULATOR
Q403, 404
INM4
43
D401
DC IN
45
CHARGE
RS
42
SWITCH
Q402, 807
CHGSW
41
V IN
63
EXT BATTERY
SWITCH
Q408
– 16 –
D-E01/EJ01
D404
VCC +3V
SWITCH
Q414
RECHARGEABLE
BATTERY
NH-14WM
DC 1.2V x 2
1400mAh
J401
EXT BATT
DC IN 4.5V
+
–