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6-3. BLOCK DIAGRAM — POWER SUPPLY SECTION —
VCC2_ON
8
(Page 15)
(Page 15)
(Page 15)
LD
(Page 14)
B
(Page 15)
H
(Page 14)
SLPOUT
13
XPOWLT
46
WAKE UP
SWITCH
Q409
RISING TIME
VCC +2V
ADJUSTMENT
SYSTEM CONTROLLER
Q406
IC801 (1/3)
LASER VOLTAGE
LIMITER
Q412
VCPU +2V
D-RAM
D-RAM
POWER SWITCH
(IC602) +2V
Q602,603
VCC_SWITCHING
6
XAPC_OFF
48
AGCCON
4
(Page 15)
E
CHGMNT1
15
DCINMNT
20
BATMNT
17
04
– 17 –
SYNC
SYNC
D
11
DATA
SDTO
F
14
SCK
CLOCK
G
13
CHG SW
VLG2O
RF4
67
INM4
CONSTANT CURRENT,
INM2
RS
CONSTANT VOLTAGE
8
CHARGING BATTERY
RF2
V IN
7
PA PC
RF21
PD
A
3
RF2
LATCHC
INM2
15
APCREF
PAPC
WAKEUP
12
RSTB
MODE2
48
DTC2D
VCC1
DTC1D
47
INP1
BATM1
VC
58
VCC1
RF21
MODE1
2
INP1
55
VLG1O
59
WAKEUP
MODE2
LATCHC
50
DATA
VC
46
CLOCK
MODE1
49
CLOCK
APCREF
4
CHGMNT
56
POWER CONTROL
IC401 (1/2)
BATM1
CHARGING BATTERY
VOLTAGE DETECTOR
CIRCUIT
CHGMNT
LINEAR
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
+3V POWER
SWITCH
Q401, 405
DTC2D
51
LOW BATTERY
D411
DETECTOR
DTC1D
VG
C
52
IC404
(Page 14)
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, 407
CHGSW
41
V IN
63
– 18 –
D-SJ01
D404
VCC +3V
SWITCH
Q414
RECHARGEABLE
BATTERY
(NICKEL-METAL)
NC-WMAA
1.2V x 2
700mAh
J401
DC IN 4.5V
–
+
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