04
LINEAR
CONSTANT CURRENT,
CONSTANT VOLTAGE
CHARGING BATTERY
CHARGE CIRCUIT
CHARGING BATTERY
VOLTAGE DETECTOR
CIRCUIT
SAWTOOTH
WAVEFORM
OCCURRENCE
CIRCUIT
UP SIDE
PRE-DRIVER
SWITCHING
POWER
CIRCUIT 2
WAKE UP
SWITCH
Q408
RISING TIME
ADJUSTMENT
Q401, 411
DC IN
REGULATOR
Q401,402,404
SWITCHING
POWER
CIRCUIT 1
LINEAR
REGULATOR
SYSTEM
CONTROL,
INPUT/OUTPUT
VG
POWER
CIRCUIT
LOW
VOLTAGE
DETECTOR
CLOCK
59
53
54
47
48
46
49
65
45
CHG SW
RF4
INM4
RF21
RF2
RF21
VCPU
VC PU
VCC1
VCC1
INM2
INM2
APCREF
APCREF
PAPC
PA PC
WAKEUP
LATCH
DATA
CLOCK
DATA
CLOCK
RF2
SYNC
10
9
3
4
77
78
8
52
51
60
11
57
61
46
79
58
7
SDTO
SCK
PD
13
LD
D
C
E
B
A
SYNC
DTC2D
DTC2D
DTC1D
DTC1D
INP1
INP1
RS
DC IN
V IN
RF4
INM4
RS
CHGSW
V IN
DC IN
VLGO2
69
LATCH
WAKEUP
VLG01
BATM1
BATM1
BATM2
CHGMNT
CHGMNT
VLG02
VLG01
VG
L4
5
2
VG
L4
RSTB
WAKEUPO
46
XPOWLTO
78
RESETI
15
ADCHGMNT
20
ADDCINMNT
17
ADBATMNT
48
XAPC OFF 0
SYSTEM CONTROLLER
IC801 (1/3)
VCC +2.5V
VCPU +2V
+2V
D406
D401
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION)
2PCS. 3V
+3V (IC302, 401)
DC IN 4.5V
–
+
POWER CONTROL
IC401 (1/2)
J401
REG
IC403
POWER
CONTROL
Q406
PICK-UP
POWER CONTROL
Q403, 405
D807
– 13 –
– 14 –
D-E200/E201/E206CK/E251
5-3. BLOCK DIAGRAM — POWER SUPPLY SECTION —
(Page 10)
(Page 10)
(Page 11)
(Page 11)
(Page 11)
