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MZ-N1
3232
6-3. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
7
4
56
52
54
55
1
2
3
5
116
211
64
89
88
85
113
114
115
10
49
24
25
42
41
35
22
23
26
46
47
50
28
32
34
11
14
10
15
22
16
19
20
51
54
55
21
8
9
26
49
47
46
45
43
44
56
50
48
33
36
45
18
19
16
12
11
9
27
53
+–
30
31
104
29
107
90
91
112
66
106
70
82
61
109
110
67
68
102
48
146
VB
HEADPHONE AMP (IC302),
MOTOR/COIL DRIVER (IC551)
B+
POWER CONTROL
IC901
SWITCHING
REGURATOR
SYSTEM
CONTROL
BANDGAP
REFERENCE
SERIES
PASS
REGULATOR
REGURATOR
STEP-UP
DC/DC
CONVERTER
STEP-UP
PRE DRIVER
&
PWM
D902
D903
L902
L905
VG
MOTOR/COIL
DRIVER (IC551)
B+
VL
VL
VG
LG
VC2
VGFB
VC
VC
VCOUT
L1
L1
VB
6
L2
L2
RF2
VRMC
XWK3
CLK
CLK SEL
FFCLR
SLEEP
VLON
XWK1
XWK2
XWK4
VAIFON
VLO
VREF
DTC2
DTC1
VIF
VA
VCO
INM2
INM1
RF2
RF1
XRST
CRST
DTC1
D904
L904
L906
L907
SYSTEM CONTROLLER
IC801 (3/3)
RMC KEY
CLK
SDO0, SDI0, SCK0
VL
LASER APC CIRCUIT
B+
RMC KEY
FS4
CLK SEL
FFCLR
SLEEP
VLON
WK DET
REC KEY
HALF LOCK SW
OPEN
S806
CS RTC
VA B+
VB B+
XCS LCD
LCD STB
LCD RST
F
D
E
SDO0
SDI0
SCK0
SD0
SI0
SCK
RST
STB
CS
CS RTC
REC
PAUSE
REC LED
SET KEY 1
SET KEY 2
DVDD
BACKUP
UNREG
XWK1
+
VA B+
VB B+
SWITCH & LCD
MUDULE
SL801
(TEST)
S803
RECHARGEABLE
BATTERY IN
DETECT
XGUM ON
XTEST
CHG MON
CHG GAIN
CHG CTL
HIDC MON
GND SW
111VBUS DET
105STAND DET
VB MON
PAUSE KEY
REC OPR LED
SET KEY 1
SET KEY 2
VB B+
VL PWM
VC PWM
XRST
VREC PWM
RESET
SWITCH
Q801
NOISE
FILTER
NOISE
FILTER
NOISE
FILTER
L603
L602
VREC
OVER WRITE
HEAD DRIVE
CIRCUIT
B+
SWITCH
SWITCHING
REGULATOR
RESET SIGNAL
GENERATOR
SWITCHING
REGULATOR
CHARGE
CONTROL
CHARGE
MONITOR
POWER
CONTROL
IC601 (2/2)
STEP-UP DOWN
PRE DRIVER
&
PWM
STEP-UP
PRE DRIVER
&
PWM
BATTERY
CHARGER
&
REGULATOR
SYSTEM
CONTROL
(2/2)
VRECO1
VRECO2
VREC
INM1
RF1
CHGMON
GAIN
CHG
L1 1
L1 2
DW BT
DW TP
VIO
VC2
VC
RF2
INM2
INP2
RS
CHG SW
VB
BATM
DREG
DCIN
VIF
B+
VC B+
VIF B+
L601
D901
D603
B+ SWITCH
Q603
CHARGE
CONTROL
Q602 (2/2)
CHARGE
CONTROL
Q602 (1/2)
LINE
FILTER
T601
CHARGE
RECHARGEABLE
BATTERY
NH-14WM
1.2V 1350mAh
–
+
DC IN 3V
J601
GROUND
LINE
SWITCHING
Q601
TH601
TH602
(BATTERY CASE)
DRY BATTERY
SIZE “AA”
IEC DESIGNATION
R6
1PC. 1.5V
REGULATOR
SWITCH
36
VG
VG B+
79
JOG B
JOG B
78
JOG A
JOG A
11
12
13
15
9
8
16
5
3
2
6
4
17
7
19
10
14
18
98
CHG LED
CHG LED
20
D804
D803
L901
20
39
S804
OPEN/CLOSE
DETECT
OPEN CLOSE SW
77
HOLD
S801
OFF
HOLD
XHOLD SW
39
VOFB
B+ SWITCH
Q902
DC/DC
CONVERTER
D905, IC902, Q901
VC B+
VG B+
B+ SWITCH
Q904, 905
B+ SWITCH
Q907
B+ SWITCH
Q903
VB B+
VA
ADC (IC301),
SYSTEM CONTROLLER
(IC801) B+
VC
HEADPHONE AMP (IC302),
MIC AMP (IC303),
SYSTEM CONTROLLER (IC801),
REMOTE CONTROL CIRCUIT
B+
VIF
ADC (IC301),
RF AMP (IC501),
MOTOR/COIL DRIVER (IC551),
SYSTEM CONTROLLER (IC801),
EEPROM (IC802, 803) B+
SWITCHING
Q906
VG B+
VD
SYSTEM CONTROLLER
(IC801) B+
32VD PWM
VCOUT
SYSTEM CONTROLLER
(IC801) B+
WAKE UP
SWITCH
Q607
VOLTAGE
DETECTOR
IC603
VRECO
OVER WRITE HEAD
DRIVE (IC601) B+
B+ SWITCH
Q804
USBIFVDD
SYSTEM CONTROLLER
(IC801) B+
VA B+
D604
1
2
3
6
DC-IN
VBUS REG
VB
GND
D612
USB CRADLE
DETECT
B+ SWITCH
Q908, 909
SWITCHING
Q910, 911
VOLTAGE
DETECTOR
IC903
CN601 (2/2)
USB CRADLE
CONNECTOR
L903
97 T MARK SW
T MARK
S805
83
S802
PROTECT
DETECT
PROTECT
L801
VB
VC
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