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3232
MZ-B100
6-4. BLOCK DIAGRAM – MAIN Section (3/3) –
7
4
56
52
54
55
1
2
3
5
20
86
169
236
235
234
17
18
19
6
10
49
24
25
39
44
38
42
40
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
+–
164
165
8
16
214
10
216
188
208
13
14
170
205
206
187
182
230
202
227
VB
HEADPHONE AMP (IC301),
MOTOR DRIVER (IC701)
B+
POWER CONTROL
IC901
SWITCHING
REGURATOR
SYSTEM
CONTROL
BANDGAP
REFERENCE
SERIES
PASS
REGULATOR
REGURATOR
STEP-UP
DC/DC
CONVERTER
STEP-UP
PRE DRIVER
&
PWM
D903
D904
L905
VD B+
L904
VG
MOTOR/COIL
DRIVER (IC701)
B+
VL
VL
VG
LG
VC2
VC
VC
VCOUT
L1
L1
VB
L2
L2
RF2
VB
VC
VRMC
XWK3
CLK
CLK SEL
FFCLR
SLEEP
VLON
XWK1
XWK2
XWK4
VAIFON
VSTB
VLO
VREF
DTC2
DTC1
VDFB
VIFFB
VIF
VAFB
VA
VCO
INM2
INM1
RF2
RF1
XRST
CRST
DTC1
VD
D901
L502
NC
NC
RMC-KEY
REMOTE CONTROL
CIRCIT
SYSTEM CONTROL
IC801 (3/3)
RMC KEY
CLK
SDO0, SDI0, SCK0
RF AMP(IC502)
VD
SYSTEM CONTROL (IC801)
B+
VIF
A/D, D/A CONVERTER (IC301),
SYSTEM CONTROL(IC801),
EEPROM (IC804)
B+
VA
A/D, D/A CONVERTER (IC301),
SYSTEM CONTROL (IC801)
B+
SYSTEM CONTROL (IC801),
REMOTE CONTROL CIRCUIT
B+
RMC_KEY
FS4
CLK_SEL
FFCLR
SLEEP
VLON
WK_DET
REC_KEY
HALF_LOCK_SW
OPEN
S803
(HALF LOCK)
CS_RTC
VIF B+
VB B+
XCS_LCD
LCD_STB
LCD_RS_AUX
F
D
G
SDO0
SDI0
SCK0
SD0
SI0
SCK
RESET
STB
XCS_LED
CS_RTC
REC
PAUSE
REC_LED
SET_KEY_1
SET_KEY_2
DVDD
UNREG
XWK1
HOLD
S801
OFF
HOLD
VIF B+
VB B+
SWITCH & LCD MUDULE
SL801
(TEST)
S802
PROTECT
DETECT
S804
OPEN/CLOSE
DETECT
OPEN_CLOSE_SW
XGUM_ON
PROTECT
XTEST
HIDC_MON
GND_SW
VB_MON
PAUSE_KEY
REC_LED
SET_KEY_1
SET_KEY_2
XHOLD_SW
VB B+
VL_PWM
VC_PWM
XRST
RESET
SWITCH
Q802
NOISE
FILTER
NOISE
FILTER
L603
NC
L602
V_REC
OVER WRITE
HEAD DRIVE
CIRCUIT
B+
SWITCH
SWITCHING
REGULATOR
RESET SIGNAL
GENERATOR
SWITCHING
REGULATOR
CHARGE
CONTROL
CHARGE
MONITOR
REC & CHARGE
DRIVER
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
NC
NC
CHG SW
VB
BATM
DREG
DCIN
VIF
B+
D604
VC B+
VIF B+
L601
L903
D902
L901
D603
SWITCHING
Q603
CHARGE
CONTROL
Q602
LINE
FILTER
T601
CHARGE
–
+
DC IN 3V
J601
GROUND
SWITCH
Q601
TH601
DRY BATTERY
SIZE “AA”
IEC DESIGNATION
LR6
1PC. 1.5V
REGULATOR
SWITCH
225
JOG_A
JOG_A
226
JOG_B
JOG_B
228
SYNCHRO REC
S809
ERASE
S808
VOR
ON/OFF
S807
CLOCK
SET
S806
SOUND
S805
ON
OFF
XHOLD_SW
15
SET_KEY_3
SET_KEY_1
(Page 31)
(Page 30)
(Page 31)