Filter
Top Products
MZ-G750/R700
37 37
187
206
205
1
13
14
227
170
230
3
48
10
20
86
10
25
169
236
235
234
17
18
19
S805
(HALF LOCK)
15
21
141
164
165
8
11
39
36
12
34
32
50
33
4
7
56
54
52
55
1
3
2
5
53
5
3
4
6
8
12
15
2
13
1
10
9
11
7
14
16
MAIN BOARD (3/3) SYSTEM CONTROL/POWER SECTION
SDO0
SCK0
AUDIO
SECTION
3
RMC KEY
AUDIO
SECTION
6
X MIC DET
AUDIO
SECTION
VC B+
V+
MIC AMP
(IC303)
B+
AUDIO
SECTION
CLK
VREF
SERVO
SECTION
2
4
5
RESET
SWITCH
Q801
SWITCH
&
LCD MODULE
UNIT
MIC
DETECT
Q1008
DC-DC
CONVERTER
IC1006
VIF B+
VB B+
CONVERTER
IC1003
VOLTAGE
DETECT
IC1005
VOLTAGE
DETECT
IC1004
VRECO
OVER WRITE
HEAD DRIVE
CIRCUIT
B+
VOLTAGE
DETECT
IC1002
10 11
15 14
SWITCHING
REGULATOR
B+ SWITCH
Q603
BATTERY
CHARGER
&
REGULATOR
CHARGE
CONTROL
CHARGE
MONITOR
SYSTEM
CONTROL
(2/2)
STEP-UP DOWN
PRE DRIVER
&
PWM
SWITCH
54
51
55
237
238
16
171
22
21
49
48
45
47
46
43
44
56
50
BANDGAP
REFERENCE
SERIES
PASS
REGULATOR
SWITCHING
REGULATOR
REGULATOR
SWITCHING
REGULATOR
STEP-UP
PRE DRIVER
&
PWM
RESET SIGNAL
GENELATOR
STEP-UP
DC/DC
CONVERTER
REGULATOR
9
11
18
19
16
SWITCH
35
22
23
26
27
46
47
NOISE
FILTER
NOISE
FILTER
NOISE
FILTER
20
8
26
9
19
16
24
STEP-UP
PRE DRIVER
&
PWM
LINE
FILTER
T601
RMC KEY
FS4
FFCLR
SLEEP
VLON
WK DET/PLAY(G750)
REC KEY
HALF LOCK SW
VL MON/STOP(G750)
AVDD
LCD RST AUX
LCD STB
XCS LCD
PAUSE KEY
SET KEY1
SET KEY2
XHOLD SW
OPEN CLOSE SW
PROTECT
XTEST
AUXI
VB MON
TSB MST VDD
VL PWM
VC PWM
XRST
CHG MON
CHG GAIN
CHG
HIDC MON
GND SW
CLK SEL
R1029
R1025
R1028
R1036
R700
R700
R700
R920
G750
G750
Q1007
R700
G750
L801
D1003
Q1009
D1002
Q1010
VB
VG
VC
VC
VB
R1040
R1024
R1046
Q1001
L1002 L1001 D1001
D1004
Q1003
Q1004
Q1002
Q1006
Q1005
R700
R700
G750
G750
S806
OPEN/CLOSE
DETECT
S803
PROTECT
DETECT
SL801
(TEST)
VIF B+
VB B+
CN801
SDO0
SCK0
RST
STB
CS
XWK1
REC
PLAY
STOP
HOLD
DVDD
PAUSE
SET KEY1
SET KEY2
VIF B+
R1027
R1031
R1032
R700
G750
6
VL
LASER APC CIRCUIT
B+
L904
CLK
CLK SEL
FFCLR
SLEEP
VLON
XWK1
XWK2
XWK4
VAIFON
VSTB
VLD
VREF
DTC2
DTC1
VDFB
VD
VIFFB
VIF
VA
VCO
INM2
RF2
INM1
RFI
XRST
CRST
VRECO1
VRECO2
VREC
INM1
RF1
VI0
VC2
VC
GAIN
CHG
CHGMON
VB
VC
VRMC
XWK3
SYSTEM
CONTROL
POWER CONTROL
IC901
44
42
41
38
RF2
VC2
VC
VC
VOUT
L1 1
L1 2
DW BT
DW TP
RF2
INM2
INP2
RS
CHG SW
VB
BATM
DREG
DCIN
L1
L1
VB
VG
LG
L2
L2
VL
VL
45
D902
D903
L902
L905
VB
HEADPHONE
AMP(IC302),
MOTOR/COIL
DRIVER(IC551)
B+
L901D901
L601
VG
MOTOR/COIL
DRIVER(IC551)
POWER CONTROL
(IC601)
B+
28
CHARGE
CONTROL
Q602(2/2)
VIF B+
D605
D603
CHARGE
CHARGE
CONTROL
Q602(1/2)
TH601
GROUND LINE
SWITCHING
Q601
VIF B+
36
VG
VG B+
VC B+
L602
POWER
CONTROL
IC601(2/2)
SYSTEM CONTROLLER
IC801(3/3)
DTC1
D904
VIF
A/D CONVERTER(IC301),
RF AMP(IC501)
SYSTEM CONTROLLER(IC801)
EEPROM(IC804)
B+
VA
A/D CONVERTER(IC301),
SYSTEM CONTROLLER(IC801)
B+
VC
REMOTE CONTROL CIRCUIT
B+
VD
SYSTEM CONTROLLER(IC801)
B+
RECHARGEABLE
BATTERY
(NICKEL-CADMIUM)
NC-WMAA
1.2V 1400mAh
J601
DC IN 3V
!
49
6-4. BLOCK DIAGRAM — SYSTEM CONTROL / POWER SECTION —
(Page 36)
(Page 36)
(Page 35)
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