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ステレオシステム Sony MZ-R701のPDF サービスマニュアルをオンラインで閲覧またはダウンロードできます。Sony MZ-R701 50 ページ。 Portable memory stick audio player / portable minidisc recorder / portable cd player
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6-4. BLOCK DIAGRAM — SYSTEM CONTROL / POWER SECTION —
MAIN BOARD
(3/3) SYSTEM CONTROL/POWER SECTION
AUDIO
4
RMC KEY
SECTION
(Page 32)
SDO0
AUDIO
3
SECTION
SCK0
(Page 32)
(Page 31)
CLK
SERVO
2
SECTION
VREF
CN801
SDO0
2
SCK0
3
RST
5
STB
4
CS
6
R1027
XWK1
8
REC
12
SWITCH
&
LCD MODULE
15
UNIT
16
RESET
VIF B+
SWITCH
DVDD
VB B+
1
VIF B+
Q801
PAUSE
13
SET KEY1
10
SET KEY2
9
HOLD
11
7
14
S806
OPEN/CLOSE
DETECT
S803
PROTECT
DETECT
SL801
(TEST)
VIF B+
VB B+
R1036
RMC KEY
20
FS4
86
CLK SEL
169
FFCLR
236
SLEEP
235
234
VLON
PLAY
17
REC KEY
18
HALF LOCK SW
19
R1028
S805
(HALF LOCK)
SYSTEM CONTROLLER
IC801 (3/3)
STOP
15
L801
AVDD
21
187
LCD RST AUX
206
LCD STB
XCS LCD
205
R1040
TSB MST VDD
141
R1024
VC
1
PAUSE KEY
13
SET KEY1
VL PWM
164
14
SET KEY2
227
XHOLD SW
165
VC PWM
170
OPEN CLOSE SW
XRST
8
230
PROTECT
3
XTEST
48
AUXI
10
VB MON
CHG MON
11
CHG GAIN
237
238
CHG
16
HIDC MON
GND SW
171
R920
R1025
VL
L904
LASER APC CIRCUIT
B+
VD
SYSTEM CONTROLLER (IC801)
B+
AUDIO
5
VC B+
SECTION
VIF
A/D CONVERTER (IC301),
(Page 32)
RF AMP (IC501)
SYSTEM CONTROLLER (IC801)
V+
R1046
EEPROM (IC804)
MIC AMP
B+
(IC303)
B+
VA
A/D CONVERTER (IC301),
SYSTEM CONTROLLER (IC801)
B+
VC
REMOTE CONTROL CIRCUIT
B+
NOISE
FILTER
NOISE
FILTER
VRECO
OVER WRITE
L602
HEAD DRIVE
CIRCUIT
B+
NOISE
FILTER
VG B+
VIF B+
VC B+
33
33
VRMC
7
XWK3
4
CLK
56
CLK SEL
52
FFCLR
54
SLEEP
SYSTEM
55
VLON
CONTROL
1
XWK1
POWER CONTROL
2
IC901
XWK2
3
XWK4
5
VAIFON
53
VB
VSTB
6
VC
VL
VLD
9
10
REGULATOR
VL
11
VREF
BANDGAP
49
L2
SWITCHING
REFERENCE
12
REGULATOR
L2
16
DTC2
STEP-UP
24
PRE DRIVER
25
DTC1
&
RF2
PWM
LG
STEP-UP
18
DC/DC
VG
VDFB
19
39
CONVERTER
VD
44
VIFFB
SERIES
38
PASS
VIF
42
VC2
REGULATOR
45
VA
41
D904
VC
VCO
36
35
REGULATOR
VC
34
INM2
SWITCH
22
RF2
23
VOUT
33
INM1
26
L1
RFI
SWITCHING
27
32
REGULATOR
L1
28
STEP-UP
RESET SIGNAL
XRST
46
PRE DRIVER
GENELATOR
&
VB
50
CRST
DTC1
PWM
47
VRECO1
L1 1
L601
10
SWITCHING
11
VRECO2
L1 2
B+ SWITCH
REGULATOR
15
14
Q603
DW BT
VREC
STEP-UP DOWN
16
SWITCH
22
PRE DRIVER
DW TP
INM1
&
21
19
PWM
CHARGE
CONTROL
RF2
Q602 (2/2)
RF1
49
20
BATTERY
INM2
48
CHARGER
INP2
47
&
36 VG
POWER
REGULATOR
CONTROL
RS
46
IC601 (2/2)
8
VI0
CHG SW
CHARGE
45
26
VC2
CONTROL
9
VC
VB
CHGMON
43
CHARGE
51
BATM
MONITOR
44
VIF B+
GAIN
SYSTEM
54
DREG
CONTROL
56
CHG
55
LINE
(2/2)
DCIN
50
FILTER
D605
T601
MZ-R701/R701DPC
VB
HEADPHONE
AMP (IC302),
MOTOR/COIL
DRIVER (IC551)
B+
D902
L902
L905
D903
VG
MOTOR/COIL
DRIVER (IC551)
POWER CONTROL
(IC601)
B+
D901
L901
CHARGE
D603
RECHARGEABLE
BATTERY
(NICKEL-CADMIUM)
NC-WMAA
1.2V 1400mAh
CHARGE
CONTROL
Q602 (1/2)
TH601
GROUND LINE
SWITCHING
J601
Q601
DC IN 3V
!