Block Diagram - System Control/Power Section - Sony MZ-R501 Service Manual

MZ-R501/R501PC
6-4. BLOCK DIAGRAM — SYSTEM CONTROL / POWER SECTION —
MAIN BOARD
(3/3) SYSTEM CONTROL/POWER SECTION
AUDIO
4
RMC KEY
SECTION
(Page 31)
SDO0
AUDIO
3
SECTION
SCK0
(Page 31)
(Page 30)
CLK
SERVO
2
SECTION VREF
CN801
SDO0
12
SCK0
13
RST
14
STB
10
CS
11
XWK1
4
REC
5
SWITCH
&
RESET
LCD MODULE
SWITCH
UNIT
Q851
DVDD
8 VIF B+
PAUSE
7
SET KEY1
6
SET KEY2
3
1
2
S801
9
HOLD
S806
OPEN/CLOSE
DETECT
S803
PROTECT
DETECT
TAP801
(TEST)
VIF B+
VB B+
RMC KEY 20
FS4 86
CLK SEL 169
FFCLR 236
SLEEP 235
234
VLON
17
WK DET
REC KEY 18
HALF LOCK SW 19
S805
(HALF LOCK)
SYSTEM CONTROLLER
IC801(3/3)
VL MON 15 VL B+
L801
AVDD 21
187 LCD RST AUX
TSB MST VDD 141 VC B+
206 LCD STB
XCS LCD
205
A/D CONVERTER(IC301),
POWER CONTROL(IC601),
SYSTEM CONTROLLER(IC801),
VIF B+
SPINDLE SERVO DRIVE SWITCH(IC805)
VB B+
1
PAUSE KEY
13 SET KEY1
14 SET KEY2
VL PWM 164
165
VC PWM
XRST 8
227 XHOLD SW
170 OPEN CLOSE SW
230
PROTECT
3 XTEST
48
AUXI
10
VB MON
158 EVA
CHG MON 11
CHG GAIN 237
238
CHG
HIDC MON 16
GND SW 171
VL
L902
RF AMP(IC501),
LASER APC CIRCUIT
B+
VD
SYSTEM CONTROLLER(IC801)
B+
VIF
RF AMP(IC501),
38
MOTOR DRIVE(IC701)
VA
EEPROM(IC804),
A/D CONVERTER(IC301),
HEADPHONE AMP(IC302),
B+
SYSTEM CCONTROLLER(IC801)
B+
D908
VC
POWER CONTROL(IC601),
SYSTEM CONTROLLER(IC801)
B+
NOISE
FILTER
NOISE
FILTER
VRECO
OVER WRITE
L602
HEAD DRIVE
CIRCUIT
B+
NOISE
FILTER
VG B+
VIF B+
VC B+
32 32
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
VLO
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
VC2
PASS 45
VIF
42
REGULATOR
POWER CONTROL
VA
41
VC
VCO 36
35 REGULATOR
VC
34
INM2
SWITCH
22
L901
RF2
23
VOUT
33
INM1
26
RFI L1
SWITCHING
27 32
REGULATOR
L1
28
STEP-UP
RESET SIGNAL
XRST
46
PRE DRIVER
GENELATOR
&
VB 50
CRST DTC1
PWM
47
VRECO1 L1 1
10 SWITCHING 11 L601
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
Q903
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
D603 T901
VB
HEADPHONE AMP(IC302),
MOTOR/COIL DRIVE(IC701),
SYSTEM CONTROLLER(IC801)
B+
D902
L905
L904
D903
VG
MOTOR/COIL
DRIVER(IC551)
(IC601)
B+
D901 L903
CHARGE
D904
DRY BATTERY
SIZE " AA "
(IEC DESIGNATION)
1PC,1.5V
TH901
GROUND LINE
SWITCHING
J901
Q902
DC IN 3V
!