Block Diagram - System Control/Power Section - Sony MZ-R500PC Service Manual

MZ-R500/R500PC
6-4. BLOCK DIAGRAM — SYSTEM CONTROL / POWER SECTION —
MAIN BOARD
(3/3) SYSTEM CONTROL/POWER SECTION
AUDIO
4
RMC KEY
SECTION
(Page 37)
SDO0
AUDIO
3
SECTION
SCK0
(Page 37)
(Page 36)
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),
MOTOR DRIVE(IC701)
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
16
HIDC MON
GND SW 171
7
4
56
52
54
55
1
2
3
5
53
6
VL
L902
RF AMP(IC501),
10
LASER APC CIRCUIT
B+
49
24
25
39
VD
SYSTEM CONTROLLER(IC801) 44
B+
VIF
RF AMP(IC501),
38
42
VA
EEPROM(IC804),
A/D CONVERTER(IC301),
HEADPHONE AMP(IC302),
41
B+
SYSTEM CCONTROLLER(IC801)
B+
D908
VC
POWER CONTROL(IC601),
35
SYSTEM CONTROLLER(IC801)
B+
22
NOISE
23
FILTER
26
NOISE
27
FILTER
46
47
VRECO
10
OVER WRITE
L602
HEAD DRIVE 15
CIRCUIT
B+
16
19
NOISE
20
FILTER
VG B+ 36 VG
VIF B+ 8
26
VC B+
9
51
54
55
38 38
VRMC
XWK3
CLK
CLK SEL
FFCLR
SLEEP
SYSTEM
VLON
CONTROL
XWK1
POWER CONTROL
IC901
XWK2
XWK4
VAIFON
VB
VSTB
VC
VL
VLO
9
REGULATOR
VL
11
D902
VREF
BANDGAP
L2
SWITCHING
REFERENCE
12
REGULATOR
L2
16
DTC2 STEP-UP
PRE DRIVER
DTC1 &
RF2
PWM LG
STEP-UP
18
DC/DC
VG
VDFB
19
CONVERTER
VD
VIFFB
SERIES
VC2
PASS 45
VIF
MOTOR/COIL
REGULATOR
DRIVER(IC551)
POWER CONTROL
VA
VC
VCO 36
REGULATOR
VC
34
INM2
SWITCH
L901
RF2
D901
VOUT
33
INM1
L1
RFI SWITCHING
32
REGULATOR
L1
28
STEP-UP
RESET SIGNAL
XRST
PRE DRIVER
GENELATOR
&
VB 50
CRST DTC1
PWM
VRECO1 L1 1
SWITCHING 11 L601
VRECO2
L1 2 B+ SWITCH
REGULATOR
14
Q603
DW BT
VREC STEP-UP DOWN
SWITCH 22
PRE DRIVER
DW TP
INM1
&
21
PWM
CHARGE
CONTROL
RF2
Q903
RF1
49
BATTERY INM2
48
CHARGER
INP2
47
&
POWER
REGULATOR
CONTROL RS
46
IC601(2/2)
VI0
CHG SW
CHARGE
45
VC2
CONTROL
VC
VB
CHGMON 43
CHARGE
BATM
MONITOR 44
VIF B+
GAIN
SYSTEM
DREG
CONTROL 56
CHG
LINE
(2/2)
DCIN 50
FILTER
D603 T901
GROUND LINE
SWITCHING
VB
HEADPHONE AMP(IC302),
MOTOR/COIL DRIVE(IC701),
SYSTEM CONTROLLER(IC801)
B+
L905
L904
D903
VG
(IC601)
B+
L903
CHARGE
D904
DRY BATTERY
SIZE " AA "
(IEC DESIGNATION)
1PC,1.5V
TH901
J901
Q902
DC IN 3V
!