Block Diagram - Display/Key Control/Power Supply Section - Sony MZ-S1 Service Manual

MZ-S1
6-3. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
CLK
D
(Page 32)
SWITCH MUDULE
SET KEY 1 109 SET KEY 1
PAUSE 82 PAUSE KEY
XWK1
SYSTEM CONTROLLER,
DIGITAL SIGNAL
PROCESSOR,
16M BIT D-RAM
SDO0, SCK0
E
(Page 33)
SDO0
SD0
SCK0
SCK
RESET 102 LCD RST
STRB 68 LCD STB
CP SLCT
67 XCS LCD
XWK1
REC
RESET
VIF B+
SWITCH
VB B+
Q801
SE1 KEY 2
110 SET KEY 2
DVDD
VIF B+
SWITCH & LCD MUDULE
S801
HOLD
77 XHOLD SW
HOLD
OFF
S806
39 OPEN CLOSE SW
OPEN/CLOSE
DETECT
S803 83 PROTECT
PROTECT
DETECT
SL801 146 XTEST
(TEST)
BATT −
F
(Page 33)
RMC KEY 116
FS4 211
CLK SEL
64
FFCLR 89
SLEEP 88
VLON 85
WK DET 113
REC KEY
114
HALF LOCK SW 115
S805
HALF
LOCK
IC801 (3/3)
SUSPEND 131
D804
VL PWM 30
VC PWM 31
XRST 104
VREC PWM 29
WAKE UP SWITCH
Q610
VOLTAGE
DETECTER
IC604
HIDC MON 112
GND SW 66
VB MON 106 VB B+
L701
DC/DC CONVERTER
USBIFVDD 132
D703, IC702, Q704
VBUS DET 111
VOLTAGE
SWITCHING
DETECT
Q706
Q703
VRMC
7
XWK3
4
CLK
56
CLK SEL
52
FFCLR
54
SLEEP
55 SYSTEM
VLON
CONTROL
1
XWK1
2
XWK2
3
XWK4
5
VAIFON
53
VL
L904
VLO
RF AMP (501)
10
LASER APC CIRCUIT
B+
VREF
BANDGAP
49
REFERENCE
STEP-UP
DTC2
24 PRE DRIVER
RF2
25 DTC1
PWM
VDFB
39
VD
VD
SYSTEM CONTROLLER (IC801) 44
B+
VIF
VIFFB
SERIES
38
A/D CONVERTER (IC301),
VIF PASS
SYSTEM CONTROLLER (IC801), 42
REGULATOR
EEPROM (IC804)
B+
VAFB
VA
40
VA
A/D CONVERTER (IC301),
41
SYSTEM CONTROLLER (IC801)
B+
D904
VC
RF AMP (IC501),
VCO
MOTOR/COIL DRIVER (IC551),
35
REMOTE CONTROL CIRCUIT
B+
SWITCH
INM2
22
RF2
NOISE
23
FILTER
INM1
26
NOISE RF1
27
FILTER
XRST
RESET SIGNAL
46
GENERATOR
CRST
DTC1
47
VRECO
OVER WRITE HEAD DRIVE
VRECO1
10
(IC601) B+ L602
VRECO2
15
VREC
VREC
OVER WRITE HEAD DRIVE 16 SWITCH
CIRCUIT B+
INM1
19
– +
RF1
NOISE
20
FILTER
POWER
CONTROL
IC601 (2/2)
B+ SWITCH
VB B+ VA B+
Q701
USB
ON/OFF SWITCH
Q705
D701
34 34
HEADPHONE AMP (IC302),
MOTOR/COIL DRIVER (IC551)
POWER CONTROL
IC901
VL
9
REGURATOR
VL
11
D902 L902
L2
SWITCHING
12
REGURATOR L2
16 VG
MOTOR/COIL
&
DRIVER (IC551)
D903
B+
VG
STEP-UP
19
DC/DC
LG
18
CONVERTER
VC2
45
VC
36
REGULATOR VC
34
L901
VOUT
33
D901
SWITCHING L1
32
REGULATOR
L1
28
B+ SWITCH
VB
50
Q903, 904
STEP-UP
VOLTAGE
PRE DRIVER
DETECTOR
& VB VSTB
SWITCHING
IC902
6
PWM
Q901, 902
VC
L1 1
L601
SWITCHING 11
L1 2 B+ SWITCH
REGULATOR
14
Q603
STEP-UP DOWN
DW BT
22
PRE DRIVER
DW TP
& 21
PWM
VIO
8 VIF B+
VC2 26
VC 9 VC B+
B+ SWITCH
VG 36 VG B+
Q611
RF2
49
INM2
REGULATOR 48
INP2
REGULATOR 47
VB 43
SYSTEM
DREG VIF
CONTROL 56
B+
(2/2)
LINE
50 FILTER
DCIN
T601
VB
B+
L905
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
1PC. 1.5V
D603
VBUS
1
CN701 (2/2)
(USB CONNECTOR)
GND
5
TH601
J601
DC IN 3V
– +
GROUND
LINE
SWITCHING
Q601