Block Diagram - Display/Key Control/Power Supply Section - Sony MZ-R910 Service Manual

MZ-R910
6-4. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
RMC KEY
(Page 47) F
CLK
(Page 46) D
HALF LOCK SW
D803
S803
48 XGUM ON
RECHARGEABLE
BATTERY IN
D804
DETECT
SYSTEM CONTROLLER
IC801
SDO0, SDI0, SCK0
(Page 47) E
11 SDO0
SD0
12 SDI0
SI0
13
SCK0
SCK
15
RST
102 LCD RST
9
STB
68 LCD STB
8
CS
67 XCS LCD
16
CS RTC
70 CS RTC
5
XWK1
3
REC
RESET
VA B+
SWITCH
VB B+
Q801
2
PAUSE
82 PAUSE KEY
6
REC LED
61 REC OPR LED
4
SET KEY 1
109 SET KEY 1
17
SET KEY 2
110 SET KEY 2
7
JOG A
78 JOG A
19
JOG B
79 JOG B
VREC PWM
10
BACKUP
+
14
DVDD VA B+
18
UNREG VB B+
SWITCH & LCD MUDULE
S801
HOLD 77 XHOLD SW
OFF
HOLD
S804
39 OPEN CLOSE SW
OPEN/CLOSE
DETECT
S802 83 PROTECT
PROTECT
DETECT
SL801 146 XTEST
(TEST)
RMC KEY 116
FS4 211
CLK SEL
64
FFCLR 89
SLEEP
88
VLON 85
WK DET 113
REC KEY 114
115
S806
OPEN
SWITCHING
Q906
VIF
(3/3)
ADC (IC301),
B+ SWITCH
RF AMP (IC501),
MOTOR/COIL DRIVER (IC551), Q907
SYSTEM CONTROLLER (IC801),
EEPROM (IC802, 803) B+
VD
B+ SWITCH
SYSTEM CONTROLLER
Q903
(IC801) B+
VD PWM 32
VL PWM 30
VC PWM 31
XRST 104
29
CHG MON 107
CHG GAIN 90
CHG CTL 91
HIDC MON 112
GND SW 66
VB MON 106 VB B+
VRMC
7
XWK3
4
CLK
56
CLK SEL
52
FFCLR
54
SLEEP
55
VLON
1
XWK1
2
XWK2
3
XWK4
5
VAIFON
53
VL L904
VG B+ VLO
LASER APC CIRCUIT
10
B+
VREF
49
DTC2
24
25 DTC1
VB B+
VC B+ L906
B+ SWITCH B+ SWITCH
VG B+
Q904, 905 Q902
L907 DC/DC
VIF
CONVERTER 42
D905, IC902, Q901
VA
ADC (IC301),
VA
41
SYSTEM CONTROLLER
(IC801) B+ D904
VOFB
39
VC
HEADPHONE AMP (IC302),
MIC AMP (IC303), L903
VCO
SYSTEM CONTROLLER (IC801), 35
REMOTE CONTROL CIRCUIT
B+
INM2
22
NOISE RF2
23
FILTER
INM1
26
NOISE RF1
27
FILTER
XRST
46
VRECO
CRST
47
OVER WRITE HEAD
DRIVE (IC601) B+
VRECO1
VREC
L602 10
VRECO2
OVER WRITE
15
HEAD DRIVE
CIRCUIT
L603
B+
VREC
16
INM1
19
RF1
NOISE
20
FILTER
IC601
CHGMON
51
GAIN
54
CHG
55
48 48
SYSTEM
CONTROL
POWER CONTROL
IC901
VL
9
REGURATOR VL
11
D902
BANDGAP
L2
SWITCHING
REFERENCE
12
REGURATOR L2
STEP-UP
16 VG
PRE DRIVER
MOTOR/COIL
&
RF2 DRIVER (IC551)
PWM
B+
VG
STEP-UP
19
DC/DC LG
18
CONVERTER
VGFB
20
VCOUT
SYSTEM CONTROLLER
(IC801) B+
SERIES
VC2
PASS 45
REGULATOR
VC
36
REGULATOR VC
34
SWITCH
VCOUT
33
L1
SWITCHING
32
REGULATOR
L1
28
B+ SWITCH
VB 50
Q908, 909
RESET SIGNAL STEP-UP
GENERATOR PRE DRIVER
&
VB
SWITCHING
DTC1
PWM
6
Q910, 911
VC
L1 1
L601
SWITCHING 11
L1 2
B+ SWITCH
REGULATOR 14
Q603
STEP-UP DOWN
DW BT
SWITCH
22
PRE DRIVER
DW TP
&
21
PWM CHARGE
– +
VIO 8 VIF B+
VC2 26
CHARGE D603
9
VC VC B+
CONTROL
VG 36 VG B+
Q602 (2/2)
RF2
49
BATTERY
INM2
CHARGER 48
INP2
&
47
POWER
REGULATOR
CHARGE
CONTROL RS
46 CONTROL
Q602 (1/2)
(2/2)
CHG SW
CHARGE
45
CONTROL
VB
43
CHARGE
BATM
MONITOR 44
SYSTEM
DREG VIF
CONTROL 56
B+
(2/2)
LINE
DCIN 50
FILTER
T601
VB
HEADPHONE AMP (IC302),
MOTOR/COIL DRIVER (IC551)
B+
L902
L905
D903
L801
L901
D901
VOLTAGE
DETECTOR
DRY BATTERY
IC903 SIZE "AA"
IEC DESIGNATION
LR6
1PC. 1.5V
(BATTERY CASE)
RECHARGEABLE
BATTERY
NH-14WM
1.2V 1350mAh
TH601
GROUND
J601
LINE
DC IN 3V
SWITCHING
+
Q601 –