Block Diagram - Display/Key Control/Power Supply Section - Sony MZ-N505 Service Manual

MZ-N505
6-3. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
RMC KEY
(Page 33) F
CLK
D
(Page 32)
SYSTEM CONTROLLER,
SDO0, SCK0
E
(Page 33)
SDO0
SD0
SCK0
SCK
RST
102 LCD RST
STB
68 LCD STB
CS
67 XCS LCD
XWK1
REC
RESET
VIF B+
SWITCH
VB B+
Q801
PAUSE
82 PAUSE KEY
SE1 KEY 1
109 SET KEY 1
SE1 KEY 2
110 SET KEY 2
HOLD 77 XHOLD SW
DVDD VIF B+
SWITCH & LCD MUDULE
S806
39 OPEN CLOSE SW
OPEN/CLOSE
DETECT
S803 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
HALF LOCK SW
115
S805
OPEN
DIGITAL SIGNAL
PROCESSOR,
16M BIT D-RAM
IC801 (3/3)
SUSPEND 131
D804
VL PWM 30
VC PWM 31
XRST 104
VREC PWM 29
WAKE UP SWITCH
Q608
VOLTAGE
DETECTER
IC604
CHG MON 107
CHG GAIN 90
CHG 91
HIDC MON 112
GND SW 66
VB MON 186 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
RF AMP (501) VLO
10
LASER APC CIRCUIT
B+
VREF
BANDGAP
49
REFERENCE
STEP-UP
DTC2
24 PRE DRIVER
25 RF2
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
RF1
NOISE
27
FILTER
XRST
RESET SIGNAL
46
GENERATOR
CRST
DTC1
47
VRECO
OVER WRITE HEAD DRIVE
VRECO1
L602 10
(IC601) B+
VRECO2
15
VREC
VREC
OVER WRITE HEAD DRIVE 16 SWITCH
CIRCUIT B+
INM1
19
– +
RF1
NOISE
20
FILTER
POWER
CONTROL
IC601 (2/2)
CHGMON
CHARGE
51
MONITOR
GAIN
SYSTEM
54
CONTROL
CHG
55
(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
L1 D901
SWITCHING
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
PRE DRIVER 22
DW TP
&
21
PWM
CHARGE
VIO 8
VIF B+
VC2 26
CHARGE
VC 9 VC B+
CONTROL
VG 36 VG B+
Q602 (2/2)
RF2
49
INM2
BATTERY
48
CHARGER INP2
47
&
REGULATOR CHARGE
RS
46 CONTROL
Q602 (1/2)
CHG SW
CHARGE
45
CONTROL
VB
43
BATM
44
DREG
VIF
56
B+
LINE
DCIN 50 FILTER
T601
VB
B+
L905
RECHARGEABLE
BATTERY
NC-WMAA
1PC. 1.2V
OR
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