Block Diagram(2/2) - Sony Walkman D-CJ01 Service Manual

D-CJ01
5-3. BLOCK DIAGRAM (2/2)
IC401 (2/2)
LD APC,FOCUS/TRACKING COIL,
SLED/SPINDLE MOTOR DRIVER
LATCH
LATCH
11
DATA
DATA 10
CLOCK
CLOCK 9
DCIN 49
DTC2D 53
VG
VG 5
VDD
73 INP3
WAKEUP 8
(+3.3V)
SWITCHING
71 L3
REGULATOR
Q411,D412
51
VCC1
T401
VLGO1 61
VCPU 50
VBAT 65 VIN
CHGSW 45
BATM1 60
RS 46
(1/2)
A
1
3
7
5
IC608
6
BUFFER
2
IC605
63 64 12 13 14 9 60
RAM
WE WR
5 43
CS1 30 16 CE
32 17 OE
OE
/WICK
IC606
DQ1-3
IO0-7
IO0-7
MPEG
PO7
DECODER
ID4-8
/RESET
MIDIO
AD0-16
A0-16
STANDBY
DIFFERENTIAL
Q409,410
SWITCH
DVDD+3.3V
Q413,414
Q415
SWITCH
DVDD
Q406 +3V
SWITCH
VCPU+3V
Q412
D606
9 XRDE_I
LATCH
48 XPOWLT_O
DATA
41
SDTO
SCK
42 SCK
IC604
1
4
6 47 SCL0(I2C)
2
Q601
39 98 MP3DSP_I
1 96 MP3_DSP_RST
5 45 SDA0(I2C)
19 95 STANDBY_O
WAKUUP_O
54
VDD
(+3.3V)
IC402
IC404
+3V
SWITCHING
2 3
REG.
REGULATOR
SWITCH
Q418,419
12 12
(1/2)
B
KEY2_AD 29
KEY1_AD
28
DD0-7
IC801 (2/2)
A0 64
SYSTEM
RD 77
CONTROL
78
WR1
KEY_INT
19
25 21 31
IC403
7 1
8
4
SWITCH
SWITCH
VG
Q401
Q404,405
VBAT
D404
SWITCH
Q417
SWITCH
Q403
CURRENT
DETECT
19 LCD_RST_O
3 KEY2
KEY1
4
SWITCH
&
DD0-7
LCD
UNIT
6 AO
RD
7
8 WR1
KEY INT.
Q804,805
J401
SWITCH
DC IN 4.5V
Q404
RECHAGEABLE
BATTERY
NC-WMAA
2PCS, 2.4V
OR
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
2PCS, 3V