Block Diagram - Sony Walkman MZ-E300 Service Manual

MZ-E300
5-2. BLOCK DIAGRAMS
MAIN BOARD
Iy
CN501
Ix
VREF
6
Jx
Iy
9
Ix
10
Jx
14
Jy
Jy
15
Jx Jy Jx
A
16
B
A
17
C
7
Ix Iy Ix
D
8
B
a b c d
C
MON
F
18
D
VIF
PD
5
LASER
LD-A
AUTO POWER
12
CONTROL
LD
Q501
13
LD-K
AVCC
AVCC
20
AVCC
S0 11
S0
S1 19
S1
MINIDISC
OPTICAL PICK-UP BLOCK
(LCX-4E)
TRK+
2
TRACKING
COIL
TRK-
1
FCS+
4
FOCUS
COIL
FCS-
3
MINIDISC
MECHANISM BLOCK
M902
CN551
(SLED)
SLED1+
5
SLED1-
7
SLED2+
6
SLED2-
8
1
M901
(SPINDLE)
CLVU
2
CLVV
3
CLVW
4
UNREG
RF AMP,FOCUS/TRACKING ERROR AMP
IC501
VREF
4
Iy
RF OUT
8
33
Ix
9
PEAK
Jx
29
10 PEAK
RF AMP, BOTM
Jy
/BOTM 28
11
FOCUS
A
12 ERROR,
ABCD
B
41
TRACKING
14
FE
C ERROR
5 42
D
TE
6
1
A-C
ADIP IN
44
13
TPP/WPP
D-C
ADIP 21
7
PD-I PD-NI
18 APC 19
VC 31
26
OFTRK
22 DVDD
XRST
25
SERIAL SBUS
23
I/F
SCK
24
S MON
S-MONITOR 43
PD-O
20
FOCUS/TRACKING COIL DRIVE,
SPINDLES/SLED MOTOR DRIVE
IC551
42
38
41
40
37
39
33
PRE
32 24
HI-BRIDGE
DRIVER
CONTROL 25
35
36
BIAS
11
10
7 19
HI-BRIDGE
PRE
DRIVER CONTROL 18
8
14 16
PRE HI-BRIDGE
15 17
DRIVER
CONTROL
12 20
28
29 26
HI-BRIDGE
PRE
31 DRIVER CONTROL 27
54
1
51
56
52
55
53
48
2
45
PRE 3 PHASE 3
46
DRIVER
CONTROL
4
49
5
44
6
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO SIGNAL PROCESSOR,
ATRAC ENCODER/DECODER,
8M BIT D-RAM, D/A CONVERTER
IC601
OUT L 56
9 EFMIN
17 PEAK OUT R 57
18 BOTTOM
VD
VDD1 15
19 ABCD
REGULATOR
VDD1 63
IC602
21 FE VDD1
87
VC
20 TE
AVDD 55 2 VOUT VIN 3
VA
94 ADIPWO
VCVDD 3
VDD2 13
LDREF
37
VDD2 41
2 RFVC MON
VDD2
59
VDD2 89
12 HFL
DI
86
10 RESET B
DO 88
22 VC SYSTEM CONTROL
IC801
TRPWMF
52
TRPWMR
53
XIN 20 XCLK
60
49 FOPWMF
92 23 DSP WRQB
WRQB
51 FOPWMR
INTB 93 24 DSP INTB
SMON3 70 25 DSP SMON3
CE 84 26 DSP CE
VP 75 57 DSP VP
33 PD S1
32 S BUS DATA
31
S BUS CLK
6 RF SMON
34 SLD1MON
SLD2MON
35
17
XIN
X801
16.9344MHz
16
XOUT
47 SLED 1R CON
48 SLED 1F CON
37 SLD VCON
50 SLED 2F CON
49 SLED 2R CON
XCS NV
SI0
39 CLV U MON
SCK0
42 CLV V MON
S00
43 CLV W MON
46
CLV W CON
45
CLV V CON
44
CLV U CON
36
CLV VCON
18 18
HEADPHONE AMP
IC301
22 2
RCH
21 IN B OUT B 4
UNREG 1 +B
BEEP OUT A
24
VIF 20 VCC
BEEP OUT B
23
BEEP
15 REFERENCE
VOLTAGE
18 VREF IN
STB 13
SWITCHING
17 MUTE
Q301
2 4
3 STATE BUFFER
1
IC803
Q801
EEPROM
IC802
BEEP 51
19
HP STB
18
MUTE
52
NV XCS
S102 CLK 54
S102 DO
56
55
S102 DI
SEG0 60
SEG11
72
COM0
73
COM3 76
HOLD SW 15
SET KEY 4
S808
(OPEN/CLOSE)
5
OPEN CLS SW
S807 S806 S805
DIGITAL
PLAY MODE VOLUME VOLUME
MEGABASS/ /DISPLAY
–
AVLS
POWER SUPPLY
IC901
DVDD VL
44 VLO 10
VD
VC
5
XWK4
VCO 35
2 XWK1
VIF
7 42
RMC KEY 3 VRMC VIF
AVDD
4
XWK3
6 VA 41
VSTB
UNREG MON 1
UNREG
3 XWK2 19
VG
26 INM1
18
LG
RF1
VC VCOM 38 27
23
VL VCOM 58 RF2
22
INM2 VL 9
PWR CLK 59 56 CLK
VL 11
1
PWR VLON 29 VLON
L2 16
55
PWR SLEEP 28 SLEEP
L2 12
27 54 FFCLR
PWR FFCLR
9 46 XRST
XRST 50
VB
AVDD 10 36 VC
8 32
VL MON VL 34 VC L1
45 VC2 L1 28
30 33
PWR CLKSEL 52 CLK SEL VC OUT
BP801
(TEST)
XADJUST 14
RCH
LCH
J301
i
RCH
LIQUID
CRYSTAL
DISPLAY
OFF
ON
S809
HOLD
S804
+ -
VG
D903
UNREG
D902
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
D901
1PC, 1.5V
• Signal path.
F : Analog
J : Digital