3
3
MZ-E501
2-1. BLOCK DIAGRAM
SECTION 2
DIAGRAMS
SI0
SCK0
S00
XCS NV
217
12
160
161
9
3
194
195
221 XRF RST
PDS1
XCS NV
SI0
SCK0
S00
XTEST
PD S0
S MON
SSB CLK
SSB DATA
VREF MON
OFTRK
MUTE
XHP STB
BEEP
142
RMC DTCK
167
OPR LED R PWM
163
OPR LED G PWM
224
XAVLS
13
SET KEY 1
17
WK DET
227
HOLD SW
20
RMC KEY
VC PWM
164
165
VL PWM
86
FS4
235
SLEEP
236
FFCLR
8
XRST
21
AVDD
5
2
CLK
INM2
INM1
RF2
RF1
VRMC
XWK3
VSTB
XWK1
XWK4
VD
XRST
10
44
VLO
19
VG
18
LG
9
VL
11
VL
16
12
L2
L2
50
VB
28
L1
IN
32
L1
33
VC OUT
7
26
27
22
23
56
4
3
1
6
XWK2
3
SLEEP
55
FFCLR
54
46
VC
36
VC
OUT
34
VC2
45
21
1
20
13
4
24
23
BEEP
STB
MUTE
BEEP OUT A
BEEP OUT B
OUT B
R-CH
R-CH
IN B
+B
VCC
VREF IN
UNREG
VIF
REFERENCE
VOLTAGE
SWITCHING
Q301
B+
SWITCH
Q901
SWITCH
Q902,903
22
2
i
J301
R-CH
L-CH
KEY
RGND
DATA
RMC
VDD
S808
D801
Q801
LED SWITCH
HOLD
S805
VOL
+
S804
VOL
-
S809
(OPEN/CLOSE
DETECT)
VL
DVDD
35
VCO
VC
42
VIF
VIF
41
VA
AVDD
VG
UNREG
UNREG
234
VLON
VLON
1
HEADPHONE AMP
IC301
POWER SUPPLY
IC901
VOLTAGE
DETECTOR
IC903
-
89
90
87
88
SPD U
SPD V
SPD W
SPDL PWM
220 XRST MTR DRV
17
18
15
S803
.
S801
x
S802
>N
D901
D902
D903
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
1PC, 1.5V
VB MON
REC KEY
SET KEY2
TSB MST VDD
10
19
HALF LOCK SW
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
16M BIT D-RAM, SYSTEM CONTROL
IC601
TAP601
(TEST)
141
18
14
RMC VDD
VDD
183
218
240
MAIN BOARD
37
44
45
46
47
56
74
78
49
29
30
73
84
91
113
153
222
23
119
139
151
231
6
59
33
29
28
41
42
1
44
21
31
26
43
24
23
4
8
9
10
11
12
14
5
6
13
7
18
19
LASER
AUTO POWER
CONTROL
Q501
3
4
2
19
11
20
13
12
5
18
9
10
14
15
16
17
7
8
6
1
TRACKING
COIL
FOCUS
COIL
20
Jx Jy Jx
Ix Iy
Iy
Ix
Jx
Jy
A
B
C
D
PD
Ix
a
F
b c d
MINIDISC
OPTICAL PICK-UP BLOCK
(LCX-4E)
LD
AVCC
S0
S1
AVCC
S0
LD-K
LD-A
MON
D
C
B
A
Jy
Jx
Ix
Iy
D
D-C
PD-I
PD-O
C
B
A
VREF
VREF
A-C
Jy
Jx
Ix
Iy
S1
RF AMP,
FOCUS
ERROR,
TRACKING
ERROR
TPP/WPP
APC
SERIAL
I/F
VL
22
40
DVDD
AVCC
VIF
RF OUT
PEAK
BOTM
ABCD
FE
ADIP IN
TE
ADIP
PD-NI
OFTRK
VC
AOUT L
AOUT R
AVD1
AVD2
DSP VDD0
DSP VDD1
MCU VDD1
DSP VDD2
DSP VDD3
MCU VDD2
MCU VDD3
VDI00
VDI01
VDI02
MCU VDD0
SBUS
SCK
S MON
XRST
PEAK
/BOTM
RFI
PEAK
BOTM
ABCD
FE
TE
VC
ADFG
APCREF
AVDD
DVDD
RF AMP,FOCUS/TRACKING ERROR AMP
IC501
CN501
TRK+
TRK-
FCS+
FCS-
33
95
94
93
102
99
97
96
98
80
82
101
196
176
100
76
103
143
154
210
241
24
25
42
41
32
24
25
81
88
38
7
19
18
16
17
20
15
12
29
31
48
45
46
49
44
UNREG
27
1
26
HI-BRIDGE
CONTROL
HI-BRIDGE
CONTROL
HI-BRIDGE
CONTROL
PRE
DRIVER
HI-BRIDGE
CONTROL
3 PHASE
CONTROL
PRE
DRIVER
PRE
DRIVER
PRE
DRIVER
PRE
DRIVER
40
39
37
56
55
2
3
4
5
6
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC551
SLD1MON
DIFVDD0
VIF
DIFVDD1
TSB SLV VDD
MIFVDD0
MIFVDD1
MIFVDD2
TSB SLV CHK
MIFVDD3
SLD2MON
OSCI
TFDR
OSCO
TRDR
FRDR
SLDV
SRDR
SFDR
SLDW
SLCW
SPCU
SPCV
SPCW
FFDR
X601
45.1584MHz
SLED1+
SLED1-
SLED2+
SLED2-
CLVU
CLVV
CLVW
MINIDISC
MECHANISM BLOCK
M902
(SLED)
M901
(SPINDLE)
5
7
6
8
1
2
3
4
CN551
35
10
14
54
51
52
53
BIAS
8
S-MONITOR
25
RECHAGEABLE
BATTERY
NC-6WM
1PC, 1.2V 600mAh
219
EEPROM
IC801
4
DI
3
DO
2
SK
1
XCS
181
180
179
GROUP
S806
L906
L902
L901
(INFO)
ON
OFF
¥
Signal path
¥
R-CH is omitted due to same as L-CH
J
: Audio (Digital)
F
: Audio (Analog)