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