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MZ-R501/R501PC
3030
33 24
81
35 25 80
TRACKING
COIL DRIVE
10 19 82
8 18 83
FOCUS
COIL DRIVE
14 17
42
16
233
98
SLED VOLTAGE
MONITER
SPINDLE
SERVO
DRIVE
SWITCH
IC805
41
12
20 97
29 26 99
MAIN BOARD (1/3)
MOTOR FLEXIBLE
BOARD
AUTOMATIC
POWER
CONTROL
Q501
2
19
11
12
5
8
18
14
9
10
15
16
17
7
6
1
3
4
1
2
JX JY JX
IX IY
Iy
HR601
OVER
WRITE
HEAD
MD
MECHANISM
(1/2)
Ix
Jx
Jy
A
B
C
D
PD
IX
A
F
BCD
LD
S0
S1
2-AXIS
DEVICE
LD-A
D
D-C
PD-I
PD-O
C
B
A
VREF
A-C
JY
JX
IX
IY
RF AMP,
FOCUS
ERROR,
TRACKING
ERROR
TPP/WPP
APC
SERIAL
INTERFACE
RF OUT
PEAK
BOTM
ABCD
FE
ADIP IN
TE
ADIP
PD-NI
RFI
PEAK
BOTM
ABCD
FE
TE
ADFG
APCREF
VC
OFTRK
VREF MON
XRF RST
SSB DATA
SSB CLK
S MON
PD S0
PD S1
OFTRK
VC
SBUS
SCK
S MON
XRST
PEAK
/BOTM
CHARGE
PUMP2
RF AMP,FOCUS/TRACKING ERROR AMP
IC501
CN501
TRK+
TRK–
FCS+
FCS–
SLED1+
SLED1-
SLED2+
SLED2-
CLVW
CLVN
CLVV
CLVU
TRK+
TRK–
FCS+
FCS–
MD
MECHANISM
(2/2)
M602
(SLED)
M601
(SPINDLE)
U
VW
S-MONITOR
BIAS
4
8
9
10
11
13
7
18
20
43
25
26
31
21
44
1
42
41
28
33
29
9
49
12
78
74
56
47
46
45
37
105
44
35
7
33
38
25
41
100
68
62
93
14
5
6
12
24
23
161
194
195
160
217
221
101
94
95
SLED
MOTOR
DRIVE
40
31
39
38
37
27 102
166
88
48 4 87
223
53
3
SPINDLE
VOLTAGE MONITOR
52
46
89
44 2 90
220
SPINDLE
MOTOR
DRIVE
51
54
55 56 1
CHARGE
PUMP1
37
42
28
27
31
30
4
EFM
PRE DRIVER
OVER WRITE
HEAD DRIVE
Q601,602
HI-BRIDGE
PRE DRIVER
199 198 197 201 200
1 2 3 5 6
M603
OVER WRITE
HEAD
UP/DOWN
OPTICAL PICK-UP BLOCK
(LCX-4R)
14
•
15
7
6
5
10
•
11
12
•
13
8
•
9
3
•
4
DIN1
ADDT
AUDIO
SECTION
1
CLK
VREF
SYSTEM
CONTROL
/POWER
SECTION
2
(1/2)
MOTOR FLEXIBLE
BOARD
(2/2)
19
SYSTEM CONTROL (1/2)
EFM
CLK
VRECIN2
VRECIN1
C1H
C1L
C2H
C2L
SW
RECON
OE
RI
FI
OVER WRITE HEAD DRIVE
IC601(1/2)
VRECO
B+
HD DRV–
HD DRV+
CN701(1/2)
CN701(2/2)
6
96
5
SLD1 MON
SLD2 MON
CLV MON U
CLV MON V
CLV MON W
TFDR
TRDR
FFDR
FRDR
SLD 1 MON
SLDR
SLDV
SFDR
SLDW
SLCU
DIN1
EFMO
MODE3
MODE2
MODE1
HD CON2
HD CON1
ADDT
SLCV
SPCU
SPCV
SPCW
SLCW
SPDL AUX PWM
SPFD/SPVS/PWM3
SPDL MON
SPRD/SPDU/RTG0
SPDV/RTG1
SPDW/RTG2
XRST MTR DRV
HB
HA
OUTA
OUTB
HD DRV+
HD DRV–
VREF
CPWO
CPVO
CPUO
CLV MON W
CLV MON V
CLV MON U
CLVU
SLD 1 MON
SLD 2 MON
CLVW
CLVN
CLVV
FO3
TRK+
TRK–
FCS+
FCS–
RO3
FO1
R01
FO2
SLED1+
SLED1–
SLED2+
SLED2–
CPAIP
RO2
CPAIM
FO4
CPBIP
R04
CPBIM
CPAO
CPBO
UO
WO
CPWI
COM
CPUI
VO
CPVI
FI3
RI3
FI1
RI1
FI2
FI2
PWM24
FI4
RI4
PWM
UI
VI
WI
OE
(FOCUS) (TRACKING)
FOCUS/TRACKING
COIL DRIVE,SPINDLE/SLED
MOTOR DRIVE
IC701
SYSTEM CONTROLLER,
DIGITAL SIGNAL PROCESSOR,
16M BIT D-RAM
IC801(1/3)
SERVO SECTION
Signal path
: PLAYBACK
: REC(ANALOG IN)
: REC(DIGITAL IN)
6-2. BLOCK DIAGRAM — SERVO SECTION —
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