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6-1. BLOCK DIAGRAM — MD SECTION —
SECTION 6
DIAGRAMS
MZ-R70
04
IX
IY
JX
JY
C
B
A
D
PD-O
PD-IN
RF
AMP
ABCD
AMP
APC
TRACKING
ERROR
FOCUS
ERROR
PEAK/
BOTM
ADIP
RF
PEAK
BOTM
FE
ADFG
OFTRK
S-MON
WPPLPF
XRST
DADTRFI
PEAK
BOTM
ABCD
FE
TE
ADFG
MNT2
OSCO
OSCI
APC REF
TFDR
TRDR
FFDR
FRDR
SLDU
SLDV
SLDS
SLDW
SLCW
SPVS
SPDU
SPDV
SPDW PD SI
SLD MONI
OFTRK
S MON
REC WBL SW
SPDL START SW
PD SO
SSB CLK
SSB DATA
CLV W
CLV V
CLV U
SPDL PWM
XCS DSP
TX
XLAT
SENS
XINT
SQSY
DQSY
FOK
XSHOCK
WRPWR
XIC RST
TE
ABCD
9
8
10
11
5
14
12
6
20
18
23 24 19
25
33
29
28
41
42
1
21
26
43
3
RF AMP, FOCUS/TRACKING ERROR AMP
IC501
I-V
CONV.
JX JY
CB
DA
IX IY
AUTO POWER
CONTROL
Q1001
SLED
MONITOR
IC604
LD
PD
SBUS
SCK
PDI
DATA
CLK
TRACKING
COIL
DRIVE
30
32
21
22
4 CH MOTOR DRIVE
IC601
FOCUS
COIL
DRIVE
LPF
SW
Q501
SPINDLE
MOTOR
DRIVE
SPINDLE
MONITOR
7
5
16
15
FOCUS
COIL
DRIVE
11
9
26
28
46
44
42
34 35 36 17
14
13
25
23
24
2
3
1
48
PWM24
PWM1
M602
(SLED)
TRACKING
COIL
FOCUS
COIL
M601
(SPINDLE)
OE
SPDL PWM
CLVU
SPCW
SLCV
SLCU
SPCV
SPCU
CLVV
CLVW
TO POWER
SECTION
B
OE
U
V
W
PD SO
PD SI
OPTICAL PICK-UP BLOCK
(LCX-2R)
5
2
2
5
3 7
6
1
1
6
SWITCH
IC504, 505
X501
22.5MHz
124
127
128
129
106
110
109
138
139
130
131
132
111
112
133
134
141
135
140
20
4
99
96
87
19
84
85
78 42
XBCK
45
LRCK
43
FS256
DADT
XBCK
LRCK
FS256
RESET
46
XRST
12
WRPWR
15
MNT1
3
MNT3
5
DQSY
14
SQSY
13
XINT
16
SENS
11
XLAT
8
TX
17
XCS DSP
32
SLCU
SLCV
SPCU
SPCV
SPCW
86
DIGITAL SERVO SIGNAL PROCESSOR
EFM/ACIRC DECODER
SHOCK PROOF MEMORY CONTROLLER
ATRAC DECODER
IC502 (1/2)
TO REC/AMP
SECTION
A
68
7
51
52
54
53
55
6
8
5
9
35
67
24
25
26
2
79
57
49
SYSTEM CONTROLLER
IC801(1/3)
102
103
36
38
• Signal path
: PB
(Page 27)
(Page 29)