67 MD-H
68 REC-H
CN404
(1/2)
12
13
21
26
22
23
24
25
CN604
(2/2)
F
C
B
D
A
E
I
J
J
I
B
A
C
D
E
F
DETECTOR
J
I
A
B
C
D
E
F
LD
PD
LASER DIODE
ILCC
PD
OPTICAL PICK-UP BLOCK
(KMS-260B)
AUTOMATIC
POWER CONTROL
Q162, 163
APC
PD
APCREF
AT
AMP
B.P.F.
WBL
ADFM
ADIN
ADFG
ABCD
AMP
ABCD
FE
TE
SE
F0CNT
WBL
3T
EQ
COMMAND
SWDT
SCLK
XLAT
RFO
RF AGC
& EQ
AGCI
EQ
RF
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
TEMP
MORFO
MORFI
3T
WBL
AUX
PEAK
BOTM
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC152
OUT4F
OUT4R
M101
(SPINDLE)
OUT2F
OUT2R
M102
(SLED)
OUT1F
OUT1R
OUT3F
OUT3R
FCS+
FCS–
TRK+
TRK–
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
IN4R
IN4F
IN2F
IN2R
IN1F
IN1R
IN3F
IN3R
MOD
SPFD
SPRD
APCREF
SFDR
SRDR
FFDR
FRDR
TFDR
TRDR
PSB
PWM GENERATOR
FROM CPU
INTERFACE
DIGITAL SERVO
SIGNAL PROCESSOR
IC121 (2/2)
RECP
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
FILI
PCO
CLTV
FILO
EFMO
ADDT
DATAI
DIVIDER
IC123
ASYO
ASYI
RFI
SCTX
HR901
(OVER WRITE HEAD)
ADFG
F0CNT
SPFD
SPRD
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
INTERFACE
DIN0
DOUT
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
IC121 (1/2)
INTERNAL BUS
DADT
XBCK
LRCK
FS256
OSCI
OSCO
DQSY
SQSY
XINT
SENS
SRDT
SWDT
SCLK
XLAT
MNT0
MNT1
MNT2
MNT3
FOK
SHOCK
XBUSY
SLOCK
SWDT
SCLK
XLATCH
FOK
SHOCK
MNT2 (XBUSY)
MNT3 (SLOCK)
DIG-RST
SQSY
DQSY
LDON
WR-PWR
MOD
XINT
SENS
SRDT
LDIN
LDOUT
04
FIN
RIN
OUT2
OUT1
VREF
LOADING
MOTOR DRIVE
IC602
M103
(LOADING)
DQ1
–
DQ4
A0
–
A9
D0
–
D3
A00
–
A09
XOE
XWE
XRAS
XCAS
XOE
XWE
XRAS
XCAS
D-RAM
IC124
DIN1
MD MECHANISM CONTROLLER
IC601
HF MODULE
DA-RST
EMP
REFLECT
PROTECT
LD-LOW
XIN
XOUT
B+
(D +5V)
39
RECP
PACK-OUT
S601
(REC POSITION)
S602
(PACK OUT)
PBP
S604
(PLAY POSITION)
XBCKI
LRCKI
S102-1
(REFLECT RATE DETECT)
S102-2
(PROTECT DETECT)
OVER WRITE
HEAD DRIVE
IC181, Q181, 182
11
9
8
4
1
2
48
47
46
40
33
38
37
36
32
35
34
26
28
18
17
16
20
12
30
29
5
6
7
10
LASER ON
SWITCH
Q101
LD/PD
AMP
I-V
AMP
I-V
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RF AMP
B.P.F.
PEAK &
BOTTOM
6
8
92
91
88
89
86
85
81
80
83
13
67 65 66 75 74 63 64
82
27
25
21
23
12
10
14
15
19
18
29
30
3
4
16
M
M
M
AUTOMATIC
POWER
CONTROL
DIGITAL SERVO
SIGNAL
PROCESS
ANALOG MUX
A/D CONVERTER
SERIAL/PARALLEL
CONVERTER,
DECODER
AUTO
SEQUENCER
V-I
CONVERTER
HF MODULE
SWITCH
IC103, Q102 – 104
100
60
59
62
61
53
54
57
78
79
94 93
10
12 11
14
9
8
5 6 7
1 2 3 4
43
47
16
29
27
28
26
21
19
23
24
22
25
17
46
44
16
3
4
17
ADIP
DEMODULATOR/
DECODER
SPINDLE
SERVO
COMPA-
RATOR
PLL
FILTER
SUBCODE
PROCESSOR
EFM/ACIRC
ENCODER/DECODER
SHOCK PROOF
MEMORY CONTROLLER
ATRAC
ENCODER/DECODER
CPU
INTERFACE
MONITOR
CONTROL
16
75
81
80
86
15
12
SCTX
89
32 69
67 90
77 33 41 42
68
XRST
CLOCK
GENERATOR
49, 48, 50, 51
1, 2, 18, 19
34
–
31, 36
–
40, 45
6
–
9, 11
–
15, 5
95 94
4
5
6
7
1
37
8
38
98
97
70
83
M
REFERENCE
VOLTAGE SWITCH
Q611
CN104
CN101 (1/2)
CN101 (2/2)
9
4
17
14
15
26
7
10
CN103
(2/5)
CN602
(2/4)
15
XT
3
5
23
7
1 15 18 10 12
20 2 8 19
4 22 16 5
23
9
6 14 12
21 19
1
17
CN103
(1/5)
CN602
(1/4)
CN605
(1/2)
CN601
(1/2)
28
27
X601
12MHz
XIN-T
XOUT-T
SDA
SCL
25
24
52
5
6
53
X602
32.768kHz
3
2
CN602
(3/4)
21
22
CN103
(3/5)
SDA
SCL
EEPROM
IC171
1
+3.3V
REG
IC192
3
MD B+
(+3.3V)
13
8
10
1
3
5
7
9
14
12
21
19
17
15
B+
(+5V)
12
15
11
10
SERIAL
INTERFACE
D/A
CONVERTER
A/D
CONVERTER
19
20
6
3
9
7
8
18
PDAD
PDDA
DEMO
VOUTL
VOUTR
VINL
VINR
SYSCK
D/A, A/D
CONVERTER
IC603
R-CH
R-CH
8
3
12
13
CN604
(1/2)
DOUT
DIN
BCK
LRCK
7
1
5
6
1
2
IC605
512FS OSC
X603
22.5792MHz
CN605
(2/2)
CN601
(2/2)
3
5
7
3
5
7
13
11
11
13
SW BOARD (2/2)
BD BOARD (2/2)
60
59
58
57
13
20
36
STB
SYS-RST
PDOWN
RXD (UART)
TXD (UART)
RTS
CTS
RESET
SWITCH
Q604
B+
SWITCH
Q612
B+
(D +5V)
B+
(+5V)
B+
SWITCH
Q603
B+
(BU +3.3V)
B+
(+3.3V)
B+
SWITCH
Q617
B+
(AU +3.3V)
B+
21
26
22
23
24
25
CN603
D-IN
DA-LCH
AD-LCH
DG BOARD
BD BOARD (1/2)
CN601
CN102
4
3
2
1
8
16
12
13
14
18
19
20
17
9
6
1
2
1
2
Q616
Q610
15
7
2
MD PLAY/REC
SWITCH
Q620
64 MD-SRTS
65 MD-SCTS
69 MD-SRXD
70 MD-STXD
63 MD-PDOWN
66 MD-RST
SYSTEM
CONTROLLER
IC401(1/3)
MAIN BOARD (1/3)
LIMIT-IN
S101
(LIMIT IN)
96
CN602
(4/4)
CN103
(4/4)
8
16
-2
-1
S102
• SIGNAL PATH
: MD PLAY
: MD REC (ANALOG)
R-CH : Same as L-CH.
: MD REC (DIGITAL)
1
SW BOARD (1/2)
C
MAIN
SECTION
B
CD
SECTION
LEVEL
SHIFT
IC604
CLK
Q
SW
IC606
20
– 48 –
– 49 –
– 50 –
ZS-M35
6-4. BLOCK DIAGRAM — MD SECTION —
(Page 52)
(Page 53)