47
47
HCD-C5
6-3. BLOCK DIAGRAM – MD SERVO SECTION –
• Signal Path
: PB (MD)
: REC (MD)
: CD (DIGITAL)
: CD (ANALOG)
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
(KMS-260B)
Q121, 122
AUTOMATIC
POWER CONTROL
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
IC101
RF AMP,
FOCUS/TRACKING ERROR AMP
TEMP
MORFO
MORFI
3T
WBL
AUX
PEAK
BOTM
IC141
FOCUS/TRACKING COIL DRIVER,
SPINDLE/SLED MOTOR DRIVER
OUT4F
OUT4R
M701
(SPINDLE)
OUT2F
OUT2R
M702
(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
IC151 (2/2)
DIGITAL SERVO
SIGNAL PROCESSOR
RECP
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
FILI
PCO
CLTV
FILO
EFMO
ADDT
DADTI
IC151 (1/2)
TX
ASYO
ASYI
RFI
SCTX
HR901
OVER WRITE HEAD
ADFG
F0CNT
SPFD
SPRD
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
INTERFACE
DIN0
DOUT
IC151 (1/2)
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
INTERNAL BUS
DADT
XBCK
LRCK
FS256
OSCI
OSCO
DQSY
SQSY
XINT
SENS
SRDT
SWDT
SCLK
XLAT
MNT0
MNT1
MNT2
MNT3
SWDT
SCLK
XLAT
P-DOWN
SHOCK (MNT1)
XBUSY (MNT2)
DIG-RST
SQSY
DQSY
LDON
WRPWR
MOD
XINT
SENS
SRDT
LOAD-IN
LOAD-OUT
RIN
FIN
OUT1
OUT2
VREF
IC871
LOADING
MOTOR DRIVER
M703
(LOADING)
DQ1
–
DQ4
A0
–
A9
D0
–
D3
A00
–
A09
XOE
XWE
XRAS
XCAS
OE
WE
RAS
CAS
IC153
D-RAM
DIN1
IC701
MASTER CONTROLLER
HF MODULE
REFLECT
PROTECT
LOAD-LO
WP
VINL
VINR
SPDIF-LOCK
DA-RESET
SLICER-SEL
MUTE
EEP-DATA
EEP-CLK
EEP-WP
ADPDWN
XOUT
XIN
VOUTL
VOUTR
SCL
SDA
M+7V
65
15
13
82
OPTSEL
OPTO
81
7
3
1
8
15
16
33
37
29
49
51
55
61
44
89
I2C-DAT 30
SPDIF-CUT
I2C-CLK
I2C-DATA
I2C-CLK
R-CH
MD-L
29
I2C-BUSY
I2C-BUSY
23
53
LIMIT-IN
OUT-SW
PWON
MUTE
SLICER-SEL
RESET
LOCK
(LIMIT IN)
(OUT)
(PLAY)
(REC)
PLAY-SW
REC-SW
XBCKI
LRCKI
11
9
8
4
1
2
3
48
47
46
40
33
38
37
36
32
35
34
26
28
18
17
16
20
12
30
29
5
6
7
10
Q101
LASER ON
SWITCH
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
Q131 - 134
HF MODULE
SWITCH
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
20
19
23
24
22
25
17
46
44
22
3
4
23
15
68
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
18
57
12
52
54
56
20
25
58 32
33 50
59 48
19
31
XRST
CLOCK
GENERATOR
48, 49, 50, 51
1, 2, 24, 25
34
–
31, 36
–
40, 45
5, 9
–
12, 14
–
18
67 66
9
7
1
VCC 6
4
2
13
12
11
M
Q871, 872
REFERENCE
VOLTAGE SWITCH
BCK
WS
SPDIF0
SPDIF1
IIS-OUT-BCK
IIS-OUT-WS
CLKOUT
SYSCLK
DATAO
DOUT
DADTI
XBCKI
LRCKI
DIN
IOP
S101
S103
S104
S105
S102
4
3
-A
LD+3.3V
IC102
WAVEFORM
SHAPER
X720
10MHz
XOUT-T
XIN-T 10
11
X717
32kHz
47
45
60
76
78
79
80
21
1
13
12
7
6
5
IC195
EEPROM
R-CH
REC-L
DIN , OPTO
IC211
D/A
CONVERTER
IC201
A/D
CONVERTER
22
VDDA (DAC) 32
18
Q211
DOUT
DIN
DIN
MUTE
DATAI
XBCKI
LRCKI
XBCKI
LRCKI
LD+3V
X171
90MHz
IOP
3
1
+5V
LD+3.3 V
+3.3V
REG
IC190
CD
SERVO
SECTION
(Page 46)
MAIN
SECTION
(Page 48)
MAIN
SECTION
(Page 48)
VC
VC
VC
15
14
TEMPI
TEMPR
SWITCH
Q861
SWITCH
Q201,202
+B
SWITCH
BUP+3.3V
3
5
IC861
RESET
S-RST
A
B
C
D
MAIN
SECTION
(Page 48)
PDOWN , MUTE
PDOWN
D101
TEMP
SENSOR
+3.3V
72
I2C-DATA,I2C-CLK,
I2C-BUSY
IC181, Q181 182
OVER WRITE
HEAD DRIVE
(REFLECT
→
PROTECT)
