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MDS-JE770
38
38
6-2. BLOCK DIAGRAMS – BD SECTION –
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
LDPD
LASER DIODE
ILCC
PD
OPTICAL PICK-UP
(KMS-260B/260E)
AUTOMATIC
POWER CONTROL
Q121, 122
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
IC141
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
IC151 (2/2)
RECP
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
FILI
PCO
CLTV
FILO
EFMO
ADDT
DATAI
NC
NC
NC
NC
BUFFER
IC171
IC151 (1/2)
TX
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
IC151 (1/2)
INTERNAL BUS
DADT
XBCK
LRCK
FS256
OSCI
OSCO
DQSY
SQSY
XINT
SENS
SRDT
SWDT
SCLK
XLAT
MNT0
MNT1
MNT2
MNT3
SHOCK
XBUSY
SWDT
SCLK
SWDT
SCLK
XLATCH
MNT1 (SHOCK)
MNT2 (XBUSY)
DIG-RST
SQSY
DQSY
LDON
WR-PWR
MOD
XINT
SENS
SRDT
LDIN
LDOUT
IN1
IN2
OUT1
OUT2
VZ
LOADING
MOTOR DRIVE
IC440
M103
(LOADING)
DQ1 – DQ4
A0 – A9
D0 – D3A00 – A09
XOE
XWE
XRAS
XCAS
OE
WE
RAS
CAS
D-RAM
IC153
DIN1
SYSTEM CONTROLLER
IC1 (1/2)
HF MODULE
ADDT
J631
SP
AEP, UK
COAXIAL IN
DADT, BCK, LRCK
SWDT, SCLK
REFLECT
PROTECT
LD-LOW
SDA
SCL
UNREG
+12V
65
LIMIT-IN
OUT-SW
S101
(LIMIT IN)
PLAY-SW
• SIGNAL PATH
: PLAY (ANALOG OUT)
: PLAY (DIGITAL OUT)
: REC (ANALOG IN)
: REC (DIGITAL IN)
S103
(OUT SW)
S104
(PLAY SW)
REC-SW
S105
(REC POSITION)
XBCKI
LRCKI
S102
(REFLECT/PROTECT DETECT)
HIGH REFELECT RATE/
WRITE PROTECT
LOW REFELECT RATE/
UN-PROTECT
OVER WRITE
HEAD DRIVE
IC181
, Q181, 182
WAVE
SHAPER
IC600
OPTICAL
RECEIVER
IC611
OPTICAL
TRANSCEIVER
IC641
DIGITAL
IN 1
(OPTICAL)
DIGITAL
IN 2
(OPTICAL)
DIGITAL
OUT
(OPTICAL)
OPTICAL
RECEIVER
IC621
11
9
8
4
1
2
48 47
46 40
33
38
37
36
32
35
34
26
28
181716
20
12
3029
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
MM
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
IC102
, Q131 – 134
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
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
52
54
56
20 25 58 32 33 50 59 4831
XRST
CLOCK
GENERATOR
49, 48, 50, 51
1, 2, 24, 25
34 – 31, 36 – 40, 45
5, 9 – 12, 14 – 18
C
D
B
A
67 66
3 6
5
VCC
8
+5V
VCC
1
SCL
6
SDA
5
45
60
7 2
55
49
51
53
61
44
M
REFERENCE
VOLTAGE SWITCH
Q440,445
+5VD+3V
+3.3V
REG.
IC190
EEPROM
IC195
MAIN
SECTION
(Page 39)
MAIN
SECTION
(Page 39)
MAIN
SECTION
(Page 39)
MAIN
SECTION
(Page 39)