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MDS-JA333ES
37
37
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAMS
MAIN SECTION
OVER WRITE
HEAD DRIVE
Q181,182
OVER WRITE
HEAD DRIVE
IC181
C
B
A
D
I
J
F
E
LASER ON
SWITCH
Q101
Q162,163
AUTOMATIC
POWER
CONTROL
HF
MODULE
DETECTOR
OPTICAL PICK-UP BLOCK
(KMS-260B/JIN)
I
J
A
B
D
C
LASER ON
DIODE
ILCC
PD
VR
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
FOCUS
COIL
DRIVE
TRACKING
COIL
DRIVE
6
OUT 4F
8
OUT 4R
15
IN 3R
16
PSB
27
OUT 2F
25
OUT 2R
23
OUT 1R
10
OUT 3R
21
OUT 1F
12
OUT 3F
14
IN 3F
19
IN 1F
29
IN 2F
3
IN 4F
18
IN 1R
30
IN 2R
4
IN 4R
FOCUS
COIL
TRACKING
COIL
SPINDLE
MOTOR
SLED
MOTOR
M901
M902
2-AXIS
DEVICE
16
FCS+
FCS
TRK+
TRK
MOD
HF MODULE
SWITCH
IC103,Q102-104
MOD
WRPWR
A+3V
VC
K
VCC
VC
SPINDLE/SLED MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
IC152
HR901
OVER WRITE
HEAD
PD
LD
• Signal Path
: PB (Digital out)
: REC (Digital in)
: PB
: PB
:REC
E
F
M
M
PD
10
APC
11
C
6
D
7
E
8
A
4
B
5
F
9
J
2
I
1
IC101
RF AMP
DSSP/DSP
IC121
EFMO
100
TX
15
RFI
57
38
RF
SPFD
94
PEAK
63
37
PEAK
BOTM
64
36
BOTM
AUX1
67
33
AUX
ABCD
65
35
ABCD
FE
66
34
FE
SE
74
28
SE
TE
75
26
TE
ADFG
78
32
ADFG
FOCNT
79
20
FOCNT
DTRF
82
16
SWDT
CKRF
81
17
SCLK
XLRF
80
18
XLAT
APCREF
83
12
APCREF
SPRD
93
SFDR
92
SRDR
91
FFDR
88
FRDR
89
TFDR
86
TRDR
85
10
RST
13
RECP
19
DIN0
21
DOUT
25
ADDT
26
DADT
28
XBCK
27
LRCK
16
OSCI
7
3
IC123
DQ1
DQ4
A0
A9
RAS
4
DRAM
IC124
47
XWE
43
XOE
44
XCAS
46
XRAS
34
31
36
.
40
45
.
AO0
AO9
6
9
11
.
15
5
.
1
2
18
19
.
.
.
WE
3
OE
16
CAS
17
DO0
DO3
49
48
50
51
.
.
.
DIG RST
47
WRPWR
35
MOD
14
LDON
29
RXO
45
TXO
44
22
DADTI
SYSTEM CONTROL
IC801(1/2)
CLKO
46
24
XBCKI
LRCK
34
23
LRCKI
MNT1
58
2
MNT1
MNT2
56
3
MNT2
SRDT
40
8
SRDT
SENS
48
9
SENS
SWDT
38
5
SWDT
SCLK
42
6
SCLK
XLATCH
50
7
XLAT
SQSY
27
11
SQSY
DQSY
25
12
DQSY
XINT
32
14
XINT
126
OPT1/OPT1
127
COAX/OPT
9
RESET AD/DA
7
14
6
5
4
3
2
A
B
IC405
DIGITAL
INPUT
3
IC402
13
12
IC404
OPT1
11
10
IC404
DIGITAL
INPUT
3
IC401
1
2
IC404
OPT2
3
4
IC404
5
6
IC404
9
8
IC404
J400
J401
T400
4
3
IC406
DIGITAL
OUTPUT
1
IC403
DIGITAL
OUT OPTICAL
2
1
IC406
A/D CONV
IC302
SDATA
15
SCLK
14
LRCK
13
NOISE SHAPER
IC501
DATAI
48
45
LVCKO1
BCKI
49
LRCK
50
SC DATA
33
SHIFT
32
51
OUT SW
INIT
30
LATCH
31
125
D/A LATCH
VC
68
VC
IC509
4
AINL+
8
NSDOL1
IC509
BUFFER
BUFFER
IC510
AMP
IC510
LPF
PJ501
PHONE
LEVEL
RV651
3
5
1
7
HP
AMP
IC651
MUTE
Q651,654
MUTE
Q652,653
PHONES
J651
L
R
L
R
12
LD IN
13
LD OUT
MOTOR
DRIVE
5
6
10
2
M
IC250
LOADING
MOTOR
M10
S10
PACK OUT
S11
CHUCK IN
S12
REC
S102
PROTECT
S13
PLAY
5
CHUCK IN SW
43
REC SW
49
PLAY IN
67
REFRECT SW
68
PROTECT SW
REF VOL
SWITCH
Q251,252
11
LD LOW
8
MUTE
4
A
POWER
SECTION
+5V
REG
1
2
IC191
LD+3.3V
A+3.3V
D+3.3V
+5V
MUTE CONT
Q202
61
SDA
66
SCL
IC171
EEPROM
SDA
5
SCL
6
P DOWN
S101
LIMIT IN
30
LIMIT IN
DIGITAL
OUT COAXIAL
DIGITAL
IN COAXIAL
DIGITAL
IN OPT
44
LVCKO2
DIGITAL FILTER
MCLK
17
RST
10
XIN
13
XOUT
12
45MHz
X501
6
NSDOL2
3
NSDOL3
1
NSDOL4
17
NSDOR1
19
NSDOR2
22
NSDOR3
24
NSDOR4
IN2-
28
IN2+
27
IN1+
25
IN1-
24
1
IO1+
2
IO2-
5
IO2+
4
IO1-
D/A CONV
IC505
IN1-
24
IN1+
25
IN2+
27
IN2-
28
1
IO1+
2
IO2-
5
IO2+
4
IO1-
D/A CONV
IC504
IC508
IC508
BUFFER
BUFFER
IC511
AMP
IC511
LPF
RELAY
DRIVE
Q505
RY501
2
5
AINL-
7
1
IC305
BUFFER
5
7
IC307
AMP
LINE
25
AINR+
2
24
AINR-
1
7
IC306
BUFFER
3
1
IC308
AMP
LINE
ANALOG
REC LEVEL L/R
RV351
ANALOG
IN
ANALOG
OUT
+5V
REG
3
1
IC304
+7V
+5V
+5V
REG
3
1
IC503
+7V
A+5V