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– MD Section –
HCD-MD313
OVER WRITE
HEAD DRIVE
Q181, 182
HR901
OVER WRITE
HEAD
DETECTOR
ABCD
ABCD
34
65
FE
FE
26
74
TE
TE
28
73
SE
SE
4
5
8
9
A
B
C
D
35
ABCD
AMP
FOCUS
ERROR
AMP
TRACKING
ERROR
AMP
64
32
78
ADFG
ADFG
6
7
E
F
IV AMP
IV AMP
1
2
I
J
48 47
MORFO
MORFI
RFO
AGCI
J
I
F
E
A
B
C
D
A
B
C
D
E
F
I
J
OPTICAL PICK-UP BLOCK
(KMS-260A/J1N)
• SIGNAL PATH
: PB
: REC
: digital out (CD)
PD
PD
TEMP
AMP
33
66
AUX
AUX1
15
14
VCC
TEMPR
TEMPI
D101
36
63
BOTM
BOTM
37
62
PEAK
PEAK
PEAK &
BOTTOM
RF AGC & EQ
38
RF
55
RFI
BPF
P-P
30
ADIN
29
ADFM
31
VC
AT
AMP
BPF
16
82
SWDT
DTRF
17
81
SCLK
CKRF
18
80
XLAT
XLRF
SERIAL
↓
PARALLEL
DECODER
VC
27
CSLED
VC
22
EQADJ
23
3TADJ
25
WBLADJ
VICONV
FOCNT
FOCNT
20
79
E-F
BALANCE
CVB
3
VC
VC
VC
11
APC
APCREF
12
LASER ON
SW
Q101
10
PD
+
–
APC
Q162, 163
HF MODULE
SW
IC103, Q102-104
05
LASER
DIODE
SLED/SPINDLE MOTOR DRIVE
FOCUS/TRACKING COIL DRIVE
IC152
12
TRDR
TFDR
14
DRIVER
FSC+
21
FSC–
23
FFDR
19
FRDR
18
DRIVER
SLED+
27
SLED–
25
SFDR
29
SRDR
30
M
M902
SLED MOTOR
DRIVER
SPDL+
6
SPDL–
8
SPRD
4
SPFD
3
M
M901
SPINDLE MOTOR
16
PSB
XRST
CLTV
FILO
FILI
61
60
59
58
PLL
FILTER
PCO
67
VC
ANALOG
MUX
VC
93
SPRD
ADIP
DEMODULATOR/
DECODER
94
SPFD
95
FG IN
SPINDLE
SERVO
91
SRDR
92
SFDR
85
TRDR
86
TFDR
89
FRDR
88
FFDR
83
APCREF
PWM
GENERATOR
A/D
CONVERTER
10
XRST
13
RECP
APC
SERVO
DSP
47 • 46 • 48 • 49
D0 –––––––– D3
32–29 • 34–38 • 43
A0 –––––––––– A9
6
ı
9
•
11
ı
15
•
5
1
•
2
•
18
•
19
DQ1
|
|
|
|
DQ4
A0
|
|
||
|
|
|
A9
41
16
XOE
XOE
42
17
XCAS
XCAS
44
4
XRAS
XRAS
45
3
XWE
XWE
DRAM
IC124
CPU
I/F
MONITOR
CONTROL
MNT0
MNT1
MNT2
1
2
3
4
MNT3
SWDT
SCLK
SRDT
5
6
8
9
SENS
XLAT
7
DQSY
12
11
SQSY
SUBCODE
PROCESSOR
MNT0
MNT1
MNT2
MNT3
SWDT
SCLK
SRDT
SENS
XLAT
DQSY
SQSY
AUTO
SEQUENCER
CLOCK
GENERATOR
OSCI
LRCK
XBCK
16
25
26
27
FS256
OSCO
17
LRCK
BCK
FS256
X101
22 MHz
22
DOUT
SAMPLING
RATE
CONVERTER
20
3
DIGITAL SERVO SIGNAL PROCESSOR, DIGITAL SIGNAL PROCESSOR
EFM/ACIRC ENCODER/DECODER, SHOCK-PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER, 2M-BIT DRAM
IC121
46 40
RF AMP
15
TX
XINIT
24
DADT
DADT
23
ADDT
ADDT
DIN
DIN
XINT
SCTX
DIGITAL
AUDIO
I/F
BUFFER
IC401
14
D
MAIN
SECTION
(Page 31)
CHUCK IN
PROTECT
REFLECT
LIMIT
REC P
PB P
PACK OUT
LOAD-OUT
LOAD-IN
XRST
M
M903 (MD)
LOADING MOTOR
SCL
SDA
MOD
WRPWR
LDON
DETECT SW
S681 - 683,
S685 - 688
5
6
SCL
SDA
EEP ROM
IC171
HCD-MD313 (2/3)
MD Section
IC181 (2/4)
4
5
6
IC181 (1/4)
1
2
3
IC181 (3/4)
9
10
8
IC181 (4/4)
12
13
11
21
ATRAC
ENCODER/
DECODER
EFM,
ACIRC,
ENCODER/
DECODER
SHOCK
RESISTANT
MEMORY
CONTROLLER
7
1
100
EFMO
RF AMP
IC101
DRIVER
10
15
OVER WRITE HEAD DRIVE
– 29 –
– 30 –
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299