Table of Contents
Advertisement
5-1.
BLOCK DIAGRAM – SERVO Section –
I
I
1
J
J
2
F
B
C
B
I
J
D
A
A
A
4
B
5
E
C
6
AMP
DETECTOR
D
7
C
D
E
E
8
F
F
AMP
9
LASER DIODE
AUTOMATIC
APC
ILCC
POWER
11
CONTROL
Q302
PD
LD
PD
PD
10
OPTICAL PICK-UP BLOCK
(KMS-241C)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC303
PSB
16
M901
6
OUT4F
IN4R
3
M
(SPINDLE)
8
OUT4R
IN4F
4
M902
27
OUT2F
IN2F
29
M
(SLED)
25
OUT2R
IN2R
30
2-AXIS
DEVICE
FCS+
21
OUT1F
IN1F
19
23
OUT1R
IN1R
18
FCS–
TRK+
12
OUT3F
IN3F
14
TRK–
10
OUT3R
IN3R
15
05
SECTION 5
DIAGRAMS
RF AMP,
FOCUS/TRACKING ERROR AMP
IC302
48 47
RFO
AGCI
RF
RF AGC
RF AMP
46
40
38
& EQ
EQ
B.P.F.
AUX
33
WBL
3T
TEMP
PEAK
37
PEAK &
BOTM
BOTTOM
36
WBL
ADFM
ADIN
ADFG
AT
B.P.F.
29
30
32
AMP
I-V
ABCD
ABCD
35
AMP
FOCUS
FE
34
ERROR AMP
TE
TRACKING
26
I-V
SE
ERROR AMP
28
COMMAND
SERIAL/
LD/PD
PARALLEL
AMP
V-I
CONVERTER,
CONVERTER
DECODER
12
20
16
17
18
+3.3V
PEAK HOLD
ABCD
Q301
SPFD
+3.3V
IC306
SPRD
13
66
75
64
65
74
RECP
APCREF
AUTOMATIC
83
POWER
CONTROL
SFDR
ANALOG MUX
92
SRDR
91
A/D CONVERTER
DIGITAL
SERVO
SIGNAL
FROM CPU
PROCESS
FFDR
INTERFACE
88
FRDR
89
AUTO
SEQUENCER
TFDR
86
DIGITAL SERVO
TRDR
85
SIGNAL PROCESSOR
IC301 (2/2)
15
TX
EFMO
100
FILI
59
PCO
58
PLL
CLTV
61
FILO
60
ASYO
51
ASYI
52
COMPA-
RFI
RATOR
55
SUBCODE
ADIP
PROCESSOR
78
DEMODULATOR/
DECODER
CPU
F0CNT
SPINDLE
INTERFACE
79
SERVO
94 93
10
12
11
14
9 8
5 6 7
5
13
3 1
LEVEL SHIFT
IC502
6
12
4 2
59
62
55
54 52
45 51 64
73 62
63
31
EXTAL
MD MECHANISM CONTROLLER
X501
10MHz
32
XTAL
7
6
5
4
XLRF
80
LOADING
RIN
FIN
CKRF
81
MOTOR DRIVE
DTRF
IC305
82
OUT1 OUT2
ON: When the disc loading start
1
7
and the disc eject completion.
M903
(LOADING)
M
19
19
IC301 (1/2)
ADDT
23
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER, 2M BIT D-RAM
SAMPLING
IC301 (1/2)
RATE
CONVERTER
DIN
DIGITAL
21
AUDIO
DOUT
22
INTERFACE
DADT
DADT, BCK, LRCK, 512FS
24
26
25
27
D-RAM
OSCI
512FS OSC
16
CLOCK
IC304
OSCO
GENERATOR
17
INTERNAL BUS
MONITOR
CONTROL
1 2 3 4
XOE
41
22
XWE
45
3
XRAS
LEVEL SHIFT
44
4
IC503
XCAS
42
23
TH501
26 27 28 29
39
66
A-MUTE
67
IC501 (1/2)
63
11
56
(LIMIT)
LOADING START/
LOADING
ON: When the optical pick-up is
EJECT END
END
inner position.
ON: When completion of
the disc loading.
MDX-C8500R/C8500X
• SIGNAL PATH
: MD PLAY
(Page 21)
A
OE
WE
RAS
CAS
D-RAM
IC307
(Page 21)
EMPHASIS
B
MD-ATT
C
(Page 21)
Advertisement
Table of Contents
