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4-2. BLOCK DIAGRAM — CD SECTION —
OPTICAL PICK-UP
BLOCK
VF2
1
2
+3V
VT2
3
4
5
VT1
6
VC
VF1
7
8
MD
9
10
LD
11
LD
DRIVEW
Q201
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING MOTOR DRIVE
IC351
13
VO1+
FOCUS
14
FOCUS
COIL
COIL
VO1-
12
DRIVE
13
15
VO2+
12
TRACKING
TRACKING
COIL
COIL
14
VO2-
DRIVE
11
VO4+
+
SPINDLE
15
M2
M
MOTOR
VO4-
(SPINDLE)
16
DRIVE
-
SLED/
+
VO3+
17
LOADING
M1
M
MOTOR
VO3-
(SLED/LOADING)
18
-
DRIVE
RF AMP,DSP,DEC
IC201
126
B
127 D
128
F
129
E
124
A
125 C
141
PD
142
LD
DRAM
IC202
RAS
68 RAS
18
LCAS
35
69 CAS0
UCAS
34
70 CAS1
17
71 WE
WE
OE
33
72 OE
2
DQ1
I
I
5
DQ4
•
DQ5
7
I
I
DQ8
73
RDB0
10
I
•
I
88
DQ9
41
RDB15
I
I
DQ12
44
•
46
DQ13
I
I
49
DQ16
21
A0
I
I
A3
24
90
RA0
•
I
I
A4
27
99
RA9
I
I
A9
32
VC
REFOUT
131
OPIN1-
3
105
FD
OPIN2-
6
106
TD
OPIN4-
26
108
MD
OPIN3-
23
SD
107
STBY1
9
STBY2
20
23
35
LOUT
ROUT
27
MECHANISM CONTROL
IC301
RST
2
67
PRESET OUT
RESET
AB12
3
61
AD12/HAD12
MS CS
I
I
I
I
7
57
AB8
AD8/HAD8
CLK
DCDMS
AD7
8
54
AD7/HAD7
I
I
I
I
DMSCD
AD0
15
47
AD0/HAD0
MS SRQ
READY 90
BATT IN
CS
16
65
CS
ASTB
17
44
ASTB/HAST
HEAD/HDSTB
READ
18
43
WRITE
19
40
WRITE
9 POWER CONT
BUFFER
IC302
POWER CONT 5
1
OE
WAIT
Y
20
2
A
4
27 WAIT
INTQ
21
87 INTQ
EJECT MUTE
RFOK
53
68 RFOK
LIMIT SW
LOCK
61
69 LOCK
SW3
SW2
SW1
XTAL1 O
39
X211
16.9344MHz
XTAL1 I
38
X2
2 DRV CONT
X1
23
CDC-R30MP/X30MP
CD L
CD R
31
RESET
91
CDS CS
96
CDS CLK
95
CDS DCDMS
94
CDS DMSCD
97
CDS SRQ
READY
D301
92
BATT IN
+3V REG
IC511
+3V
2
V OUT
V IN
1
CD+8V
ON/OFF
5
+3.3V REG
IC501
OUT
+3.3V
1
IN
2
BU+5V
99
MUTE
93
86
89
SW1
88
S1
S2
S3
S4
(DISC IN1)
(DISC IN2)
(CHUCH)
(LIMIT)
35
X301
16.9344MHz
36
• Signal path
: CD
MAIN
A
SECTION
(Page 24)
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