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7-1.
BLOCK DIAGRAM – CD Section –
OPTICAL PICK-UP
RF AMP
BLOCK
IC103
VC
2
VC
RF AC
27
15
VCC
4
VDD (3.3V)
A
RFDC
6
28
B
RFDCI
7
29
PD1
7
C
8
PD2
5
D
FE
9
16
I5-10
3
E
FEI
10
17
I1-6
1
F
11
TE
18
AUTOMATIC
LD
LD
POWER CONTROL
1
Q101
RV101
GND
E-F BALANCE
TE_BAL
SW
19
12
(1 TRACK JUMP)
PD
2
PD
VR
MOTOR/COIL DRIVE
IC102
F+
52
VO1+
IN1+
35
FOCUS
COIL
F-
47
VO1-
IN1-
34
T+
56
VO2+
IN2+
32
TRACKING
COIL
T-
55
VO2-
IN2-
31
2
VO3+
IN3+
27
M102
M
(SLED)
1
VO3-
IN3-
26
10
VO4+
IN4R
24
M101
M
(SPINDLE)
5
VO4-
STBY
8
SECTION 7
DIAGRAMS
DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC101
RFAC
50
RFDC
43
D/A CONVERTER,
FE
PCMD
SDIO
39
66
12
BCLK
BCKIA
67
13
TE
LRCK
LRCKIA
41
65
14
SE
XTAI
40
71
X201
16.9344MHz
XTAO
72
62
XI
63
XO
33
FFDR
34
FRDR
31
TFDR
32
TRDR
DATA
4
29
SFDR
CLOK
6
XLAT
5
30
SRDR
SQCK
77
SCLK
8
25
MDP
SCOR
15
SQSO
76
SENS
7
XRST
2
MP3 DECODER
IC104
LO
23
RO
26
R-CH
SYSTEM CONTROLLER
IC901 (1/3)
MIDIO
5
64
IO-MIDIO
O-ELV_POS
STAND BY
19
38
O-MP3STB
O-ELV_NEG
MICK
6
62
O-MICK
MIACK
7
37
I-MIACK
RESET
1
19
O-MP3RST
O-LOD_NEG
MICS
3
5
O-MICS
O-LOD_POS
REQ
39
65
I-MP3REQ
MILP
4
66
O-MILP
52
O-DATA
O-SLD_POS
55
O-CLOCK
O-SLD_NEG
60
O-XLT
57
O-SQCK
21
I-SCOR
56
I-SQSO
I-SLD_E0
58
I-SENS
I-SLD_E1
I-SLD_E2
I-SLD_E3
I-ELV_E0
I-ELV_E1
I-ELV_E2
I-ELV_E3
O-XRST
61
O-PWM3
49
O-PWM2
51
O-PWM1
47
O-LDON
59
I-D_SENSOR
27
27
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD
CD-L
A
(Page 28)
STOCKER MOTOR DRIVE
IC721
7
FIN
OUT1
4
75
M761
M
9
OUT2
2
(STOCKER)
87
RIN
ROLLER MOTOR DRIVE
IC711
85
7
FIN
OUT1
4
M781
M
(ROLLER)
77
9
RIN
OUT2
2
MODE MOTOR DRIVE
IC701
76
7
FIN
OUT1
4
M771
M
(MODE)
86
9
RIN
OUT2
2
S771
ROTARY ENCODER (MODE)
88
1
73
2
G
89
3
70
4
S702
ROTARY ENCODER
(STOCKER POSITION)
90
1
69
2
G
67
3
68
4
S711 (DISC INSERT(8/12cm))
S711
(ON : When disc insert)
82
I-SW1-A
S713
(ON : Play position)
S713 (DISC IN (8/12cm))
I-SW2-A
79
ON : Play position
S714
S714 (DISC IN (8cm))
(8cm disc only)
I-SW2-B
83
S715
(ON : When disc out from play position)
S715 (DISC OUT)
OFF: In the Midst disc is moving
I-SW3
80
S718
between play position and
S718 (STOCKING)
stocker
I-SW4
78
In the midst disc is moving
S717 (DISC POSITION)
between play position and stocker
S717
I-SW5-A
84
ON : disc is play position side
S716 (STOCKER IN/OUT)
OFF : disc is stocker side
I-SW5-B
74
ON : The moment disc in/out
S716
from stocker
DISC INSERT
LEVEL SHIFT
DETECT SENSOR
81
Q731
IC751
CX-BK2
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