Sony ICF-CD2000 - Block Diagram - CD Section

ICF-CD2000/CD2000S
– 23 –
– 24 –
– 25 –
– 26 –
7-2. BLOCK DIAGRAM – CD Section –
F
E
C
B
A
F
E
C
B
A
DETECTOR
PDLD
LASER DIODE
1
2
3
4
63
62
152
AUTOMATIC
POWER CONTROL
Q601
FIN2
FIN1
E
F
I/V
PD
LD
LDS
LDD
APC
BAL VCA
VCA
RF
DET
47
48
51
37
36
LATCH
RF
RF–
DEF
FSTA
EFBAL
LASER
HFL
DRF
TES
TJP
TGL
TOFF
TH
TA
38
44
52
TE–
6
TE
7
43
40
41
42
10
11
49
50
SLC
TRACKING
SERVO
&
TRACKING
LOGIC
SL–
29
SL+
30
SLEQ
27
33
TO
F/R
DRIVE
H
TRACKING
41
40
OUT2+
OUT2–
(TRACKING)
2833
SLD
F/R
DRIVE
H
SLED
36
35
OUT4+
OUT4–
M601
(SLED)
IN2
171
FD
F/R
DRIVE
H
FOCUS
43
42
OUT1+
OUT1–
(FOCUS)
IN1
IN4
M
2632
SPD
F/R
DRIVE
H
SPINDLE
38
37
OUT3+
OUT3–
M602
(SPINDLE)
IN3
M
SLED
SERVO
FA
19
FD–
18
FA–
20
FE
21
FE–
22
FOCUS
SERVO
&
FOCUS
LOGIC
FILTER
SP8
35
CLV
45
SP
23
SPINDLE
SERVO
25
SP–
SERVO
SWITCH
Q507
SPINDLE
SWITCH
Q514
SPINDLE
SWITCH
Q503-1
FOCUS/TRACKING
COIL DRIVE
SPINDLE/SLED
MOTOR DRIVE
IC601(1/2)
13
TD
TRACKING
SWITCH
Q501-2
65
3
MUTING
Q506
SLOF
SLED
SWITCH
Q503-2
SLED
SWITCH
Q512
SLED
SERVO
Q509
SLC
SLI
RF
SWITCH
Q504
BUFFER
IC505
TRACKING
SWITCH
IC506 (1/2)
TRACKING
SWITCH
Q513
FOCUS
SWITCH
Q501-1
FOCUS
SWITCH
Q502-1
17
18
1
EFM
LEVEL
CONTROL
SYNC • DETECTOR
EFM DEMODULATOR
A/D PCM
ENCODER
DATA LIMIT
CONVERTER
A/D PCM
DECODER
DIGITAL
ATT.
SAMPLING/
DIGITAL FILTER
1BIT
DAC
L. P. F.
53
55
E
(Page 27)
F
(Page 27)
LCHO
RCHO
EFMO
EFMI
DEFI
TRACKING
SWITCH
Q505
34
35
SUB CODE
CONTROL
33
23
3
APC
CONTROL
24
27
26
25
SERVO
COMMANDER
CONT3/SBCK
CONT4/SFSY
CONT2
HFL
PDO
TES
JP+
TGL
TOFF
28
JP– FSEQ V/P CLV+ CONT5/PW RES XOUT XIN COIN
30 36 69
CLV
DIGITAL
SERVO
22 20
2
7
B+
SPINDLE
SWITCH
Q502-2
B
(Page 29)
DRF
H
(Page 30)
SL+
I
(Page 30)
SL–
C
(Page 29)
CDRES
D504
D503
D514
59 60 63
CQCK
64
FMT
67
X501
16.9344MHz
TIMING
GENERATOR
10
SHIFT
REGISTER
11
SCLR
SCK
14
SI
1623 5 7 4
SL MODE T OFF SL OFF RFS SP OFF SP MODE D MUTE
15
12
FMT
RCK
µCOM
INTERFACE
65
66
77
76
75
74
80
62
46
79
SQ OUT
WRQ
PAUSE IN
WOK
CNTOK
OVF
SHOCK
RWC
C2F
EMPN
G
(Page 30)
RCK
A
(Page 29)
VZ
81 – 84
1, 2, 24, 25
89 – 93, 95 – 99
DRAM0 – DRAM3
5, 9 – 12, 14 – 18
85
86
87
88
D-RAM
CONTROLLER
22
3
23
4
D-RAM
IC503
DQ1 – DQ4
A1 – A9
OE
WE
CAS
RAS
D
(Page 28)
28
20
27
23
17
15
149
START
S/S
VE
MUTE
APC DRV
ASP DRV
DNB-2
DNB-1 EXT DRV
APS/APC
CONTROL
IC601 (2/2)
STOP/START
SWITCH
Q610
APC
SWITCH
Q602
ASP
SWITCH
Q606
B+
SWITCH
Q606
B+
SWITCH
Q607
B+
SWITCH
Q608,609
B+
D601
B+
B+
J
(Page 30)
B+
B+
B+
SWITCH
Q604,605
B+
SWITCH
Q511
B+ (CD 3.4V)
B+
B+
TRACKING
SWITCH
IC506 (2/2)
RF AMP,
FOCUS/TRACKING/
SPINDLE/SLED/SERVO
IC501
DIGITAL SIGNAL PROCESSOR,
CLV SERVO, D/A CONVERTER,
D-RAM CONTROLLER
IC502
SQ OUT
WRQ
PAUSE
WOK
CNTOK
OVR
SHOCK
RWC
C2F
EMPN
COIN
CLOCK
L-CH
R-CH
COUNTER
IC404
OE
WE
CAS
RAS
OPTICAL PICK-UP
BLOCK
(DAX-11E)
K
(Page 28)
LMT
S603
(LIMIT)
AD0 – AD9
• SIGNAL PATH
: CD PLAY
LATCH
1
2-AXIS
DEVICE