Block Diagram - Cd Section - Sony HCD-XB66 Service Manual

HCD-XB66/XB660
7-2. BLOCK DIAGRAM – CD Section –
PD1 I-V AMP
PD1
4 38
DETECTOR
PD2 I-V AMP
A D
PD2
5 39
1
B C
2
F
10
E
6
OPTICAL PICK-UP
(KSS-213D/Q-NP)
41
42
LASER DIODE
AUTOMATIC
POWER CONTROL 36
Q101
LD
PD
2-AXIS
DEVICE
OUT4A
16
OUT4B
15
OUT3A
18
OUT3B
17
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
05
OUT2A
11
M102
M
OUT2B
12
(SLED)
OUT1A
M101 13
M
OUT1B
(SPINDLE)
14
RF
RFO
+ SUMMING 33
AMP
RFI
32
FOCUS OK
COMPARATOR
FOCUS OK
AMP
MIRR
RF AMP, AMP TTL
TTL
FOCUS/TRACKING
SERVO
IIL
DEFECT
IC101 (1/2) IIL
AMP
IIL
TTL
FOCUS
FEI
FEO FOCUS PHASE
1 2
ERROR
COMPENSATION
AMP
FE BIAS
40
F
TRACKING
TEO TEI
I-V TRACKING PHASE
ERROR 45 47
E
AMP COMPENSATION
AMP
LD
LD PD
AMP AMP
PD
37
9
MUTE
IN4A
TRACKING
27
COIL DRIVE
OP OP+,
IN3B OUT OP–
FOCUS
26 24 BUFFER
COIL DRIVE
IC102
SLED IN2A SLO SLP
SLED
6 16 14
MOTOR DRIVE
AMP
SLED SERVO
IC101 (2/2)
SPINDLE IN1B
3
MOTOR DRIVE
– 27 –
DIGITAL SIGNAL PROCESSOR,
FILTER
CLV SERVO PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC103
39 42 38
RF ASYMMETRY
44 DIGITAL PLL
CORRECTION
ASYI
46
ASYO
47
FOK FOK
27 23
DATA
DATO
22
15
CLK CLKO
20 17
XLT XLTO
21 16
LOCK
19
XRST
23
SENS1 SEIN
25 13
CNIN
C.OUT
DIGITAL CLV
24 14
SENS2
26
FEO
6
100 26 27 28 29 64
TAO
13
SYSTEM CONTROLLER
IC301 (1/3)
57
XRST
SQ-DATA-IN 34
SQ-CLK 36
SENS 74
CD-DATA 47
73 SENS2
CD-CLK 48
XLT 58
SCOR 18
S201
(UP)
UPSW 77
T-SENS 76
DISC TRAY TURN MOTOR DRIVE
TBL-L 60
TBL-R 61
TRAY-LED 62
40
PCMD
52
BCK
54
LRCK
EFM 50
C2PO
DEMODULATOR
63
RFCK
62
WDCK
49
SUB-CODE
PROCESSOR
DOUT
DIGITAL
71
OUT
ERROR 16K
EMPH
CORRECTOR RAM 72
GFS
61
WFCK
74
GTOP
58
TIMING
CLOCK
CPU INTERFACE
LOGIC
GENERATOR
8 7 9 10 12 11 75 76 77 21 6 89 90 70
X101
+5V 16.9344MHz
S101
(LIMIT)
ON : When the optical pick-up
is inner position.
DISC TRAY SENSOR
IC202
IC201
IN1 OUT1
9 7 M201
MOTOR
M
IN2 OUT2
DRIVE (DISC TRAY TURN)
1 3
LED DRIVE D201
Q201 (DISC No.)
– 28 –
PCMDI
OVER
53
SERIAL
BCKI SAMPLING
55
INPUT
DIGITAL
LRCKI
INTERFACE
51
FILTER
NOISE
SHAPER
PWM &
INTEGRATOR
73
84 95
85
94
BUFFER
86 93
R-CH
A
(Page 31)
OPTICAL
TRANSCEIVER
IC391
IC391
CD DIGITAL
OUT
OPTICAL
• SIGNAL PATH
: CD PLAY
: DIGITAL OUT