Block Diagram - Cd Mechanism Deck Section - Sony HCD-GRX7 Service Manual

7-3. BLOCK DIAGRAM – CD MECHANISM DECK 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
RF AMP,
6
FOCUS/TRACKING
IC101 (1/2)
OPTICAL PICK-UP
(KSS-213D/Q-NP)
F
41
E
42 AMP
LASER DIODE
AUTOMATIC
LD
LD
POWER CONTROL 36
AMP
Q101
LD
PD
9
MUTE
2-AXIS
DEVICE
OUT4A
16 TRACKING
OUT4B
COIL DRIVE
15
OUT3A
18 FOCUS
OUT3B
COIL DRIVE
17
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
05
IC102
OUT2A
11 SLED
M102
M
OUT2B
MOTOR DRIVE
(SLED) 12
OUT1A
M101 13
SPINDLE
M
OUT1B
(SPINDLE)
14 MOTOR DRIVE
RF
RFO
33
SUMMING
AMP
RFI
32
FOCUS OK FOK
COMPARATOR
FOCUS OK
AMP
DATA
MIRR
TTL
AMP CLK
TTL
XLT
SERVO
LOCK
IIL
DEFECT IIL
AMP XRST
SENS1
IIL
C.OUT
SENS2
TTL
FOCUS
FEI FEO
FEO
FOCUS PHASE
1 2
ERROR
COMPENSATION
AMP
FE BIAS
40
TRACKING
TAO
TEO TEI
TRACKING PHASE
I-V
ERROR 45 47
COMPENSATION
AMP
PD
AMP
PD
37
IN4A
27
OP OP+,
IN3B OUT OP–
26 24 BUFFER
IN2A SLO SLP
SLED
6 16 14
AMP
SLED SERVO
IC101 (2/2)
IN1B
3
– 25 –
DIGITAL SIGNAL PROCESSOR,
FILTER
CLV SERVO PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC103
39 42 38 40
RF
ASYMMETRY
DIGITAL PLL
44
CORRECTION
ASYI
46
ASYO
47
FOK
27 23
DATO
22 15
CLKO
20 17
XLTO
21 16
19
23
SEIN
25 13
CNIN
DIGITAL CLV
24 14
26
6
8 7 9 10 12 11 75 76 77
100 26 27 28 29 64
13
SYSTEM CONTROLLER
IC501 (1/3)
57
XRST
SQ-DATA-IN 34
36
SQ-CLK (D-OUT ON/OFF)
SENS 74
CD-DATA 47
73 SENS2
CD-CLK 48
XLT 58
SCOR 18
LEVEL SHIFT
DISC-SENS 75
Q701
TBL-SENS 76
OUT-OPEN 81
80
ENC1 4
ROTARY
ENC2 79 2 ENCODER
S811
ENC3 78 3
DISC TRAY SLIDE MOTOR DRIVE
FIN
LOAD-OUT 63 10
RIN
LOAD-IN 2
64
DISC TRAY TURN MOTOR DRIVE
IN1
TBL-L 60 3
IN2
TBL-R 61 6
HCD-GRX7/GRX7J/R700/RX77/RX77S
PCMD PCMDI
52 53
BCKI
BCK
54 55
LRCK LRCKI
50 51
EFM
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
89 90 70
21 6
X101
16.9344MHz
S101
(LIMIT)
ON : When the optical pick-up
is inner position.
DISC SENSOR
IC703
DISC TRAY SENSOR
IC702
S801
(OPEN/CLOSE DET)
CLOSE
OPEN
IC801
OUT1
7 M801
MOTOR
M
OUT2
(DISC TRAY SLIDE)
DRIVE 4
IC701
OUT1
7 M701
MOTOR
M
OUT2
DRIVE (DISC TRAY TURN)
2
– 26 –
OVER
SERIAL
SAMPLING
INPUT
DIGITAL
INTERFACE
FILTER
NOISE
SHAPER
PWM &
INTEGRATOR
73
84 95
85 94
BUFFER
86 93
R-CH
A
(Page 29)
OPTICAL
TRANSCEIVER
IC381
IC381
CD DIGITAL
OUT
OPTICAL
• SIGNAL PATH
: CD PLAY
: DIGITAL OUT