Block Diagrams; Cd Servo Section - Sony HCD-MD515 - Component For Dhcmd515 Service Manual

HCD-MD515
RM-MD515

1. BLOCK DIAGRAMS

1-1. CD SERVO 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-213BA/F-NP)
F
41
E
42
LASER DIODE
AUTOMATIC
LD
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
TTL
RF AMP, AMP
TTL
FOCUS/TRACKING
SERVO
IIL
DEFECT
IC101 (1/2) IIL
AMP
SENS1
IIL
C.OUT
SENS2
TTL
FOCUS
FEO FEI
FOCUS PHASE
ERROR 1 2
COMPENSATION
AMP
FE BIAS
40
TRACKING
TEO TEI
I-V TRACKING PHASE
45 47
ERROR
AMP COMPENSATION
AMP
LD PD
AMP AMP
PD
37
9
MUTE
TRACKING IN4A
27
COIL DRIVE
OP OP+,
OUT OP–
FOCUS IN3B
26
24 BUFFER
COIL DRIVE
IC102
SLO SLP
SLED IN2A SLED
6 16 14
MOTOR DRIVE AMP
SLED SERVO
IC101 (2/2)
SPINDLE IN1B
3
MOTOR DRIVE
(ON: When sub tray is completely set into the stocker.)
(ON: When sub tray is at the position where it between
removed tray and set into the stocker.)
(ON: When disc tray is at the position where it can be play.)
(ON: When elevator is at the position where it
each sub tray stocker position.)
– 3 –
DIGITAL SIGNAL PROCESSOR,
FILTER
CLV SERVO PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC103
39 38
42
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
SEIN
25 13
CNIN
DIGITAL CLV
24 14
26
FEO
6
100 26 27 28 29 64
TAO
13
CD MECHANISM
CONTROLLER
IC600 (1/2)
10
BDRST
SUBQ 68
SQCLK 70
SENSE 73
DATA 29
SENSE2
72
CLK 30
XLT 31
SCOR 46
DISC SENSOR 58
MID SENSOR 59
(DISC TRAY OPEN/CLOSE DETECT)
OUTSW 18
INSW 19
ELEVATOR UP/DOWN MOTOR DRIVE
SW501
LDIN 15 15
(STOCKER)
LDOUT 14
20
STKSW
SW504
(MID)
STKUP 17
21 MIDSW
STKDWN 16 10
SW502
(INIT)
23 INITSW
SW503
(COUNT)
24 COUNTSW XMODE 71
SRDT 65
DQSY 47
SCLK 67
40
PCMD
52 53
BCK
54 55
LRCK
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
8 7 9 10 12 11 75 77 76 21 6 89 90 70
X101
16.9344MHz
ON : When the optical pick-up
S101
is inner position.
(LIMIT)
SBSO
2
EXCK
1
DISC IN DETECT
SENSOR
D501, Q501
DISC TRAY CLOSE
DETECT SENSOR
IC501
SW505
OPEN
CLOSE
LOADING MOTOR DRIVE,
IC690
IN1 OUT1
14 M502
MOTOR
M
IN2 OUT2
(LOADING)
2 DRIVE 3
IN3 OUT3
7 6 M501
MOTOR
M
IN4 OUT4
DRIVE (ELEVATOR UP/DOWN)
11
– 4 –
PCMDI
OVER
SERIAL
BCKI SAMPLING
INPUT
DIGITAL
LRCKI
INTERFACE
FILTER
NOISE
SHAPER
PWM &
INTEGRATOR
73
84 95
85 94
BUFFER
86 93
(Page 9)
R-CH
CD PLAY-L
A
D-OUT
B
(Page 6)
CD TEXT DECODER
IC104
32 WORD 8 BIT SRDT
12
DUAL PORT RAM
DQSY
CPU
13
INTERFACE
SCLK
CRC CHECKER 11
TIMING
GENERATOR
4 5 3 6
• SIGNAL PATH
: CD PLAY
: DIGITAL OUT