Read Sony HCD-MD515 Service Manual online
HCD-MD515
RM-MD515
– 3 –
– 4 –
1.
BLOCK DIAGRAMS
1-1.
CD SERVO Section
XROF
M
M
A
B
D
F
E
C
I-V AMP
DETECTOR
39
1
2
10
6
5
4
38
16
15
18
17
12
OUT2A
OUT2B
SLO
OUT3B
OUT3A
OUT4A
OUT4B
SPINDLE
MOTOR DRIVE
M101
(SPINDLE)
SLED
MOTOR DRIVE
11
M102
(SLED)
FOCUS
COIL DRIVE
BUFFER
OUT1A
OUT1B
OUT1B
3
6
27
9
26
24
IN3B
IN4A
MUTE
IN2A
IN1B
SLP
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
16
14
SLED
AMP
LD
PD
LASER DIODE
OPTICAL PICK-UP
(KSS-213BA/F-NP)
2-AXIS
DEVICE
(FOCUS)
(TRACKING)
33
32
27
44
23
22
20
21
19
23
RF AMP,
FOCUS/TRACKING
SERVO
IC101 (1/2)
FOCUS OK
COMPARATOR
MIRR
AMP
DEFECT
AMP
FOCUS OK
AMP
IIL DATA REGISTER
40
38
FILTER
42
39
FILO
PCO
CLTV
FILI
DIGITAL PLL
ASYMMETRY
CORRECTION
CORRECTION
CRC CHECKER
CPU
INTERFACE
32 WORD
×
8 BIT
DUAL PORT RAM
EFM
DEMODULATOR
SERIAL
INPUT
INTERFACE
OVER
SAMPLING
DIGITAL
FILTER
NOISE
SHAPER
PWM &
INTEGRATOR
BUFFER
ERROR
CORRECTOR
16K
RAM
SUB-CODE
PROCESSOR
TIMING
GENERATOR
SERVO AUTO SEQUENCER
DIGITAL CLV
17
15
52
54
50
100
16
LRCKI
BCKI
8 7 9 10 12 11 75 77 76
26
28
14
12
13
2
13
SBSO
1
EXCK
WFCK
MCK
SCOR
XMODE
SRDT
DQSY
11
4
5
3
6
SCLK
S101
(LIMIT)
M
7
10
6
11
MOTOR
DRIVE
OUT3
OUT4
IN3
IN4
M501
(ELEVATOR UP/DOWN)
41
42
36
37
1
40
45
2
47
13
14
6
25
24
13
+
PD1
PD1 I-V AMP
RFO
RF
46
ASYI
47
ASYO
FOK
DATO
CLKO
XLTO
SEIN
CNIN
CNIN
SUBQ
SQCLK
SENSE
DATA
CLK
SCOR
MON
MDP
MDS
29
LOCK
64
SQSO
SQCK
SENS
DATA
CLOK
XLAT
SCOR
EXCK
SBSO
SPOD
GFS
EMPH
WFCK
GTOP
X101
16.9344MHz
RFI
FOK
DATA
CLK
SENS1
26
SENS2
C.OUT
XLT
LOCK
XRST
PD2 I-V AMP
PD2
TTL
IIL
FEO
TEO
PD
FEI
FEO
TAO
TEI
TTL
IIL
TTL
IIL
FOCUS
ERROR
AMP
RF
SUMMING
AMP
TRACKING
ERROR
AMP
TRACKING PHASE
COMPENSATION
FOCUS PHASE
COMPENSATION
AUTOMATIC
POWER CONTROL
Q101
I-V
AMP
LD
AMP
PD
AMP
FE BIAS
F
E
LD
89
XRST
XTAI
90
XTAO
70
C4M
CKO
PCMD
BCK
LRCK
63
C2PO
62
49
RFCK
WDCK
PCMDI
BDRST
XLT
SLED SERVO
IC101 (2/2)
05
DIGITAL SIGNAL PROCESSOR,
CLV SERVO PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC103
CD MECHANISM
CONTROLLER
IC600 (1/2)
CD TEXT DECODER
IC104
ON : When the optical pick-up
is inner position.
• SIGNAL PATH
(Page 9)
(Page 6)
: CD PLAY
: DIGITAL OUT
27
CPU INTERFACE
D/A
INTERFACE
CLOCK
GENERATOR
TIMING
LOGIC
74
58
DOUT
71
53
55
55
51
EMPHI
AOUT1
AOUT2
LOUT1
LOUT2
R-CH
AIN1
AIN2
CD PLAY-L
D-OUT
SENSE2
72
20
68
70
73
73
29
30
31
46
XMODE 71
SCLK 67
SRDT 65
DQSY 47
DISC TRAY CLOSE
DETECT SENSOR
IC501
DISC IN DETECT
SENSOR
D501, Q501
DISC SENSOR
INSW
SW505
(DISC TRAY OPEN/CLOSE DETECT)
SW501
(STOCKER)
(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.)
SW504
(MID)
SW502
(INIT)
SW503
(COUNT)
10
A
B
58
MID SENSOR 59
TRACKING
COIL DRIVE
OP
OUT
OUT
OP+,
OP–
22, 23
6
INTERNAL BUS
DIGITAL
OUT
61
72
73
84
95
85
94
86
93
OPEN
CLOSE
19
OUTSW 18
21
17
16
LDIN
M
15
2
14
3
MOTOR
DRIVE
LOADING MOTOR DRIVE,
ELEVATOR UP/DOWN MOTOR DRIVE
IC690
OUT1
OUT2
IN1
IN2
M502
(LOADING)
15
14
LDOUT
STKUP
STKSW
COUNTSW
INITSW
MIDSW
STKDWN
21
23
24
Click on the first or last page to see other HCD-MD515 service manuals if exist.