Read Sony HCD-MD515 Service Manual online
HCD-MD515
RM-MD515
– 5 –
– 6 –
1-2.
MD SERVO Section
F
C
B
D
A
E
I
J
J
I
B
A
C
D
D
E
F
DETECTOR
1
2
J
I
4
5
6
7
A
B
C
D
D
8
9
E
F
LD
PD
LASER DIODE
ILCC
PD
OPTICAL PICK-UP
(KMS-260A/J1N)
AUTOMATIC
POWER
CONTROL
Q162, 163
LASER ON
SWITCH
Q101
OVER WRITE
HEAD DRIVE
IC181, Q181, 182
HF MODULE
SWITCH
Q102 – 104, 113
11
10
APC
PD
LD/PD
AMP
APCREF
I-V
AMP
I-V
AMP
AT
AMP
B.P.F.
29
30
WBL
ADFM
ADIN
32
ADFG
ABCD
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
35
34
26
28
ABCD
FE
TE
SE
V-I
CONVERTER
20
F0CNT
WBL
3T
EQ
SERIAL/
PARALLEL
CONVERTER,
DECODER
COMMAND
17
16
18
SWDT
SCLK
XLAT
RF AMP
B.P.F.
46
RFO
40
RF AGC
& EQ
AGCI
EQ
38
RF
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
TEMP
48 47
MORFO
MORFI
3T
PEAK &
BOTTOM
WBL
33
AUX
62
37
PEAK
36
BOTM
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC152
6
8
OUT4F
OUT4R
M
M901
(SPINDLE)
27
25
OUT2F
OUT2R
M
M902
(SLED)
21
23
OUT1F
OUT1R
12
10
OUT3F
OUT3R
FCS+
FCS–
TRK+
TRK–
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
3
4
IN4R
IN4F
29
30
IN2F
IN2R
19
18
IN1F
IN1R
14
15
IN3F
IN3R
MOD
SPFD
SPRD
92
91
88
89
86
85
APCREF
SFDR
SRDR
FFDR
FRDR
TFDR
TRDR
16
PSB
PWM GENERATOR
AUTOMATIC
POWER
CONTROL
DIGITAL
SERVO
SIGNAL
PROCESS
74
65
64
66
75
ANALOG MUX
A/D CONVERTER
AUTO
SEQUENCER
FROM CPU
INTERFACE
DIGITAL SERVO
SIGNAL PROCESSOR
IC121 (2/2)
RECP
+3.3V
AUX2
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
81
80
82
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
PLL
FILTER
59
58
61
60
FILI
PCO
CLTV
FILO
100
EFMO
23
ADDT
IC121 (1/2)
15
TX
51
52
55
ASYO
ASYI
RFI
SCTX
HR901
OVER WRITE HEAD
ADIP
DEMODULATOR/
DECODER
78
ADFG
SPINDLE
SERVO
F0CNT
94 93
SPFD
SPRD
SUBCODE
PROCESSOR
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
INTERFACE
DIGITAL SIGNAL
SWITCH
IC641
RIPPLE
FILTER
Q641
22
21
DIN
DOUT
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER, 2M BIT D-RAM
IC121 (1/2)
DADT
INTERNAL BUS
D-RAM
CLOCK
GENERATOR
25
26
27
XBCK
LRCK
FS256
X100
22.5792MHz
OSCI
OSCO
CPU
INTERFACE
MONITOR
CONTROL
CONTROL
10
XRST
12
DQSY
11
SQSY
14
XINT
9 8
5 6 7
SENS
SRDT
SWDT
SCLK
XLAT
1
2
3
4
MNT0
MNT1
MNT2
MNT3
FOK
SHOCK
XBUSY
SLOCK
SWDT
SCLK
XLAT
40
35 37 38
48 47 46 45
MNT0
MNT1
MNT2
MNT3
DIG-RST
SQSY
DQSY
LDON
WRPWR
MOD
XINT
SENS
SRDT
75
76
HEAD UP
HEAD DOWN
4
5
6
5
05
1
7
M
FIN
RIN
SDA
SCL
OUT1 OUT2
OVER WRITE HEAD
UP/DOWN
MOTOR DRIVE
IC172
EEPROM
IC171
M905
(OVER WRITE HEAD UP/DOWN)
XIN
SDA
SCL
XOUT
X302
7MHz
47, 46, 48, 49
1, 2, 18, 19
D0 – D3
32 – 29, 34 – 38, 43
6 – 9, 11 – 15, 5
A00 – A09
D0 – D3
A00 – A09
41
16
45
3
44
4
42
17
XOE
XWE
XRAS
XCAS
XOE
XWE
XRAS
XCAS
D-RAM
IC124
MD MECHANISM CONTROLLER
IC316 (1/2)
73
13
63
50
79
83
12
HF MODULE
16
17
E
(Page 7)
(Page 4)
(Page 7)
(Page 7)
B
C
ADDT
D-OUT
(Page 7)
D
DIGITAL SELCT
MD D+5V
VCC
DADT
XBCK, LRCK, FS256
F
5 23 41 36
20
49
44
15
13
79
SCTX
80
42
REFLECT
54
HEAD SW DOWN
PROTECT
S683
(PROTECT)
74
55
S682
(REFLECT)
59
73
LIMIT-IN
HEAD SW UP
S681
(LIMIT IN)
•
SIGNAL PATH
: MD PLAY
: MD REC (ANALOG INPUT)
: MD REC (DIGITAL INPUT)
: MD REC (ANALOG INPUT)
: MD REC (DIGITAL INPUT)
: MD REC (CD DIGITAL INPUT)
COMPA-
RATOR
EFM/ACIRC
ENCODER/DECODER
SHOCK PROOF
MEMORY CONTROLLER
ATRAC
ENCODER/DECODER
24
S6
OVER WRITE HEAD
UP DETECT
S7
OVER WRITE HEAD
DOWN DETECT
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