Block Diagram - Md Servo Section - Sony HCD-C5 Service Manual

6-3. BLOCK DIAGRAM – MD SERVO SECTION –
HR901
OVER WRITE HEAD
48
OPTICAL PICK-UP
(KMS-260B)
I I
1
RF AMP
J
J
2
VC 3 VC
D101
F TEMP
SENSOR
B 15 TEMPR
C B
14 TEMPI
I J
D A
A A
4
B
5
I-V
C
E
AMP
6
D
DETECTOR
7
C
D
E E
8
I-V
F F
AMP
9
LD+3V
Q121, 122
APC
ILCC LD/PD
AUTOMATIC 11
AMP
POWER CONTROL
PD LD
LASER DIODE
Q101
PD PD
LASER ON 10
SWITCH
IC141
FOCUS/TRACKING COIL DRIVER,
SPINDLE/SLED MOTOR DRIVER
16
PSB
SPFD
6 OUT4F IN4R 3
M701
M M
SPRD
(SPINDLE)
8 OUT4R IN4F 4
27 OUT2F IN2F 29
M702
M
(SLED)
25 OUT2R IN2R 30
2-AXIS
DEVICE
FCS+
IN1F
21 OUT1F 19
23 OUT1R IN1R 18
FCS–
TRK+
12 OUT3F IN3F 14
TRK–
10 OUT3R IN3R 15
MOD
HF MODULE
IC181, Q181 182
OVER WRITE
HEAD DRIVE
SCTX
IC151 (1/2)
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
47 IC101
RF AMP,
FOCUS/TRACKING ERROR AMP
RFO AGCI RF AGC RF
46 40 38
& EQ
EQ
WBL
B.P.F.
AUX
33
PEAK
3T
37
TEMP PEAK &
BOTM
BOTTOM
36
WBL
ADFM ADIN
AT ADFG
B.P.F. 29 30 32
AMP
ABCD ABCD
35
AMP
FE
FOCUS
34
ERROR AMP
TE
26
TRACKING
SE
ERROR AMP
28
COMMAND
SERIAL/PARALLEL
V-I F0CNT
CONVERTER, 20
CONVERTER
BUP+3.3V
DECODER
12 16 17 18
83 10 13 67 65 66 75 74 63 64
RECP
XRST
AUTOMATIC
POWER
CONTROL
SFDR
92
ANALOG MUX
SRDR
91
A/D CONVERTER
DIGITAL SERVO
SIGNAL
FROM CPU
FFDR PROCESS
88
INTERFACE
FRDR
89
XLRF XLAT
80
CKRF SCLK
AUTO
81
SEQUENCER DTRF
SWDT
82
TFDR
86
IC151 (2/2)
TRDR
85
DIGITAL SERVO
SIGNAL PROCESSOR
15 68
TX VC
EFMO
100
FILI
60
PCO
CONVERTER
59
CLTV PLL
62
FILO
61
ASYO
53
INTERFACE
ASYI
54
COMPA-
RFI
RATOR
57
SUBCODE
ADIP PROCESSOR
78 DEMODULATOR/
DECODER
CPU
INTERFACE
F0CNT SPINDLE
79
SERVO
94 93 12 11 14 9 8 5 6 7
IC861
5 RESET 3
18 20 25 58 32 31 33 50
Q861
SWITCH
12
S-RST
LDON
57
52
DIG-RST
54 WRPWR
56 MOD
67 66
9 7
VCC 6
IC871
LOADING
MOTOR DRIVER VREF 1
VOLTAGE SWITCH
4 2
M
M703
(LOADING)
(REFLECT
→ PROTECT)
3 4
-A
IC102
WAVEFORM
Q131 - 134 SHAPER
HF MODULE
LD+3.3V
SWITCH
47 47
IC151 (1/2)
ADDT
25
DADTI
DADTI
SAMPLING
22
RATE
XBCKI
XBCKI
24
LRCKI
LRCKI
23
DIN
DIN0
19
DIGITAL
DIN1
AUDIO 20
DOUT DOUT
21
DADT
26
XBCK
28
LRCK
27
FS256
29
X171
90MHz
OSCI
16
CLOCK
OSCO IC153
GENERATOR
17
D-RAM
INTERNAL BUS
MONITOR
CONTROL
1 2 3 4 XOE
43 22 OE
XWE
47 3 WE
XRAS
46 4 RAS
XCAS
44 23 CAS
PDOWN
59 48 19
XIN-T 10
X717
32kHz
11
XOUT-T
15
XIN
X720
10MHz
13
XOUT
OPTO
81
OPTSEL
IC701
82
ADPDWN
IC195
MASTER CONTROLLER
EEPROM
47 7 WP
EEP-WP
M+7V
45 6 SCL
EEP-CLK
60 5 SDA
EEP-DATA
Q871, 872
REFERENCE
65 LOAD-LO
S101
55 LIMIT-IN
(LIMIT IN) Q211
S103
(OUT)
49
OUT-SW MUTE 76 SWITCH 12
S104
(PLAY)
51 PLAY-SW
79 13
SLICER-SEL
S105
(REC) 78 1
53 DA-RESET
REC-SW
80 21
SPDIF-LOCK
S102 61
REFLECT
I2C-BUSY
23
I2C-BUSY
44 PROTECT I2C-CLK
29
IOP I2C-CLK
89 IOP
I2C-DATA
I2C-DAT 30
SPDIF-CUT 72
IC190
+3.3V
LD+3.3 V +5V
3 1
REG
HCD-C5
• Signal Path
: PB (MD)
: REC (MD)
: CD (DIGITAL)
: CD (ANALOG)
DIN , OPTO
A
CD
SERVO
SECTION
(Page 46)
PDOWN , MUTE
B
IC201 MAIN
A/D SECTION
CONVERTER (Page 48)
13 11 12
1 REC-L
VINL
3
VINR R-CH
PWON
7
8
C
MAIN
SECTION
15 16 33 37 29
(Page 48)
MUTE 18 MD-L
VOUTL
SLICER-SEL
IC211 VOUTR 22 R-CH
RESET D/A
CONVERTER
LOCK
VDDA (DAC) 32
I2C-DATA,I2C-CLK,
I2C-BUSY
D
Q201,202
MAIN
+B
SECTION
+3.3V
SWITCH
(Page 48)