Block Diagram - Md Section - Sony HCD-CP500MD Service Manual

HCD-CP500K/CP500MD
BLOCK DIAGRAM – MD SECTION –
HR901
OVER WRITE HEAD
48
OPTICAL PICK-UP
(KMS-260B)
I
I
1
RF AMP
J J
2
3
VC VC
D101
TEMP
F
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
OUT4F
6 IN4R 3
M101
M M
SPRD
(SPINDLE)
8 OUT4R IN4F 4
27 OUT2F IN2F 29
M102
M
(SLED)
25 OUT2R IN2R 30
2-AXIS
DEVICE
FCS+
21 OUT1F IN1F 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
RF AGC
46 40 38
& EQ
EQ
WBL
B.P.F.
AUX
33
3T PEAK
37
TEMP PEAK &
BOTM
BOTTOM
36
WBL
ADFM ADIN ADFG
AT
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
F0CNT
V-I
CONVERTER, 20
CONVERTER
DECODER
12 16 17 18
MD BACKUP
(3.3V)
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
AUTO CKRF SCLK
81
SEQUENCER
DTRF SWDT
82
TFDR
86
IC151 (2/2)
TRDR
85
DIGITAL SERVO
SIGNAL PROCESSOR
15 68
TX VC
EFMO
100
FILI
SAMPLING
60
PCO
CONVERTER
59
PLL
CLTV
62
FILO
61
DIGITAL
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
Q333
MD RESET
SWITCH
IC308 25 27 32 48 40 38 42 50
5 RESET 3
19
RESET
LDON
29
47 DIG-RST
35 WRPWR
14
MOD
12 13
6 5
VCC 7
IC1004
LOADING
MOTOR DRIVE VREF 4
VOLTAGE SWITCH
2 10
M
(LIMIT IN)
M103
(LOADING)
3 4
-A
IC102
WAVEFORM
SHAPPER
Q131 - 134
HF MODULE
LD+3.3V
SWITCH
44 44
IC151 (1/2)
ADDT
25
DADTI
DADTI
22
RATE
XBCKI
XBCKI
24
LRCKI LRCKI
23
DIN
DIN0
19
DIN1
AUDIO 20
DOUT DOUT
21
DADT
26
XBCK
28
LRCK
27
FS256
29
X171
90MHz
OSCI
16
CLOCK
OSCO IC152
GENERATOR
17
D-RAM
INTERNAL BUS
MONITOR
CONTROL
XOE
1 2 3 4
43 22 OE
XWE
47 4 WE
XRAS
46 5 RAS
XCAS
44 23 CAS
P.DOWN
58 56 26
X-CIN 17
X1002
32kHz
18
X-COUT
SWITCH
118
ADPWN
IC1001
IC195
MASTER CONTROLLER
EEPROM
60 7 WP
EEP-WP
M+7V
66 6 SCL
SCL
61 5 SDA
SDA(EEP)
Q1001, 1002
REFERENCE
15
11 LD-LOW
S101
30 LIMIT-IN
Q1004
S103
(OUT)
51 OUT-SW SWITCH 12 MUTE
MUTE 8
S104
(PLAY)
49 PLAY-SW
SLICER-SEL
10 13
SLICERSEL
S105
9 1 RESET
(REC) 43 DARST
REC-SW
116 21 LOCK
DALOCK
S102
67 REFLECT
68 PROTECT I2C-CLK
36
IOP I2CCLK
133 OP-LEVEL
I2C-DATA
I2CDAT 37
SPDIF-CUT 123
+3.3V
IC190
+3.3V
LD+3.3 V +5V
3 1
REG
• Signal Path
: PLAY (MD)
: REC (MD)
: CD (DIGITAL)
: CD (ANALOG)
DIN
A
CD
SECTION
(Page 42)
MD RESET , P.DOWN , DA MUTE
B
IC1005
MAIN
A/D SECTION
CONVERTER (Page 43)
13 11 12
Q1003
1 REC-L
VINL
VINR 3 R-CH
PW ON
7
8
C
MAIN
SECTION
16 33 37 29
(Page 43)
18 MD-L
VOUTL
IC1006 22
VOUTR R-CH
D/A
CONVERTER
VDDPLL 32
I2C-DATA,I2C-CLK
D
Q2001,2002
PANEL
+B
SECTION
SWITCH
(Page 45)