Diagrams; Block Diagram - Md Servo Section - Sony MDS-JE530 Service Manual

6-1. BLOCK DIAGRAM – MD SERVO Section –
HR901
OVER WRITE HEAD
I I
1
J J
2
F
B
C B
I J
D A
A
A
4
B
5
E C
6 AMP
DETECTOR D
7
C
D
E E
8
F F
AMP
9
LASER DIODE
AUTOMATIC
APC
ILCC LD/PD
POWER
11
AMP
CONTROL
Q162, 163
PD LD
LASER ON
PD PD
10
SWITCH
Q101
OPTICAL PICK-UP
(KMS-260A/J1N)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC152
PSB 16
M101 6 OUT4F IN4R 3
M
(SPINDLE)
8 OUT4R IN4F 4
M102 27 OUT2F IN2F 29
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
05
SECTION 6

DIAGRAMS

DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
OVER WRITE IC121 (1/2)
HEAD DRIVE
IC181, Q181, 182
SCTX
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
48 47
RFO AGCI RF
RF AGC
RF AMP 46 40 38
& EQ
EQ
B.P.F. AUX
33
WBL
3T TEMP
PEAK
37
PEAK &
BOTM
BOTTOM
36
WBL
ADFM ADIN
ADFG
AT
B.P.F. 29 30 32
AMP
I-V
ABCD
ABCD
35
AMP
FOCUS FE
34
ERROR AMP
TE
TRACKING 26
I-V
SE
ERROR AMP
28
COMMAND
SERIAL/
PARALLEL
V-I CONVERTER,
CONVERTER
DECODER
12 20 16 17 18
SPFD
SPRD
13 67 65 66 75 74 63
RECP
APCREF AUTOMATIC
83
POWER
CONTROL
SFDR ANALOG MUX
92
SRDR
91
A/D CONVERTER
DIGITAL
SERVO
SIGNAL
FROM CPU
PROCESS
FFDR
INTERFACE
88
FRDR
89
AUTO
SEQUENCER
TFDR
86
DIGITAL SERVO
TRDR
85 SIGNAL PROCESSOR
IC121 (2/2)
– 31 –
15
IC121 (1/2)
TX
EFMO
100
FILI
60
PCO
59
PLL
CLTV
62
FILO
61
ASYO
53
ASYI
54
COMPA-
RFI
RATOR
57
SUBCODE
ADIP PROCESSOR
78 DEMODULATOR/
DECODER
CPU
F0CNT SPINDLE
INTERFACE
79
SERVO
94 93 10 12 11 14 9 8
5 23 71 32
18
70 LDON
73 DIG-RST
67 WR-PWR
76 MOD
54 55
64
5 6
IN1 IN2
LOADING
MOTOR DRIVE
IC471
OUT1 OUT2
2 10
M
M103
(LOADING)
XLRF XLAT
80
CKRF SCLK
81
DTRF SWDT
82
HF MODULE
SWITCH
IC103, Q102 – 104
ADDT
25
DATAI
22
WAVE
SHAPER
SAMPLING
XBCKI
RATE IC601
24
CONVERTER (1/2)
LRCKI
23
DIN0
DIGITAL 19
DIN1
AUDIO
20
DOUT
INTERFACE
21
DADT
26
28 27 29
OSCI
16
CLOCK
OSCO
GENERATOR
17
INTERNAL BUS
MONITOR
CONTROL
5 6 7 1 2 3 4
XOE
43
XWE
47
SWDT
XRAS
46
SCLK
XCAS
44
31 33 75 78 72 74 66
SCTX 80
SYSTEM CONTROLLER
IC501 (1/2)
UNREG
+12V
LIMIT-IN 77
REFERENCE
VZ 4 REC-P 59
VOLTAGE SWITCH
Q471, 472
PACK-OUT 53
56 LD-LOW
PB-P 60
REFLECT 69
PROTECT
68
– 32 –
MDS-JE530
ADDT
A
(Page 33)
IC611
IC611
OPTICAL
DIGITAL IN
RECEIVER DIGITAL
OPT 1 OPTICAL IN
IC611
(AEP, UK, North European)
OPTICAL
DIGITAL IN
RECEIVER
OPT 2
IC621
(US, Canadian, Singapore)
(AEP, UK, North European)
J631
DIGITAL IN COAXIAL
IC661
DIGITAL OPTICAL OUT
OPTICAL
TRANSCEIVER
IC661
IC661
DIGITAL OUT
(US, Canadian, Singapore)
DADT, BCK, LRCK
B
(Page 33)
DIVIDER 1024FS
C
(Page 33)
IC123
D-RAM
IC124
16 XOE
3 XWE
4 XRAS
17 XCAS
SWDT, SCLK
D
(Page 33)
• SIGNAL PATH
: PLAY (ANALOG OUT)
: PLAY (DIGITAL OUT)
: REC (ANALOG IN)
: REC (DIGITAL IN)
S101
(LIMIT IN)
S601
(REC POSITION)
S602
(PACK OUT)
S604
(PLAY POSITION)
S102
(REFLECT/PROTECT DETECT)
HIGH REFELECT RATE/
WRITE PROTECT
LOW REFELECT RATE/
UN-PROTECT