Read Sony MDS-DRE1 Service Manual online
MDS-DRE1
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– 22 –
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – SERVO Section –
INTERNAL BUS
FFDR
FRDR
TFDR
TRDR
I
J
F
C
B
D
A
E
I
J
I
J
B
A
C
D
E
F
DETECTOR
A
E
F
F
RV101
RV102
B
C
D
OPTICAL PICK-UP
(KMS-210A/J-N)
LASER DIODE
PD
LD
PD
ILCC
LASER ON
SWITCH
Q101
I-V AMP
IC172
E-F BALANCE
LASER
POWER
OVER WRITE
HEAD DRIVE
IC181, Q181, 182
PD
AAPC
APC
RF
AMP
RF AMP, FOCUS/TRACKING
ERROR AMP
IC101
HR901
OVER WRITE HEAD
MORFO
RFO
RF
AGC & EQ
MORFI
AGCI
RF
AUX
SWITCH
AUX
PEAK &
BOTTOM
PEAK
BOTM
TLB
4
IC102
2
4
IC182
2
I-V
AMP
ADFM
ADIN
ADFG
ABCD
FOCUS
ERROR AMP
ABCD
AMP
FE
TE
SE
TRACKING
ERROR AMP
I-V
AMP
FI
FO
SWDT
SCLK
XLAT
XRST
SERIAL TO PARALLEL
DECODER
FO4
RO4
M102
(SPINDLE)
FO2
RO2
M101
(SLED)
FO3
RO3
FO1
RO1
TRK+
05
TRK–
FCS+
FCS–
WRPWR
MOD
2-AXIS
DEVICE
(FOCUS)
(TRACKING)
RI4
F/R4
SPFD
SPRD
FI2
RI2
FI3
RI3
FI1
RI1
SPINDLE/SLED MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
IC151
SFDR
SRDR
PWM GENERATOR
SERVO
SIGNAL PROCESSOR
APCREF
DIGITAL SERVO SIGNAL
PROCESSOR
IC121 (2/2)
APC PWM
GENERATOR
LDDR
APC
COMP./
FILTER
WRPWR
FE
TE
SE
ABCD
PEAK
BOTM
AUX1
AUX2
ANALOG MUX
A/D CONVERTER
OFTRK/
DFCT/FOK/
COUT/SHCK/
FS256
PROCESSOR
OFTRK
DFCT
FOK
COUT
SHCK
FS256
SERVO
AUTO
SEQUENCER
SENS
CONTROL
HF
MODULE
HF MODULE SWITCH
Q164
SENS
FILTER
FILTER
34MHz
PLL
CLTV
EFMO
FILI
FILO
PCO
EFM
MODULATOR
REGISTER
REGISTER
SUBCODE
P TO W
PROCESSOR
SUBCODE Q
READER/
GENERATOR
COMPARATOR
RFI
EFM
DEMODULATOR
PEAK
DETECT
EFM
DIGITAL
PLL
ASYI
ASYO
XPLCK
GTOP
EFM-SYNC
DETECTOR/
PROTECTOR
WFCK
GFS
TIMING GENERATOR
DIGITAL
CLV
PROCESSOR
ADIP
DEMODU-
LATOR
ADIP
DECODER
FMCK
ADFG
ADSY
ATER
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER
IC121 (1/2)
SPRD
SPFD
DIGITAL
AUDIO
IN/OUT
DIN PLL
(22MHz)
AUDIO
DATA
CONTROL
SQSY
DQSY
ECC
ENCODER/
DECODER
TIMING
GENERATOR
CLOCK
GENERATOR
DIN
DOUT
DIFI
DIFO
DICV
DIPD
DODT
DIDT
DTI
DTO
C2PO
LRCK
BCK
MCLK
XBCK
WDCK
RFCK
FS4
XTAI
XTAO
CPU INTERFACE
SWDT
SCLK
XLAT
SRDT
REC
REC/PB
SCL
SDA
SCL
SDA
B.P.F.
AT
AMP
32K
RAM
2
30
37
35
26
29
31
33
27
3
47
48
46
44
41
58
30
31
33
32
36
37
39
39
40
8 9 10 11
16 24
65
75
74
6
5
SQSY
5
WPOWER
71
68 69 70 76 66
LD-ON
FG
FOK
SHOCK
SENSE
MOD
79
35
34
29
52
49
51
53
27
28
21
20
60
62
45
61
63
56
55
41
44
42
43
22
82
23 13
93 94
14 15
34
39
38
45
43
6
7
8
9
10
14
11
67
6
76
77
66
64 65 68 78
98
3
2
99
4
1
12
84
92
91
17
18
33
19
20
22
24
86
85
87
89
31
32
6
5
CLK
18
19
20
17
4
5
AUTOMATIC
POWER CONTROL
Q162, 163
4
2
IC122
Q151
SPINDLE
MOTOR DRIVE
15
13
SLED
MOTOR DRIVE
29
26
TRACKING
COIL DRIVE
8
11
FOCUS
COIL DRIVE
M
M
OE
A
(Page 23)
SCTX
C
(Page 23)
DATA
D
(Page 23)
BCK, LRCK, C2PO
E
(Page 24)
512FS
•
SIGNAL PATH
: PLAY
: REC
XRST
B
(Page 23)
DODT
F
(Page 23)
SWDT, SCLK, XLAT, SRDT
H
(Page 23)
SCL
G
(Page 24)
XRST
M
9
10
4
2
MOTOR
DRIVE
LOADING MOTOR DRIVE
IC901
EEPROM
IC171
SYSTEM CONTROLLER
IC101 (1/4)
OUT1
OUT2
IN1
IN2
M191
(LOADING)
REFLECT
OUT SW
PROTECT
57
S102
(REFLECT/PROTECT DETECT)
S102
80
58
LIMIT-IN
PLAY SW
S101
(LIMIT)
59
REC SW
S191
(PLAY POSITION)
S191
S193
(REC POSITION)
S193
S192
(PACK OUT)
S192
77 78
LOAD IN
LOAD OUT
61 60
HIGH REFELECT RATE/
WRITE PROTECT
LOW REFELECT RATE/
UN-PROTECT
3
90
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