Sony MDS-B5 Service Manual ▷ View online
MDS-B5
— 46 —
— 45 —
5-2. BLOCK DIAGRAMS
—BD SECTION—
—BD SECTION—
OPTICAL PICK-UP BLOCK
(KMS-210A/J-N)
IV-AMP
IV-AMP
J
F
E
6
2
3
6
5
VC
7
1
IC172
BUFFER
48
47
J
I
RF AMP
46 45 44 43
RF AGC
& EQ
BPF
2
3
4
5
6
7
IV AMP
IV AMP
6
8
VC
RV101
E-F
BALANCE
9
1
+2.5V
GENERATOR
VC
16
12
D101
TEMP
AMP
TEMPR
+5V
TEMPI
10
11
Q101
APC
APCREF
LASER ON
SWITCH
LASER
POWER
RV102
PD
14 15
42
TRACKING
ERROR
AMP
AUX
SW
PEAK &
BOTTOM
ABCD
AMP
FOCUS
ERROR
AMP
AT
AMP
30
26
29
27
41
34
38
39
37
35
31
33
SERIAL
PARALLEL
DECODER
DECODER
17 18 19 20
4
RF AMP
IC101
+5V
HR901
OVER
WRITE
HEAD
4
2
IC122
Q162,163
APC
HIGH
POWER
LD
Q164
HF
MODULE
SWITCH
SLED MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
IC151
HEAD
DRIVE
Q181,182
11
14
15
15
17
18
OVER WRITE
HEAD DRIVE
IC181
1
19
2
5
IC102
4
2
DRIVER
DRIVER
DRIVER
L.F
MOD
H.F
MOD
TRK +
TRK -
TRACKING
COIL
FOCUS
COIL
2
2
M
M101
SLED
MOTOR
2
16
DRIVER
18
17
29
TFDR
TRDR
FRDR
FFDR
SFDR
SRDR
SPFD
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER
IC121
SUBCODE
PROCESSOR,
READER/
GENERATOR
14
EFM
MOD/DEMOD
45
58
DIN
PLL
PLL
REGISTER
FILTER
PLL
4
EFM
TIMING
GENERATOR
DIGITAL
CLV
PROCESSOR
TIMING
GENERATOR
&
CLOCK
GENERATOR
AUDIO
DATA
CONTROL
ECC
ENCODER/
DECODER
DECODER
32K RAM
30
29
27
28
DIGITAL
AUDIO
IN/OUT
20
21
15
31
94
93
82
ADIP
DEMOD
ADIP
DECODER
ANALOG
MUX
68
65
64
66
67
77
76
69
VC
5
A/D
CONV
8
9
10
16
CPU
IF
24
11
4
SERVO
CONTROL
DIRC
7
SERVO
AUTO
SEQUENCER
PROCESSOR
APC
PWM
GEN
5
SERVO DSP/PWM GENERATOR
FOCUS/TRACKING/
SLED SERVO & PWM
6
4
3
2
98
99
DFCT
FOK
SHCK
OFTRK
COUT
6
84
LD
32
33
90
35
BCK
LRCK
FS4
XTAI
SENS
CONTROL
12
85 86 87 89 91 92
6
51 52 49 53
DICV
DIFI
DIPD
DIFO
SQSY
DQSY
DIN
DOUT
DIDT
DODT
DTO
DTI
C2PO
TRDR
TFDR
FFDR
FRDR
SRDR
SFDR
SENS
SWDT
SCLK
XLAT
XRST
REC
SRDT
SRDT
AUX
BOTM
PEAK
ABCD
FE
TE
SE
SE
VC
SPFD
SPRD
60
62
61
63
CLTV
FILI
PCO
PCO
FILO
EFMO
RFI
RF
AUX
BOTM
PEAK
ABCD
FE
ADFM
ADIN
TE
SE
TLB
ADFG
XRST
SWDT
SCLK
XLAT
PD
VC
A
B
C
D
D
E
F
FI
FO
FCS +
FCS -
SLED -
4
2
IC182
7
LDDR
AAPC
I
WRPWR
LIMIT
PROTECT
REFLECT
5
-1
-2
S102-1
PROTECT
S102-2
REFLECT
S101
LIMIT IN
EEP ROM
IC171
6
5
SDA
SCL
SCL
SDA
SCL
WRPWR
SHCK
FOK
SQSY
SCTX
SWDT
SCLK
XLAT
SRDT
SENS
LRCK
BCK
C2PO
DATA
XRST
LDON
MOD
MOD
REC
09
DAPC
30
14
15
4
23
21
10
12
27
25
25
23
22
P-P
TFIL
THID
TENV
VC
DRIVER
10
13
15
4 3
9 16
1
21
22
20
COM
W
V
U
M102
SPINDLE MOTOR
SPINDLE MOTOR
DRIVER
IC201
FG
SPRD
VS
+5V
+
-
FG
DOUT
M
LOUT
LIN
LIN
INSW
OUTSW
CHKIN
M191
LOADING MOTOR
S192
LOAD IN DET
S191
LOAD OUT DET
S193
CHUCKING IN
DET
DIGITAL
SECTION
(Page 47)
A
SLED +
SPDL -
6
PSB
3
9
C B
D A
• Signal path
:PB
:REC
:PB (DIGITAL IN)
:REC (DIGITAL OUT)
:PB
:REC
:PB (DIGITAL IN)
:REC (DIGITAL OUT)
DODT
34
XTAO
32
33
90
35
BCK
X120
22.5792MHz
DIGITAL
SECTION
(Page 47)
A
DUPLICATION
SECTION
(Page 49)
B
REMOTE
SECTION
(Page 52)
C
— 48 —
— 47 —
MDS-B5
2 3 22 23
4 5 21 20
6 - 11 14 - 19
DQ1 - DQ4
XWE
XRAS
XCAS
XOE
D-RAM
IC402
A0 - A11
68 - 71
67 66 62 61
48 49 52 - 60 65
XWE
XRAS
XCAS
XOE
RAM
INTERFACE
ATRAC
ENCODER
DECODER
EFM
ENCODER
DECODER
DATA
LRCK
BCK
C2PO
93
90
91
92
AUDIO
INTERFACE
CPU
CONTROLLER
2 3 4 5
9
17
12
TX
SWDT
SCK
XLAT
SRDT
XINT
XRST
DO-D3
A00-A11
95 94
DOUT
DIDT
CLOCK
GENERATOR
ATRAC
ENCODER/DECODER
SHOCK PROOF
MEMORY CONTROLLER
IC401
6
SENSE
SCTX
SCLK
XLAT1
SRDT1
XINT1
OSCI
37
41
43
44
DOUT
ABCK
ALRCK
11
10
12
3
5
CK
Q
22
VCO
IC405
DIVIDER
IC404
3
5
CK
Q
DIVIDER
IC506
RESET
Q403
RESET
Q404
RESET
Q401
5
4
3
1
SWDT
SCLK
DALAT
9
8
11
1
14
10
2
20
RESET
Q402
4 5
6
3
29
FL DRIVER
IC311
1
2
7
5
6
3
28
27
26
24
22
21
20
10
5
1
2
11
23
23
7
SRDT
SYSTEM
CONTROL
IC301 (1/2)
SWDT
SCLK
SCTX
SENS
SCL
SCL
SQSY
SDA
WRPWR
SHCK
FOK
FG
REC
PDOWN
DQSY
XINT2
XINT1
ERRER
XLAT2
XLAT1
DALAT
32
31
33
94
95
97
100
30
36
35
37
CE
RXD
FLCS
TXD
CLK
KEY0
KEY2
89 - 91
13
15
X301
8.6MHz
KEY MATRIX
92 93
27
25
16
18
CH2
MIX AMP
IC504
5
6
7
+
-
5
7
LPF
IC505
MUTE
Q807
MUTE
SWITCH
Q809-811
5
7
6
12
1
3
5
3
2
6
XRES
VCC
RESET
IC310
B+
J703
REMOTE
15
16
14
FL DRIVER
IC601
12 - 1 64 - 62
61
GRID
DRIVER
Q604
59 - 33 31 - 32
13
FL601
18
17
LED
DRIVER
Q602
LED
DRIVER
Q601
S611
S612
VARI SPEED PLL
IC406
D/A
CONVERTER
IC503
10
20
14
15
16
A/D
CONVERTER
IC501
42
ADIN
10
13
SAMPLING RATE
CONVERTER
IC409
1
3
2
7
10
24
18
17
16
15
14
20
21
22
11
23
2
1
10
9
4
27
28
CH2
1
12
13
1
2
5
5
8
SWITCH
IC411
NORMALIZER
IC873
6
1
13
12
1
9
15
14
SWITCH
IC872
2
3
1
2
7
6
12
DE
IN
J871
AES/EBU
IN
OUT
IEC958
J873
DIG IN/OUT
IC871
ABCK
ALRCK
ADIN
DOUT
F
DUPLICATION
SECTION
1
2
3
1
2
3
AMP
IC801
1
2
3
RV801
RECORD
CH-1 (L)
CH-1 (L)
CH2
MODE
S801
STEREO
MONO
3
1
3
1
6
7
RY803
CH2
HP AMP
IC803
HP VOLUME
RV805
J805
PHONES
RELAY DRIVER
Q805, 806
1
2
3
J807
ANALOG
OUT
J801
ANALOG
IN
AES
PF6
ABCK
ALRCK
DODT
G
REMOTE
SECTION
DOUT
DATA
LRCK
BCK
C2PO
A
BD
SECTION
DATA
LRCK
C2PO
BCK
SRDT1
SRDT
XLAT1
SWDT
SCLK
XLAT2
XINT2
SCTX
DIGXRES
E
DUPLICATION
SECTION
DIGXRES
MCK
XAMUTE
IORES
H
REMOTE
SECTION
XRST
SWDT
SCLK
SCTX
SENS
SCL
SDA
SQSY
WRPWR
SHCK
FOK
FG
REC
A
BD
SECTION
P.DOWN
D
09
XOUT
XIN
SIRCS
XREST
BO5
PD2
BO4
AMIN
CE
DO
DI
CL
XIN
BO3
BO2
BO1
INIT
LATCH
SHIFT
ATT
512FS
LRCK
XBCK
DADT
L1+
L2+
L2+
R1+
R2+
DOUT
SCLK
LRCK
MCLK
DIGPD
INLM
INLP
INRN
INRP
AOUTL+
AOUTL-
INL-
FRONT - END
IC502
CH2
DATAO
AVOCK
BCK
LRCK
LRCK
FS128
SCLK
XLAT
SWDT
SRDT
DQSY
SRDT
DQSY
EROR
XMODE
DIN1
INTERFACE RECEIVER
IC410
40
DATAO
BCKO
LRCKO
XI
SWDT
SCK
XLAT
INIT
DATAI
BCKI
LRCKI
FI128
30
31
32
42
41
XLAT1
SRDT1
ERROR
SCLK
XLAT1
SDATA
SCK
CS
D16
D1 - D15
S1 - S36
RST
P1
P0
S301
RESET
SW
87
SPO
-
+
-
+
5
RV803
PLAY BACK
CH-1 (L)
INPEDANCE
CONVERSION
IC804
+
-
JOG0
JOG1
AMP
IC802
(Page 53)
(Page 46)
POWER
SECTION
(Page 52)
(Page 49)
(Page 46)
(Page 51)
(Page 49)
• CH2: Same as CH1
• Signal path
:PB
:REC
:PB (DIGITAL IN)
:REC (DIGITAL OUT)
• Signal path
:PB
:REC
:PB (DIGITAL IN)
:REC (DIGITAL OUT)
—DIGITAL SECTION—
MDS-B5
— 49 —
— 50 —
—DUPLICATION SECTION—
DATA
LRCK
BCK
C2PO
40
41
44
XABS36
XARQ36
1
SWDT
SCLK
XLAT2
XINT2
2
8
3
7
10
SRDT2
XLAT1
XLAT2
SRDT1
SRDT
SERIAL BUS SELECTOR
4
9
XLAT35
SRDT35
11
38
37
36
DIGXRES
XRES
RERES
RERES
RQEN
35
34
29
33
32
30
31
AUDIO
DATA
CONTROLLER
DOUTMT
AXBCK
ALRCK
DOUT
DADT
AESDT
DODT
43
DTO36
DUPLICATION
CONTROLLER
CONTROLLER
13
15
14
12
19
21
20
22
15
9
14
13
10
11
6
7
5
4
12
SWITCH
Q952
RX
DTR
XRE
DE
DRIVER/RECEIVER
IC954
12
13
5
3
14
15
6
7
RECEIVER
IC953
1
2
XG
17
18
15
14
4
3
21
20
10
9
7
6
J952
DIRECT
DUPLICATION
LINK (IN)
9
5
4
12
SWITCH
Q951
TX
DSR
XRE
DE
DRIVER/RECEIVER
IC952
12
14
6
RECEIVER
IC951
2
XG
17
18
15
14
4
3
21
20
10
9
7
6
J951
DIRECT
DUPLICATION
LINK (OUT)
1
7
15
3
13
5
+
-
+
-
10
11
3
2
1
6
7
SCTX
XINT2
SCLK
SWDT
XLAT2
XLAT1
DIGXRES
SRDT1
SRDT
XLAT
SRDT
DODT
XRES
RERES
RQEN
DOUTMT
AESDT
ABCK
ALRCK
DOUT
ADIN
TX
DSR
DTR
DTR
RX
XDUPEN
J
09
F
I
B
E
DIGITAL
SECTION
BD
SECTION
REMOTE
SECTION
DIGITAL
SECTION
REMOTE
SECTION
1 2 18 19
4 5 21 20
5 - 9 11 - 15
DQ1 - DQ4
XWE
XRAS
XCAS
XOE
D-RAM
IC408
A0 - A9
68 - 71
67 66 62 61
52 - 60 65
XWE
XRAS
XCAS
XOE
RAM
INTERFACE
ATRAC
ENCODER
DECODER
EFM
ENCODER
DECODER
DATA
LRCK
BCK
C2PO
93
90
91
92
AUDIO
INTERFACE
28
ADTO
27
31
30
ACK
XLAT
XRQ
29
ADTI
26
AIRCPB
CPU
CONTROLLER
2 3 4 5
9
17
12
TX
SWDT
SCK
XLAT
SRDT
XINT
XRST
ATRAC
ENCODER/DECODER
SHOCK PROOF
MEMORY CONTROLLER
IC407
SCTX
DO-D3
A00-A09
ACK36
DTI36
42
+
-
INARQ
INXABS
INACK
INDATA
OUTARQ
OUTXABS
OUTACK
OUTDATA
HIGH SPEED DUBBING DIGITAL OUT
IC901
(Page 47)
(Page 46)
(Page 52)
(Page 48)
(Page 52)
• Signal path
:PB
:REC
:PB
:REC
— 51 —
— 52 —
—REMOTE SECTION—
SYSTEM CONTROL
IC301 (2/2)
19
38
KDATA
KBCK
7
1
2
3
5
6
BUFFER
IC314
18
34
88
73
DSR
232XINT
D0
D15
71
65
63
61
63
61
54
A0
A16
50
49
48
47
46
45
44
43
XCSO
XCS1
XCS2
XCS3
XWRL
XWRH
XRD
BCLK
S-RAM
IC303, 312
11
13
15
15
19
2
10
21
23
21
23
25
D0
D7
A0
A12
20
22
27
XCS
XOE
XWE, XRE
XCS2
XRD
XWRL
MEMORY
IC302
2
7
9
9
11
13
13
15
17
17
20
A0
A15
46
42
40
40
38
36
36
34
32
32
28
22
27
47
XWE
XCE
XOE
XOE
XWRL
XCS1
XRD
XRD
D0
D15
09
D0 - D15
A1 - A16
11
1
8
17
9
10
14
16
23
20
19
22
21
RS232C
RECEIVER/TRANSMITER
IC313
15
XINT
D0
D7
C/XD
C/XD
XRD
XWR
XIN
XCS
TX
XRTS
DTR
RX
XCTS
XRST
LEVEL CONTROLLER
IC701
17
19
15
18
16
20
12
10
14
11
13
9
6
15
14
13
2
1
+
-
DRIVER/RECEIVER
IC702
3
12
4
SWITCH
Q701
3
7
4
2
8
6
J702
RS-232C
1
5
KEY
BOARD
J806
4
5
6
7
15
14
9
11
D0
D3
A0
A1
XCS
XRD
XWR
XWR
XRES
3
2
1
ALRCK
ABCK
DODT
LEVEL METER
IC305
AES
PF6
G
DIGITAL
SECTION
1
2
I/O EXPANDER
IC304
50
53
8
6
30
31
32
XRD
XWRL
XCS3
35
37
A0
A2
38
45
D0
D7
46
47
48
PC7
PC6
PC5
PE2
PE4
63
62
61 PF2
PF3
PF4
59
60
PF0
PF1
PF1
PC0
PC3
PF6
PF7
24
25
22
23
28
27
26
11
4
5
LOADING MOTOR DRIVE
IC309
1
7
4
5
20
19
18
17
16
15
15
14
13
21
33
33
64
LED DRIVE
Q603
REC
S610
BUFFER
IC307
1
8
11
18
BUFFER
IC308
1
8
11
18
2
1
1
64
59
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
J701
REMOTE (25P)
16
14
13
12
4
3
1
9
10
11
6
7
8
DATA
BCK
LRCK
PA4
PA3
PA6
PA5
PA0
PA1
PA2
PA7
PE0
PE1
PE1
PB7
PB6
PB5
PB4
PG3
PB2
PB1
PB1
PB0
PA7
PES
PF5
XRD
XWR
XCS
XCS
XAMUTE
IORES
DIGXRES
5
1
5
MCK
1/2 DIVIDER
IC413
CK
Q
MCK
XRES
EM0
EM1
C9
C6
C1
C7
17
20
DATA
FSY
SCK
SCK
U
C
V
TXP
TXN
AES/EBU TRANSMITTER
IC412
J872
AES/EBU
OUT
1
2
3
H
DIGITAL
SECTION
XDUPEN
DTR
DSR
RX
RX
TX
J
DUPLICATION
SECTION
LIMIT
REFLECT
PROTECT
OUTSW
INSW
CHKIN
RES
PC7
PC6
PC5
PC4
PC0
PC1
PC1
33
46
47
48
49
50
51
35
37
38
45
A0
A2
D0
D7
I/O EXPANDER
IC306
28
21
PA0
PA7
20
13
PB0
PB7
11
4
PE0
PE7
PF0
PF7
57
53
PG3
PG0
30
31
32
XRD
XWR
XCS
XRD
XWRL
XCS3
A1 - A3
D8 - D15
C
BD
SECTION
A1 - A3
D0 - D7
XDUPEN
X422EN
X232EN
DE
XRE
STB
LOUT
LIN
LDON
MOD
RQEN
RERES
XRES
DOUTMT
AESDT
AESDT
I
DUPLICATION
SECTION
C
BD
SECTION
D0-D7
D8-D15
A1-A13
XWRH
XWRL
XCS0
XRD
BCLK
A1
D0-D7
PC3
13
(Page 47)
(Page 46)
(Page 49)
(Page 47)
(Page 49)
(Page 46)
• Signal path
:PB (DIGITAL IN)
:PB (DIGITAL IN)
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