Sony MDS-W1 Service Manual ▷ View online
– 49 –
NOTE:It is useful to use the jig. for checking the waveform. (Refer
to Servicing Note on page 6.)
5-15. ADJUSTING POINTS AND CONNECTING POINTS
[BD BOARD] (SIDE A)
[BD BOARD] (SIDE B)
CN110
NOTE
D101
I+3V
IOP
IOP
TEO
VC
RF
GND
IC171
IC121
IC101
IC192
CN101
– 50 –
SECTION 6
DIAGRAMS
6-1. CIRCUIT BOARDS LOCATION
BD board
(DECK A)
(DECK A)
SW board
(DECK A)
(DECK A)
POWER board
MAIN board
JACK board
AC board
TRANS board
HP board
KEY-A board
KEY-B board
SEQ board
SW board
(DECK B)
(DECK B)
BD board
(DECK B)
(DECK B)
– 51 –
– 52 –
MDS-W1
6-2. BLOCK DIAGRAMS
– BD SECTION –
HR901
OVER WRITE
HEAD
HEAD
DRIVE
Q181,182
3
6
1
2
FILTER
PCO
FILI
FILO
CLTV
PLL
EFM,
ACIRC,
ENCODER/
DECODER
RF AGC & EQ
AGCI
RFO
MORFI
MORFO
RF AMP
1
2
BPF
P-P
AT
AMP
BPF
ADAGC
VC
ANALOG
MUX
27
16
17
18
SERIAL
PARALLEL
DECODER
VICONV
20
25
22 23
4
5
6
7
8
9
IV AMP
IV AMP
E-F
BALANCE
14
15
3
VCC
VC
D101
12
11
10
LASER ON
SW
Q101
PD
APC
Q162,163
HF
MODULE
HF MODULE
SW
IC103,Q102-104
TRACKING
COIL
FOCUS
COIL
10
12
DRIVER
21
DRIVER
23
27
DRIVER
25
6
8
DRIVER
16
TFDR
PSB
XRST
SLED/SPINDLE MOTOR DRIVE
FOCUS/TRACKING COIL DRIVE
FOCUS/TRACKING COIL DRIVE
IC152
09
M
M
M102
SLED MOTOR
M101
SPINDLE MOTOR
DETECTOR
F
I
J
C
D
B
A
E
VC
LD
PD
ILCC
15
14
22
ATRAC
ENCODER/
DECODER
SAMPLING
RATE
CONVERTER
DTRF
CKRF
XLRF
FOCNT
79
82
81
80
93
94
95
10
SPRD
SPFD
FG IN
XRST
SPINDLE
SERVO
ADIP
DECODER
78
ADFG
A/D
CONVERTER
SERVO
DSP
PWM
GENERATOR
DIGITAL
AUDIO
I/F
21
26
25
20
SUBCODE
PROCESSOR
11
12
MONITOR
CONTROL
CONTROL
4
3
2
1
3
CPU
I/F
AUTO
SEQUENCER
16
23
24
27
28
7
5
6
8
9
7
3
MCLK
BCKI
LRCKI
M
M103
LOADING MOTOR
BCK
LRCK
BUFFER IC123
DRAM
IC124
SQSY
DQSY
MNT3
MNT2
MNT1
MNT1
MNT0
SENS
SRDT
SCLK
SWDT
XLAT
DIN1
19
DIN0
ADDT
DADT
DOUT
91
92
85
86
89
88
83
13
RECP
APCREF
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
FOCNT
XLAT
SCLK
SWDT
CSLED
SE
TE
26
28
32
30
ADFG
ADIN
ADFM
29
31
34
66
68
75
74
FE
VC
TE
SE
33
67
36
37
35
64
63
65
AUX
BOTM
PEAK
ABCD
FE
AUX1
BOTM
PEAK
ABCD
38
RF
57
RFI
59
60
61
61
62
ABCD
AMP
FOCUS
ERROR
AMP
I
J
A
B
C
D
D
E
F
F
VC
CVB
TEMP
AMP
TEMPR
TEMPI
APC
APCREF
EQADJ
3TADJ
WBLADJ
TRACKING
ERROR
AMP
OPTICAL PICK-UP BLOCK
(KMS-260A/J1N)
48 47 46 40
RF AMP
IC101
EFMO
TX
XINIT
DADTI
CLOCK
GENERATOR
14
15
18
19
29
30
3
4
SPFD
SPRD
SPRD
SFDR
SRDR
TRDR
FRDR
FFDR
OVER WRITE HEAD DRIVE
IC181
OSCI
XBCKI
LRCKI
LRCKI
XBCK
LRCK
VC
VC
PEAK
&
BOTTOM
TRK–
TRK+
FSC+
FSC–
SLED+
SLED–
SPDL+
SPDL–
DIGITAL SERVO SIGNAL PROCESSOR, DIGITAL SIGNAL PROCESSOR
EFM/ACIRC ENCODER/DECODER, SHOCK-PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
IC121
DIN1
(From Deck B)
(From Deck B)
DIN0
DADTI
(From Deck B)
(From Deck B)
ADDT
DADT
DOUT
SQSY
DQSY
MNT3
MNT2
MNT1
MNT0
MNT1
MNT0
SENS
SRDT
SRDT
SCLK
SWDT
XLATCH
SWDT
XLATCH
SCTX
XINT
LDON
WRPWR
MOD
6
5
SDA
SDA
SCL
SCL
LIMIT-IN
REFLECT
REFLECT
PROTECT
CHUCK IN
PACK OUT
CHUCK IN
PACK OUT
PB P
REC P
EEP ROM
IC171
LOAD-IN
LOAD-OUT
DIG-RST
INPUT/OUTPUT
SECTION
(Page 53)
DETECT SW
S101, S102,
S601-604
100
• Deck B is omitted.
• Signal path
: PB (DECK A)
: REC (DECK A)
: PB (DECK B)
: PB (Digital out)
: REC (Digital in)
• Signal path
: PB (DECK A)
: REC (DECK A)
: PB (DECK B)
: PB (Digital out)
: REC (Digital in)
49 • 48 • 50 • 51
34 31 • 36 40 • 45
D0
D3
A00
A09
47
46
3
4
17
16
1
2
18
19
6
9
11
15
5
XWE
XRAS
XCAS
XCAS
XOE
DQ1
DQ4
•
•
•
•
A0
A9
44
43
20
XWE
XRAS
XCAS
XOE
•
SHOCK
RESISTANT
MEMORY
CONTROLLER
8
•
11
10
•
13
9
•
12
4
5
A
CONTROL
SECTION
(Page 55)
B
– 53 –
– 54 –
MDS-W1
– INPUT/OUTPUT SECTION –
R-ch
12
4
2
3
1
13
BD
SECTION
A
(Page 52)
POWER
SECTION
D
(Page 58)
CONTROL
SECTION
C
(Page 55)
6
5
IC321
4
3
IC321
10
11
IC321
8
9
IC321
512FS
512FS
1
2
2
D
CK
Q
1
5
21
18
2
7
4
1
13
12
1
11
12
13
2
2
IC891
IC321
IC321
SDATA
SW
IC491
IC471
17
19
16
10
7
11
9
3
5
6
5
1
X301
45.158MHz
45.158MHz
256FS
512FS
SEL
256FS
1024FS
3
4
• R-ch is omitted.
• Signal path.
: PB
: REC
: PB(Digital out)
: REC(Digital in)
• Signal path.
: PB
: REC
: PB(Digital out)
: REC(Digital in)
• Deck B is omitted.
1/2
1/2
9
11
10
1
8
5
6
5
7
Q461
SDATA
SCLK
MCLK
LRCK
PB
AINR-
AINL-
7
2
12
17
18
13
10
6
5
5
7
2
2
3
1
Q393
Q343
Q433
Q431
A-6V
A+6V
A-DECK
FILTER
IC381
1
1
5
7
2
4
SELECTOR SW
Q421,423-425
SELECTOR SW
Q321-324
SELECTOR SW
Q301-304
1
8
5
7
L
L
R
R
RV551
PHONE LEVEL
J551
PHONES
HEADPHONE
AMP
IC551
IN
J301
LINE
(ANALOG)
OUT
R-ch
R-ch
R-ch
R-ch
L-ch
14
4A
4B
SEL
4Y
13
12
1
12
4
1
1
10
11
9
2C2
2Y
2C1
2C0
SEL0
SEL1
2
14
BUFFER
IC501
10
13
3
BUFFER
IC501
6
9
BUFFER
IC501
SDATA
AOUTR
AOUTL
DEM0
DEM1
SMUTE
DA-RST
XT1
D/A CONVERTER
IC331
DUB-SEL/Lch
IC321
DECK B
(AD-RESET)
512/256FS SEL
IC311
FS DIVIDER
IC306
CLK SW
IC316
A/D CONVERTER
IC461
L-SEL
IC411
IC411
INVERTER
AMP
IC441
OSC
IC301
DECK B
(MCLK)
(MCLK)
DIGITAL OUTPUT
SELECTOR
IC521
B-DECK
DOUT
DECK B
SELECTOR
IC511
DIGITAL
INPUT
SELECTOR
IC516
OPTICAL
OUT
DIGITAL
OPTICAL
IN2
OPTICAL
IN1
COAXIAL
IN
IC491
IC485
IC481
3
SYS +3.3V
MONITOR
SELECTOR L-ch
IC301
B-DECK
L-ch
B-DECK L-ch
MUTE
Q395
DOUT
DINO
BCK
(DECK A)
(DECK A)
BCKI
(DECK B)
(DECK B)
LRCK
(DECK A)
(DECK A)
LRCKI
(DECK B)
(DECK B)
BCK
(DECK B)
(DECK B)
BCKI
(DECK A)
(DECK A)
LRCK
(DECK B)
(DECK B)
LRCKI
(DECK A)
(DECK A)
MCLK
ADDT
DADT
ADDT-MUTE
W.SPEED.SEL
ADCLK-SEL
ADRESET
OUTPUT-SEL
DI-SEL1
DI-SEL0
ANA/DUB-SEL
DUB/SOURCE-SEL
DEM0
DEM1
SMUTE
DA-RESET
A MUTE
R-ch
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