Sony MDS-W1 Service Manual ▷ View online
– 55 –
– 56 –
MDS-W1
– CONTROL SECTION –
65
13
12
19
12
19
26
27
28
29
30
15
21
10
22
23
24
91
92
93
94
95
97
44
20
47
48
65
52
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
79
80
42
43
10
7
55
56
57
84
85
87
88
89
90
91
92
BD
SECTION
B
(Page 52)
INPUT/OUTPUT
SECTION
C
(Page 53)
POWER
SECTION
E
(Page 58)
60
59
52
53
20
5
18
32
33
31
SENS
X701
7MHz
7MHz
IC701
SYSTEM
CONTROL
(DECK A)
SHCK (MNT1)
DIG-RST
XBUSY(MNT2)
LDON
REFLECT
XLATCH
PROTECT
MOD
LIMIT-IN
WPOWER
WPOWER
SLOCK(MNT3)
FOK(MNT0)
SDA
SCL
SCTX
PB.P
PB.P
REC.P
DISC.IN-SW
OUT-SW
XINT
SQSY
DQSY
SRDT
SCLK
SWDT
[MEC-CS]
XOUT
XIN
SYSTEM-RESET
POWER-DOWN
[MEC-CTS]
[MEC-CLK]
[MEC-RDT]
[MEC-WDT]
VC
VREF
IN1
IN2
DEM1
DEM0
LD-OUT
LD-LOW
LD-IN
DI-SEL1
DI-SET
ADDT-MUTE
W.SPEED-SEL
SMUTE
AD.CLK-SEL
DA-RESET
AD-RESET
AD-RESET
49 OUTPUT-SEL
48 ANA/DUB-SEL
46 DUB/SOURCE-SEL
SENS
MNT1
MNT1
DIG-RST
MNT2
LDON
REFLECT
XLATCH
PROTECT
MOD
LIMIT-IN
WRPWR
WRPWR
MNT3
MNT0
SDA
SCL
SCTX
PB P
PB P
REC P
CHUCK IN
CHUCK IN
PACK OUT
XINT
SQSY
DQSY
SRDT
SCLK
SWDT
DEM1
DEM0
47 AMUTE
AMUTE
LOAD OUT
LOAD IN
OUT1
Q751
OUT2
DI-SEL1
DI-SEL0
ADDT-MUTE
W.SPEED-SEL
SMUTE
AD.CLK-SEL
DA-RESET
AD-RESET
OUTPUT-SEL
OUTPUT-SEL
ANA/DUB-SEL
DUB/SOURCE-SEL
11
13
15
9
2
4
6
4
3
12
9
13
KEY-5
JOGA-0
JOGA-1
JOGB-0
JOGB-1
KEY-4
KEY-3
KEY-2
KEY-2
KEY-1
KEY-0
RD
INT
CS
CS
RELAY
DISPLAY
BUFFER
DISPLAY D6
DISPLAY D7
DISPLAY D5
DISPLAY D4
DISPLAY D3
DISPLAY D2
DISPLAY D1
DISPLAY D0
DISP-CMD
8
8
9
4
2
1
1
IC851
66
6
5
IC851
67
6
5
IC861
68
4
3
IC861
69
78
79
80
77
2
1
IC861
70
2
1
IC851
71
12
13
IC851
72
10
11
IC851
51
10
11
IC861
IC861
IC844
IC851
IC831
IC801
MASTER CONTROL
FLUORESCENT
INDICATOR
TUBE
(MODULE)
DECK B
(IC901)
(IC901)
XIN-T
XOUT-T
XOUT
XIN
SYSTEM-RESET
POWER-DOWN
X801
32KHz
X802
7MHz
LED3(MD SYNC)
LED2(SEQUENCE)
LED0(MONITOR)
LED1(POWER)
• R -ch is omitted.
• DECK B is omitted
• DECK B is omitted
.
THIS UNIT IS
SUPPLIED AS
THE ASSEMBLED
BLOCK
SUPPLIED AS
THE ASSEMBLED
BLOCK
MATRIX
SWITCH
SWITCH
S621-625
S631-636
S644
S631-636
S644
LED SW
Q601-604
D601-603
AMS
PUSH ENTER
JOG655
REMOTE
SENSOR
SENSOR
IC611
3
MDS-W1
– 58 –
– POWER SECTION –
1
3
AC IN
+5VREG
5
+3.3VREG
4
+5VREG
6
2
12
BACKUP
S.RST
SW
Q104
+7VREG
IC191
+6VREG
IC161
3
1
+5VREG
IC151
2
4
1
+6VREG
IC141
2
4
1
3
1
-6VREG
IC171
3
2
+5VREG
IC131
RECT
D111,112
RECT
D101,104
RECT
D105,106
RECT
D181-D184
RECT
D161,162
171,172
POWER
TRANSFORMER
TR201
RESET
CONTROL
D109
+80V REG
D185-D188
Q181
2
1
SWITCHING REG
IC101
A MUTE
CONTROL
Q103,D110,113,114
A MUTE
A+6V
A-6V
SYS+3.3V
DIG+3.3V
DA/D+5V
BACKUP+3.3V
S.RST
SYS+5V
STB
LD+7V
B+5V
A+5V
P.DOWN
ANODE/GRID(80V)
INPUT/OUTPUT
SECTION
D
(Page 53)
CONTROL
SECTION
E
(Page 55)
A MUTE
– 59 –
– 60 –
MDS-W1
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
¢
: internal component.
•
1
: fusible resistor.
•
C
: panel designation.
For printed wiring boards.
Note:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
p
: parts mounted on the conductor side.
•
®
: Through hole.
•
¢
: internal component.
•
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions. (Play the test disc
(TDYS-1)
(TDYS-1)
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
E
: PB (DECK A)
j
: REC (DECK A)
d
: PB (DECK B)
: REC (DECK B)
: REC (DECK B)
p
: PB (Digital out)
l
: REC (Digital in)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
C
These are omitted
E
B
• Indication of transistor
Q
C
These are omitted
E
B
WAVEFORMS
• BD BOARD (1/2)
• BD BOARD (2/2)
1
2
3
4
5
6
7
8
IC101
1
,
2
I, J (PLAY mode)
IC101
4
A (PLAY mode)
IC101
8
,
9
E, F (PLAY mode)
IC121
!§
OSCI
IC121
@∞
LRCK
IC121
@¶
FS256
IC121
@§
XBCK
IC121
(º
FS4
1
2
3
8
9
!º
4
5
6
!¡
!™
!£
7
!¢
IC701
!£
XOUT
IC801
!£
XOUT
IC901
!£
XOUT
IC301
4
2Y
IC351
7
BICK
IC461
!•
SCLK
IC331
7
BICK
IC331
9
LRCK
IC461
!ª
LRCK
IC351
9
LRCK
IC331
4
XTO
IC201
!∞
MCK1,
@™
256CK
IC351
4
XTO
IC101
!¡
XOUT-T
• MAIN BOARD
0.46Vp-p
0.1Vp-p
0.06Vp-p
3.1Vp-p
22.581MHz
3.2Vp-p
44.1kHz
3.8Vp-p
2.822MHz
3.8Vp-p
11.29MHz
3.2Vp-p
176.4kHz
3.4Vp-p
7MHz
3.3Vp-p
32kHz
3.4Vp-p
7MHz
3.3Vp-p
7MHz
5.4Vp-p
11.29MHz
5.5Vp-p
11.29MHz
3.4Vp-p
2.822MHz
3.5Vp-p
44.1kHz
4.3Vp-p
44.1kHz
6Vp-p
2.822MHz
1.8Vp-p
45MHz
5.4Vp-p
11.29MHz
3.5Vp-p
44.1kHz
3.4Vp-p
2.822MHz
MDS-W1
– 61 –
– 62 –
6-3. PRINTED WIRING BOARD – BD SECTION –
• See page 50 for Circuit Boards Location.
Ref. No.
Location
• Semiconductor
Location
Ref. No.
Location
• Semiconductor
Location
D101
A-1
D181
D-3
D183
D-3
IC103
B-1
IC171
D-1
Q102
B-1
Q103
B-1
Q104
B-1
IC101
A-3
IC121
C-3
IC123
D-2
IC124
C-3
IC152
B-1
IC181
C-1
IC192
D-1
Q101
B-3
Q162
B-3
Q163
B-3
Q181
C-1
Q182
C-2
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