Sony MDS-S9 Service Manual ▷ View online
MDS-S9
41
41
6-10. SCHEMATIC DIAGRAM – MAIN Board (2/3) –
•
See page 43 for Waveforms.
•
See page 33 for IC Block Diagram.
(Page 37)
(Page 40)
(Page 42)
MDS-S9
42
42
6-11. SCHEMATIC DIAGRAM – MAIN (3/3)/PT Boards –
•
See page 33 for IC Block Diagrams.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 40)
(Page 40)
(Page 41)
MDS-S9
43
43
1.6 Vp-p
540 ns
C910
C950
RY910
C900
C922
LF900
LINE
FILTER
C901
TR900
SUB POWER
TRANSFORMER
C920
C951
D910
C921
JW904
C924
C923
C952
JW901
CN900
LP900
CN901
LP901
TR950
MAIN POWER
TRANSFORMER
PT BOARD
1
2
AC IN
1
1
2
6
8
3
4
4
3
2
1
1
1
10
13
12
11
10
9
8
7
6
2
3
4
5
2
1-681-806-
11
(11)
D
MAIN BOARD
CN902
(CHASSIS)
6-12. PRINTED WIRING BOARD – PT Board –
(Page 39)
3.3 Vp-p
354 ns
3.6 Vp-p
22.7
µ
s
1.4 Vp-p
22.2 ns
4.4 Vp-p
354 ns
2.9 Vp-p
100 ns
3.6 Vp-p
22.2 ns
4.2 Vp-p
22.7
µ
s
5.2 Vp-p
22.2 ns
0.6 Vp-p
0.1 Vp-p
0.5 Vp-p
•
Waveforms
– BD Board –
1
IC101
1
(I),
2
(J) (MD Play mode)
6
IC151
wk
(XBCK)
3
IC500
9
(XTI)
2
IC101
4
(A) (MD Play mode)
4
IC500
qa
(LRCK)
3
IC101
8
(E),
9
(F) (MD Play mode)
7
IC171
3
5
IC500
qs
(BICK)
4
IC151
qh
(OSCI)
– MAIN Board –
1
IC1
w;
(XOUT)
5
IC151
wj
(LRCK)
2
IC550
2
– DISPLAY Board –
1
IC761
tk
(OSC0)
1.4 Vp-p
22.2
µ
s
MDS-S9
44
44
S713
C765
S703
C762
C760
C763
C761
R723
R761
Q767
C769
C764
S723
R760
R767
S711
R781
S715
S712
S714
R714
R726
R751
R704
R702
R712
R724
R722
D751
S721
Q751
S705
S724
S701
S702
C766
R775
R713
S726
R762
Q775
D775
S704
S722
R705
R769
R715
R703
R763
IC781
CN701
C781
C782
R782
C700
LP700
JW701
JW702
JW703
JW704
JW706
JW707
JW708
JW710
JW711
JW712
JW713
JW714
JW715
JW716
JW717
JW718
JW719
JW720
JW721
JW722
JW723
JW724
JW725
IC761
C773
C770
E
3
1
E
E
DISPLAY BOARD
(CHASSIS)
CLEAR
MENU/NO
YES
M
u
z
x
m
1
3
5
4
Z
C
MAIN BOARD
CN490
.
AMS >
PUSH ENTER
S713
ROTARY ENCODER
S701 – 705,
S711, 712,
S714, 715,
S714, 715,
S721 – 724, 726
MDLP
INPUT
I/1
REC MODE
STANDBY
PLAY MODE
LEVEL/DISPLAY/CHAR
1-681-805-
11
(11)
A
B
C
1
2
3
4
5
6
7
8
9
10
11
6-13. PRINTED WIRING BOARD – DISPLAY Board –
• Semiconductor
Location
Ref. No.
Location
D751
A-11
D775
B-9
IC761
B-6
IC781
B-9
Q751
B-10
Q767
B-9
Q775
B-9
(Page 38)
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