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LAYBACK SIGNAL LINE
L701
10 H
C706
50V3.3
0V
Q706
DTC114EUT106
RESET
5V
5V
.8V
0V
8
19
4.8V
0V
5ms. 2V/DIV.
4.8V
0V
T
16 ms.
3.6V
0V
A
B
C
D
E
T
16ms.
R737
10K
R736
10K
R711
100K
5V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
0V
T 16ms.
3V
42
41
40
39
38
37
0V
T
16ms.
R712
68K
R718
68K
R701
10K
R702
10K
C B A F
G H
F
G
5V
R630
0.33
10.3V
Q602
2SD2144STA
POWER SUPPLY
R602
0.33
9.6V
10.3V
10.3V
R609
100
D651
MA165TA
D652
MA165TA
9.6V
RS-DV290(EG) MAIN,MECHANISM(DECK1,2), EARTH TERMINAL CIRCUIT DIAGRAM
20
5V
J
G
D
E
R738
R747
1K
1K
R704
4.7K
0.1V
Q701
1.2V
P-P
F=8MHz
R722
4.8V
0V
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
I
J K L M N
O
R
Q
S
P
Q604
2SC3940AQSTA
R603
REGULATOR
10
5V
9.4V
5.7V
R606
1.5K
+ 10V
(D.GND)
E D A B C
TP609
TP604
R632
47K
A
B
C
D
E
F
Rch
Lch
OUT
OUT
CT.GND
21
22
Q701,703
2SD1819ARTX
INTERFACE
F
H
I
1.9V
0V
R708
1.8V
4.7K
0V
0V
Q703
R705
47K
1
3
100
0.2V
0.6V
0V
2
X701
(8MHz)
Q702
2.4V
2SD1819ARTX
P-P
INTERFACE
F=8MHz
IC701
M38503M2406F
SYSTEM CONTROL
R703
5.6K
R735
4.7K
R721
4.7K
R732
100K
EARTH
D
TERMINAL
CIRCUIT
A.GND
W601
CN601
F
1
SYNC
2
NC
3
NC
G
4
CS
5
+B (10V)
6
D.GND
7
H
SCLK
8
I
DATA
9
J
DECK REQ
10
NC
11
TAPE Rch OUT
12
TAPE Lch OUT
13
RS A.GND
14
TAPE Rch IN
15
TAPE Lch IN
16
NC
17
A.GND
Rch
Lch
18
NC
IN
IN
19
NC
20
NC
23
CN901
1
A
2
B
3
C
4
5
D
6
7
8
E
E1
To DVD CHANGER(SL-DV290)
CD CHANGER (SL-EH790)
CD PLAYER(SL-EH590) &
SOUND PROCESSOR
(SH-DV290,SH-EH790,590)
24
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