
DS-90/90A
Feb. 2000
9
CIRCUIT DIAGRAM (DA BOARD)
POWER LED
Green
DIGITAL IN LED
Orange
R c h
R c h
Lch
Lch
D
D
D
D
D
D
+5
D
+5
D
D
+5
D
D
D
+5
D
D
+5
D
D
+5
D
D
+5
D
D
A
A
- 1 5
+ 15
+5
A
D
D
D
A
A
A
A
A
A
+ 15
- 1 5
+5
D
D
D
D
+ 15
- 1 5
A
A
A
D
A
+5
D
+5
D
D
+5
D
A
- 1 5
A
+ 15
A
A
A
D
D
D
D
D
A
A
A
D
A
D
D
A
D
+5
D
D
D
D
D
A
+5
A
R 4 1
7 5
R 4 2
1k
R 3 2
10k
R 3 0
10k
R 2 5
10k
R 2 0
15k
C 3 4
0.1
C 3 3
0.01
C 1 0
4 7 0 p
R 1 7
1k
R 2 3
2.2k
R 8
2.2k
R 1 3
1k
S W 1 A
S S S F 1 2 3 8 0 0
1 1
1 2
1 3
1 4
1 5
C 4 1
0.047
R 3 9
47k
R 3 4
2.2k
IC4
T C 7 4 H C 5 9 5 A P
Q H -
9
Q H
7
Q G
6
Q F
5
Q E
4
Q D
3
Q C
2
Q B
1
Q A
1 5
SI
1 4
S C L R
1 0
G
1 3
S C K
1 1
R C K
1 2
VCC
16
GND
8
J K 1
T O R X 1 7 8 A
Optical IN
Coaxial IN
Coaxial Through
2
3
1
J K 2 B
Y K C 2 1 - 3 0 4 4
2 2
2 1
J K 2 A
Y K C 2 1 - 3 0 4 4
1 2
1 1
D 1
Z D i
2 . 0 V
1
2
C 2 3
0.1
R 2 4
10k
I C 1 A
T L 0 7 2 C P
+
-
2
3
1
C 1 6
47/16
R 1 8
2 2 0
R 1 9
10k
R 7
10k
R 3
15k
R 6
15k
C 2
4 7 0 p
C 6
4 7 0 p
R 1
10k
Q 1
2 S C 2 8 7 8 A
3
1
2
C 1
47/16
R 2
47k
R 4
2 2 0
R 5
10k
I C 1 B
T L 0 7 2 C P
+
-
6
5
7
Q 2
2 S A 1 0 1 5 G R
3
2
1
R 1 1
47k
R 9
47k
R 1 0
47k
Q 3
2 S C 1 8 1 5 G R
3
1
2
R 2 6
47k
R 1 2
47k
C 1 3
0.1
R 4 5
7 5
C 2 7
0.1
R 4 3
47k
R 3 6
3 9 0
R 2 9
3 9 0
C 4 0
100/35
I C 3 G
T C 7 4 H C U 0 4 A P
14
7
C 3 2
100/35
R 3 5
1 0 1 / 2 W
R 3 1
2 2 0
R 3 7
2 2 0
IC2
A K 4 3 2 4
DVSS
1
DVDD
2
C K S
3
M C L K
4
P D
5
B I C K
6
S D A T A
7
L R C K
8
S M U T E
9
D F S
1 0
D E M 0
1 1
D E M 1
1 2
DIF0
1 3
DIF1
1 4
DIF2
1 5
A O U T R -
1 6
A O U T R +
1 7
A O U T L -
1 8
A O U T L +
1 9
AVSS
20
V R E F
2 1
AVDD
22
D Z F R
2 3
D Z F L
2 4
C 8
47/35
C 7
47/35
Q 4
2 S A 1 0 1 5 G R
3
2
1
R 2 2
47k
R 1 4
47k
R 2 7
47k
R 1 6
47k
C 1 4
0.1
C N 1
S 6 B - P H - K - S
1
1
2
2
3
3
4
4
5
5
6
6
C 2 1 0.1
Q 6
2 S C 2 8 7 8 A
3
1
2
C 1 1
4 7 0 p
R 2 8
47k
R 2 1
15k
S W 1 B
S S S F 1 2 3 8 0 0
2 1
2 2
2 3
2 4
2 5
C 1 8
0.47
C 1 7
0.47
C 4
0.47
C 3
0.47
2 2 0
R 4 0
0.1
C 2 2
0.1
C 2 0
0.1
C 1 5
S W 2 C
S S S F 1 2 0 5 0 0
10
20
J K 2 C
Y K C 2 1 - 3 0 4 4
A
B
10
S W 1 C
S S S F 1 2 3 8 0 0
10
20
I C 3 B
T C 7 4 H C U 0 4 A P
3
4
I C 3 C
T C 7 4 H C U 0 4 A P
5
6
I C 3 A
T C 7 4 H C U 0 4 A P
1
2
C 2 8
0.1
C 2 5
0.1
R 1 5
47k
Q 5
2 S C 1 8 1 5 G R
3
1
2
Q 7
2 S C 1 8 1 5 G R
3
1
2
R 4 4
47k
R 4 6
47k
Q 8
2 S C 1 8 1 5 G R
3
1
2
L 1
B L 0 2 R N 2 - R 6 2
C 4 2
0.1
C 3 7
47/16 BP
C 3 8
0.01
S W 2 B
S S S F 1 2 0 5 0 0
2 1
2 3
2 2
I C 3 D
T C 7 4 H C U 0 4 A P
9
8
I C 3 E
T C 7 4 H C U 0 4 A P
1 1
1 0
IC3F
T C 7 4 H C U 0 4 A P
1 3
1 2
F L 1
PT-10
1
2
3
4
6
10
20
C 2 9
10/35
C 3 6
0.1
T E R 1
J H - 8 M 3
1
2
3
4
0.1
C 3 0
C 3 5
0.1
T E R 2
J H - 8 M 3
1
2
3
4
C 2 4
0.1
0.1
C 9
0.1
C 2 6
IC5
C S 8 4 1 2 - C P
D G N D
8
M 3
1 7
M 2
1 8
M 1
2 4
M 0
2 3
V D +
7
E R F
2 5
C B L
1 5
V
2 8
U
1 4
C
1
F S Y N C
1 1
S C K
1 2
S D A T A
2 6
R X P
9
R X N
1 0
V A +
2 2
FILT
2 0
M C K
1 9
C S 1 2 / F C K
1 3
S E L
1 6
C 0 / E 0
6
C A / E 1
5
C B / E 2
4
C C / F 0
3
C D / F 1
2
C E / F 2
2 7
A G N D
2 1
I C 1 C
T L 0 7 2 C P
+
-
8
4
S W 2 A
S S S F 1 2 0 5 0 0
1 1
1 3
1 2
C N 3
4 P - S A N
1
1
2
2
3
3
4
4
C N 2
S 4 B - P H - K - S
1
1
2
2
3
3
4
4
0.1
C 5
L 2 B L M 3 1 B 6 0 1 SPT
L 6 B L M 3 1 B 6 0 1 SPT
L 5 B L M 3 1 B 6 0 1 SPT
L 4 B L M 3 1 B 6 0 1 SPT
C 1 2
0.1
C 1 9
100/35
L 3 B L M 3 1 B 6 0 1 SPT
R 4 7
4.7k
L E D 2
1
2
C N 2
S 4 B - P H - K - S
1
1
2
2
3
3
4
4
L E D 1
1
2
TO POWER AMP BOARD CN3
TO LED BOARD
Wiring
TO HEAD AMP BOARD CN6
LED BOARD (Analog Sheet)
NIU
DS-90A
S/No.BN22000 UP
NIU
DS-90A
S/No.BN22000 UP
4.7K
for DS-90A or NEW DA