Title
SCALE
SIZE
Sheet
DRAWN
CHECKED
ENG. APP.
Revision:
DO NOT COPY NOR
DISCLOSE TO ANY
THIRD PARTY
WITHOUT WRITTEN
CONSENT
of
1
IRT Electronics Pty. Ltd.
Drawing No.
COPYRIGHT
ARTARMON NSW AUSTRALIA 2064
A3
N.T.S.
1
DVA-3009
804653
Date:
2
2-May-2003
Dual ASI/SDI Distribution Amplifier
K.N.
Input B
Input A
Output A1
Output B1
Output A2
Output B2
Output A3
Output B3
Carrier Detect B
+5V
GND
Carrier Detect A
Input Equaliser and Output Drivers
I/O
J2 optional power in
(used when fitted to FRU-1030 frame)
1
2
3
J2
AC 1
AC 4
AC 2
AC 3
AC CT
+5V
GND
Power Supply Circuit
PSU
'DC'
'grn'
2
1
R39
680R
+5V
1A
1B
2A
2B
3A
3B
4A
4B
5A
6A
6B
7A
7B
8A
8B
10A
10B
5B
11A
11B
12A
12B
13A
13B
14A
15A
15B
17A
17B
18A
18B
9A
9B
20A
20B
14B
21A
21B
22A
22B
23A
24B
24A
25B
26A
27A
27B
28A
23B
19A
19B
30A
30B
26B
31A
31B
32A
32B
25A
16A
16B
28B
29A
29B
P1
DIN64RA
1A
1B
2A
2B
3A
3B
4A
4B
5A
6A
6B
7A
7B
8A
8B
10A
10B
5B
11A
11B
12A
12B
13A
13B
14A
15A
15B
17A
17B
18A
18B
9A
9B
20A
20B
14B
21A
21B
22A
22B
23A
24B
24A
25B
26A
27A
27B
28A
23B
19A
19B
30A
30B
26B
31A
31B
32A
32B
25A
16A
16B
28B
29A
29B
J1
DIN64
2
1
LD1
HLMP-1503
1 13-06-02
PCB 804654
1
2
L8R
1
2
L7R
1
2
L6R
1
2
L5R
1
2
L4R
1
2
L3R
1
2
L2R
1
2
L1R
+5V
+5V
CONTACT CLOSURE (OR BREAK)
TO GROUND ON ALARM, AS SET BY LK1 and LK2
2
1
R8R
2
1
R5R
2
1
R6R
2
1
R7R
2
1
R4R
2
1
R3R
2
1
R2R
2
1
R1R
SK1
SK2
SK3
SK4
SK5
SK6
SK7
SK8
R1R-R9R = 68R
L1R-L9R = 15nH
INPUT B
INPUT A
OUTPUT B1
OUTPUT B2
OUTPUT B3
OUTPUT A1
OUTPUT A2
OUTPUT A3
'A SIGNAL'
'grn'
2
1
R37
680R
2
1
LD2
HLMP-1503
+5V
'B SIGNAL'
'grn'
2
1
R38
680R
2
1
LD3
HLMP-1503
+5V
3
2
1
SK9
2
1
JP2
0R0
2
1
JP3
0R0
2
1
JP4
0R0
2
1
JP5
0R0
3
1
2
LK1
n.c.
n.o.
2
1
R35
10K
1
2
C35
100nF
+5V
ALARM CIRCUIT
3
2
1
Q1
BSS123
1
2
C37
4u7
1
3
2
D3
BAS16
3
8
RL1A
V23026
10
1
5
RL1B
2
1
R36
10K
1
2
C36
100nF
3
2
1
Q2
BSS123
3
1
2
LK2
n.c.
n.o.
+5V
1
3
2
D4
BAS16
3
8
RL2A
V23026
10
1
5
RL2B
ALARM CIRCUITS
"A" Signal Loss
Ground
"B" Signal Loss
2 27-03-03 ECR1399
1
2
C44
10nF
1
2
C45
10nF
1
2
3
4
5
6
P3
1
3
5
7
9
P2