Dimensions = mm (inches)
Figure 3 - Electrical Schematic - Dual Transmitter Interface PWB (NAPI66)
Version 1.0
Not to Scale
Drawing No. S1580174
Sheet 1 of 1
19 J4
7 J4
8 J5
7 J5
RMT AUDIO (A)
RMT AUDIO (B)
S1580174 V1
+15VDC (A)
23 J4
23 J5
SHTDN ALM (A)
SHTDN ALM (B)
DENOTES TB6
DENOTES TB5
DENOTES TB1
DENOTES TB2
DENOTES TB3
DENOTES TB4
11 J4
4
6
8
K3:B
13
11
9
K3:C
1
16
K3:E
4
6
8
K2:B
+24V
1
3
5
7
K3:A
CR7
13
11
9
K2:C
8
J1
8
RMT CHGOV ALM
11
J5
STBY ON/OFF (B)
+15VDC (A)
6
1
J1
2
J1
9
4
5
6
RMT AUDIO
NO
COM
NC
RMT CHGOV ALM
CR8
14
12
10
K2:D
+24V
3
5
6
K4:A
10
8
7
K4:B
1
12
1
K4:C
5
20
J1
RMT AUDIO GND
1N5624
CR4
B+VDC (B) 25 J5
1N5624
CR3
B+VDC (A) 13 J4
2
1
3
S2:A
2
1
3
S1:A
A
MAIN XMTR
CONTROL
XMTR SELECT
LOCAL
REMOTE
1
+24V
3
11 J1
RMT B MAIN
B
19 J5
+15VDC (B)
1N5624
CR2
+24VDC (B)
10 J5
7
+24VDC (A)
15 J1
24 J4
14 J1
1N5624
CR1
9
+24V
RMT SHTDN ALM
CR5
1
13
J1
1
16
K1:E
3
5
7
K1:A
1
12
J1
1
16
K2:E
CR6
3
5
7
K2:A
13
11
9
K1:C
4
6
8
K1:B
1
2
RMT XMTR ON STAT
9
4
J1
B+ VDC
1
2
3
NO
COM
NC
RMT SHTDN ALM
3
J1
19
J1
6
+15VDC (B)
STBY ON/OFF (A)
2
J4
RMT ON/OFF
DC SUPPLY
RMT PWR TRIM (B)
EXT RF INPUT (B)
2
1
+
-
STBY 1 (B)
1
2
25 J1
24 J1
STBY 2
J2
14 J5
15 J4
4
4
22 J1
10 J1
INCREASE (A)
INCREASE (B)
EXT RF INPUT (A)
RMT PWR TRIM (A)
STBY 1 (A)
6
17 J1
8
16 J1
J3
EXT RF INPUT (A)
RMT PWR TRIM (A)
STBY 1 (A)
21
J4
10
J4
J7
J6
1
3
4
2
J5
1
J5
+
-
DC SUPPLY
RMT PWR TRIM (B)
STBY 1 (B)
EXT RF INPUT (B)
STBY 2 (A)
STBY 2 (B)
RMT ON/OFF (A)
RMT ON/OFF (B)
INCREASE
1
J8
4
J4
5
J4
4
J5
5
J5
GND A
GND A
GND B
GND B 20 J5
3 J4
3 J5
8 J4
1
1
6 J4
17 J5
RMT SWR ALM (B)
GND (B)
GND B
GND A
RMT SWR ALM (A)
SERVO INHB (B)
SERVO INHB (A)
DECREASE (B)
DECREASE (A)
+15VDC ATU (B)
+15VDC ATU (A)
GND (A)
18 J5
14 J4
1 J4
16 J4
17 J4
15 J5
16 J5
9 J5
6 J5
20 J4
9 J4
22 J5
RMT BTRY STAT (A)
RMT BTRY STAT (B)
1
RMT BTRY STAT
GND
5
J1
8
6
J1
7
J1
9
J1
7
RMT SWR ALM
5
ATU CONTROL
3
2
DECREASE
+15VDC ATU
GND
5
J8
4
J8
5
7
J8
6
J8
SERVO INHB
4
7
3
23
J1
18
J1
GND
GND
