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Installation
18
025-9368H
Icom IC-RP1510 Repeater
For:
Zetron Model 38, 38-MAX, 39-MAX, 45B, 48B, 48-MAX, 735, 745, 748
To:
ICOM IC-RP1510 repeater
Using: 709-7112 Generic radio cable
ZETRON END
RADIO END
Function
Pin
Color
Connections/Notes
12 volts AC/DC in
1
Red
Anode DC, power bus
12 volts AC input
2
---
DC ground
3
Black
J2 pin 1, GND (logic board)
Ground
4
Drain
No connection
PTT NC
5
---
PTT COM
6
Jmpr
PTT NO
7
Orange
J2 pin 5, PTT (logic board)
Aux relay
8
---
Sense/alarm
9
---
COR input
10
Yellow
P5 pin 2, Sqlsw (green wire RX unit)
TX audio
11
Blue
Junction of R49 and C20
(logic board)
Ground
12
---
CTCSS/DCS encode
13
Green
Right side of R43 (logic board)
Ground
14
Brown
J2 pin 3, GND (logic board)
Discriminator in
15
White
Negative side of C32 (logic board)
Radio Configuration:
1.
Remove R22 (22K) to isolate PTT indication to control logic.
2.
Isolate PTT control line from control logic by cutting trace next to J2 pin 6 (PTT).
3.
Remove C20 (0.1uf) to isolate voice audio from summing amp.
4.
Change R43 to 10K ohm, and cut trace between IC8 pin 7 and R43.
5.
Remove C32 (0.47uf) to isolate discriminator output from logic board.
Operational Notes:
1.
Squelch control on front panel sets COR for tone panel and speaker.
2.
Front panel speaker will monitor all channel activity.
3.
Microphone set on front panel will still function.
4.
This transmitter is not capable of DCS encode.
Содержание 748
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