Kenwood TKR-740 Service Manual page 20

TKR-740
1.6 Controller and Remote Termination Panel Inter
connection Diagram
1 +B
2 +B
3 NC
4 GND
5 GND
6 SPG
7 RD
8 RSSI
9 SPI
10 TXCV
11 RXCV
12 SPO
13 VC
14 FWD
15 EXT REF
2. TKR-740 Programming Settings w ith
External Equipment
2.1. LTR Logic Controllers
1) Program the RX/TX channel frequency but do not set QT/
DQT tone/codes..
2) Edit the channel data by pressing [F10].
Set: Simplex = "No"; Repeat = "No"; this will override the
TKR-740 internal conventional repeater controller function.
3) Select Time Out Timer = OFF.
<Edit>➔<Optional features>➔Time Out Timer "OFF".
20
APPLICATION NOTE
TKR-740
1 NC
2 RXD2
3 TXD2
4 AUXI 1
5 AUXI 2
6 AUXI 3
7 DG
8 TD
9 TA
10 RD
11 RA
12 RXG
13 SPM
14 NC
15 EXT_MON
16 EXT_PTT
17 SC
18 NC
19 TXG
20 AUXO 1
21 AUXO 2
22 AUXO 3
23 AUXO 4
24 AUXO 5
25 AUXO 6
1 Remote RA
2 Remote TA
3 Remote PTT
4 EXT MON
5 GND
6 AUX I/O 1
7 AUX I/O 2
8 AUX I/O 3
9 AUX I/O 4
10 AUX I/O 5
11 AUX I/O 6
12 AUX I/O 7
+B
GND
Digital GND
CTCSS/DCS Encode
TX Audio Out
Discriminator In
PTT Out
COR In
Tone Remote
Termination Panel
+B
GND
RX Audio
TX Audio
PTT
MON
TX Audio Return
F1
F2
F3
F4
F5
F6
F7
F8
4) Connect the 25-pin D-sub on TKR-740 to the interface port
on LTR controller with a cable.
Layout of 25-pin D-Sub connector is compatible with
TKR-740 and TKR-830.
The cable for TKR-830 can be use for TKR-740.
5) Adjust a LTR controller (RX data, RPT audio, TX data, etc)
according its installation manual.
Controller
2W/4W
or DC
Console