User's Manual

TY91/TY92 VHF Radio Installation Manual 11 April 2012
00839-00 Issue AA
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Page 52 Trig Avionics Limited
TC90
Controller
TY91/TY92 VHF Radio
Speaker GND
Speaker OUT
TMAP 1A
TMAP 1B
TC90 Power
Power ON
Ground
TMAP 2A
TMAP 2B
TX Interlock
Aux In
Intercom PTT
Reserved
Reserved
Reserved
PTT2
MIC 2 In
Ground
PTT 1
MIC 1 In
Phone Out
Phone Gnd
DC Power
DC Power
Ground
RF
1
2
3
4
12
13
9
7
8
18
20
17
5
6
16
14
21
22
15
23
11
10
24
25
19
Ground
TMAP A
TMAP B
Ground
RS232 Out
RS232 In
Ground
Remote ON
Power In
Ground
Reserved
Step Key
Transfer Key
Reserved
Reserved
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PTT 2
PTT1
INTERCOM
PTT
SPEAKER
X
PHONE 2
MIC 2
PHONE 1
MIC 1
REMOTE FREQUENCY
STEP (OPTIONAL)
REMOTE FREQUENCY
TRANSFER (OPTIONAL)
X
X
X
4
ANTENNA
5A
(+) AIRCRAFT POWER 11 – 33VDC
20 AWG (NOTE 2)
Diagram 1: TY91/TY92
Typical Interconnect
1
2
3
5
2
3
4
5
DC POWER WIRES SHOULD BE A MINIMUM OF 20 AWG
ALL WIRES SHOULD BE 18 – 24 AWG
NOTES:
TMAP LINES 2A AND 2B CONTAIN IDENTICAL DATA AS TMAP 1A
AND 1B. WIRED TOGETHER INTERNALLY
TO PERMANENTLY ENABLE THE INTERCOM THIS SHOULD
CONNECTED DIRECTLY TO GROUND.
AUXILIARY AUDIO INPUT ROUTED TO THE SPEAKER AND
HEADPHONE OUTPUTS
(OPTIONAL) RS232 INPUT FROM GPS TO PRELOAD
STANDBY/ACTIVE FREQUENCIES
MIC CABLES SHOULD BE WIRED USING A TWISTED SCREENED PAIR
WITH THE SCREENING CONNECTED TO GROUND AT BOTH ENDS.
1
2
6
1
6
TX INTERLOCK TO BE CONNECTED WHEN INSTALLING A DUAL
VHF RADIO SYSTEM. REFER TO DIAGRAM 2
(-) AIRCRAFT GROUND
X
X
7
7
IF BOTH PTT1 AND PTT2 ARE PRESSED SIMULTANEOUSLY THEN
PTT 1 WILL TAKE PRIORITY AND THEREFORE MIC 1 AUDIO WILL BE
ROUTED TO THE RADIO.
MIC2 KEY LINE
MIC1 KEY LINE
GROUND WIRES CAN BE LOOPED TOGETHER OUTSIDE THE CONNECTOR.
MORE THAN 1 GROUND SHOULD BE PHYSICALLY CONNECTED TO THE
TY91/TY92.
3