Installation Instructions

GTN 6XX/7XX AML STC Installation Manual 190-01007-A3
Page E-35 Rev. 4
AUDIO PANEL
BENDIX/KING
COM 1/(COM 2) MIC AUDIO
COM 1/(COM 2) MIC KEY
COM 1/(COM 2) AUDIO HI
COM 1/(COM 2) AUDIO LO
COM 1/(COM 2) MIC AUDIO LO
GND LUG
KMA 24H
-70/-71
KMA 28KMA 26KMA 24
P241 P261 J1
(BOTTOM)
P241
PS ENGINEERING
GARMIN
PMA 8000
PMA 6000
PMA 7000
J1
(BOTTOM)
BOTTOM
SL 10 SERIES
SL 15 SERIES
GMA 340 GMA 347
BOTTOM
J1
J3471
GND LUGGND LUGGND LUGGND LUGGND LUGGND LUGGND LUG
GND LUGGND LUGGND LUGGND LUG
T/(16)
3/(E)
C/(H)
9/(10)
P/(H)
R/(V)
4/(5)
21/(22)
38/(40)
37/(39)
R/(V)
P/(H)
9/(10)
R/(V)
P/(H)
9/(10)9/(13)
10/(14)
11/(15)
12/(30)
7/(12)
8/(13)
26/(32)
27/(33)
8/(13)
9/(13)
10/(14)
11/(15)
12/(30)
10/(14)
9/(10)
P/(H)
R/(V)
NAV 1/(NAV 2) AUDIO HI
NAV 1/(NAV 2) AUDIO LO
P/(13)
GND LUG
12/(13)
GND LUG
7/(8)
24/(25)
12/(13)
GND LUG
12/(13)
GND LUG
17/(19)
18/(20)
6/(14)
25/(34)
17/(19)
18/(20)
12/(13)
GND LUG
GTN 6XX/7XX
MIC AUDIO IN LO
COM MIC 1 KEY*
500 Ω COM AUDIO LO
500 Ω COM AUDIO HI
500 Ω VOR/LOC AUDIO OUT HI
7
18
5
11
20
P1003
P1004
16
17
3
6
P1001
UNSWITCHED AUDIO IN HI
UNSWITCHED AUDIO IN LO
10
14
T
GND LUG
14
31
T
GND LUG
T
GND LUG
31
32
54
55
31
32
T
GND LUG
AUDIO OUT HI
AUDIO OUT LO
4
23
COM MIC 1 AUDIO IN HI
500 Ω VOR/LOC AUDIO OUT LO
7
7
8
3
3
5
9
R
MIXING AUDIO SIGNALS USING RESISTORS
EXISTING LRU
AUDIO OUT
BEFORE MODIFICATION
EXISTING LRU
AUDIO OUT
AUDIO PANEL
UNSWITCHED
AUDIO IN
AFTER MODIFICATION
GTN 6XX/7XX
AUDIO OUT
R
8
HI
LO
AUDIO PANEL
UNSWITCHED
AUDIO IN
HI
LO
AUDIO PANEL INTERCONNECT
Figure E-14. GTN 6XX/7XX Audio Panel Interconnect
Sheet 1 of 3