Model FA2100 CVR
Instruction Manual
Installation & Operation
Rev. 07
Jan. 01/03
165E1846–00
Page A–33
1.
115 VAC HOT OUT
2.
115 VAC HOT IN
3.
AC COMMON COLD
4.
5.
AUDIO OUT LO
6.
AUDIO OUT HI
7.
BIAS JUMPER
8.
BIAS JUMPER
9.
+27.5 Vdc INPUT
10.
STOP RECORDING
11.
12.
PUSH_TO_TEST
13.
PREAMP POWER OUT GND
14.
PREAMP POWER +18 Vdc REG
15.
IND
16.
INDICATOR –
17.
CHASSIS GROUND
18.
19.
20.
21.
22.
23.
CVR FAULT
24.
25.
GMT IN B (ARINC 429) LO
26.
GMT IN A (ARINC 429) HI
27.
28.
29.
30.
LO
31.
CHANNEL 1
32.
HI
33.
34.
35.
LO
36.
CHANNEL 2
37.
HI
38.
39.
40.
41.
LO
42.
CHANNEL 3
43.
HI
44.
45.
LO
46.
CHANNEL 4
47.
HI
48.
ROTOR SPEED IN LO
49.
ROTOR SPEED IN HI
50.
51.
52.
53.
54.
55.
ERASE A
56.
57.
ERASE C
PUSH_TO_TEST
PRE–AMP POWER GND
PRE–AMP POWER +18 VDC
IND
INDICATOR –
CHASSIS GROUND
ERASE SWITCH “A”
ERASE SWITCH “C”
OUTPUT – LOW
OUTPUT – HIGH
MIKE CABLE SHIELD
MIKE INPUT – HI
MIKE INPUT – LO
FILTER COMMON
FILTER 1.000 HZ
AUDIO JACK – LO
AUDIO JACK – HI
6 DB ATTENUATION
ATTENUATOR_ COMMON
12 DB ATTENUATION
24 DB ATTENUATION
MIC OUTPUT HI (AUDIO)
MIC OUTPUT LO ( DC IN )
MIC SHIELD
(CONNECTOR SHELL)
1
AMP
TO
115 VAC HOT (400HZ)
TO AC COLD
5
AMPS
3
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
W
X
Y
Z
a
b
c
d
e
f
g
h
i
j
k
p
q
r
s
t
1
2
12
6
3
3, 7
TO 27.5VDC
MODEL A151B
CONTROL UNIT
MODEL A55B
MICROPHONE
COCKPIT AREA MICROPHONE
STANDARD INTERWIRING PER ARINC SPEC 557
2, 8
BRAKE
GEAR
OR
VOICE RECORDER UNIT
FROM ROTOR
SPEED SENSOR
TO ANNUNCIATOR OR
MAINT. COMPUTER
9
5
4
10, 11
TO PILOT
MICROPHONE
TO COPILOT
MICROPHONE
SPARE MICROPHONE
TO 3RD CREW
MEMBER OR
PA SYSTEM
FROM CAPTAIN’S
CLOCK
10
10, 11
10
8
14
13
Figure A–24.
Interwiring Diagram, Voice Recorder Unit, A151B Control Unit,
A55B Remote Microphone
Such Installations Do Not Comply with ED–56A
