Model FA2100 CVR
Instruction Manual
Installation & Operation
Rev. 07
Jan. 01/03
165E1846–00
Page A–5
AUDIO OUT LO
AUDIO OUT HI
RECORD ON B
RECORD ON A
+28 VDC POWER IN
STOP RECORDING
PUSH TO TEST
TEST INDICATOR +
TEST INDICATOR –
CHASSIS GND
CVR FAULT
GMT IN B (ARINC 429) LO
GMT IN A (ARINC 429) HI
CHANNEL 1 LO
CHANNEL 1 HI
CHANNEL 2 LO
CHANNEL 2 HI
CHANNEL 3 LO
CHANNEL 3 HI
CHANNEL 4 LO
CHANNEL 4 HI
ROTOR SPEED IN LO
ROTOR SPEED IN HI
VOICE ERASE ”A”
VOICE ERASE ”C”
FROM CAPTAIN’S
CLOCK
TO ANNUNCIATOR
OR MAINT.
COMPUTER
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
W
X
Y
Z
a
c
d
e
f
g
h
i
j
k
m
n
p
q
r
s
t
b
12
13
11
10
9
8
7
6
5
4
3
2
1
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
5
AMPS
TO DC POWER IN
28 VDC
BRAKE
GEAR
BULK ERASE INTERLOCK (TYPICAL)
INPUT
CHANNEL
3
INPUT
CHANNEL
2
INPUT
CHANNEL
1
INPUT
CHANNEL
4
COCKPIT AREA MICROPHONE
VOICE RECORDER UNIT
STANDARD INTERWIRING PER ARINC SPEC 757
MODEL S151
CONTROL UNIT
TO AC COLD
TO 115 VAC, 400 HZ
1
AMP
2, 8
3
4
3
3, 7
8
6
9
10
10, 11
10, 11
OR
115 VAC POWER IN HOT
115 VAC POWER IN COLD
PREAMP PWR OUT GND
PREAMP PWR OUT HOT (+18 VDC REG)
PUSH TO TEST
PREAMP PWR GND
PREAMP PWR HOT (+18 VDC REG)
TEST INDICATOR +
TEST INDICATOR –
CHASSIS GND
VOICE ERASE ”A”
VOICE ERASE ”C”
OUTPUT LO
OUTPUT HI
MIC INPUT LO
MIC INPUT HI
MIC BIAS
MIC INPUT SHIELD
AUDIO MONITOR LO
AUDIO MONITOR HI
MIC BIAS (WHITE)
MIC HIGH (BLACK)
MIC LOW (GREEN)
FROM ROTOR
SPEED
SENSOR
SPARE MICROPHONE
TO 3RD CREW
MEMBER OR
PA SYSTEM
TO COPILOT
MICROPHONE
TO PILOT
MICROPHONE
MODEL S055
MICROPHONE
5
10
13
12
Figure A–3.
Interwiring Diagram, Voice Recorder Unit, S151 Control Unit,
S055 Remote Microphone
