L3 FA2100 CVR, Component Maintenance Manual With Illustrated Parts List

Page: 105 / 334

COMPONENT MAINTENANCE MANUAL
AVIATION RECORDERS
FA2100CVR
Rev. 15 Page 28
Apr. 14/16
Description and Operation
23–70–04
Use or disclosure of information on this sheet is subject
to the restrictions on the cover page of this document.
AUDIO OUT LO
AUDIO OUT HI
RECORD ON B
RECORD ON A
+28 VDC POWER IN
STOP RECORDING/RIPS ACTIVE INPUT
PUSH TO TEST
28 VDC RETURN/SIGNAL GROUND
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
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 757A
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)
CHASSIS GND
VOICE ERASE ”A”
VOICE ERASE ”C”
OUTPUT LO
OUTPUT HI
MIC INPUT LO
MIC INPUT HI
MIC BIAS
AUDIO MONITOR LO
AUDIO MONITOR HI
MIC BIAS (WHITE)
MIC HIGH (BLACK)
MIC LOW (SHEILD))
FROM ROTOR
SPEED
SENSOR
SPARE MICROPHONE
TO 3RD CREW
MEMBER OR
PA SYSTEM
TO COPILOT
MICROPHONE
TO PILOT
MICROPHONE
MICROPHONE
5
13
12
DATA LINK IN (429) B
DATA LINK IN (429) A
OMS IN (429) B
OMS IN (429) A
DATA LINK VALID
DATA LINK V1/OMS B OUT
DATA LINK V1/OMS A OUT
14
14
14
14
DATA LINK FAULT
(Data Link wiring IAW ARINC Spec 757A Paragraph 3.9)
(2100
−
1027
−
02 wiring shown for
reference)
LIGHTING COMMON
LIGHTING 28V
15
15
16
RES - CVR REPLAY INHIBIT/
PLAYBACK INHIBIT
17
RIPS FAULT INPUT
RIPS MAINTENANCE INPUT
RIPS PRESENT INPUT
CHASSIS GND
28 VDC RETURN
3
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
A
5
Figure 8. ARINC 757A Interwiring Diagram, Recorder FA2100 CVR
(2100-1X27-XX)
The document reference is online, please check the correspondence between the online documentation and the printed version.