Model FA2100 CVR
Instruction Manual
Installation & Operation
Jan. 01/03
Rev. 07
Page A–14
165E1846–00
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BRAKE
GEAR
BULK ERASE INTERLOCK (TYPICAL)
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INPUT
CHANNEL
3
INPUT
CHANNEL
2
INPUT
CHANNEL
1
INPUT
CHANNEL
4
VOICE RECORDER UNIT
STANDARD INTERWIRING PER ARINC SPEC 757
TO 115 VAC, 400 HZ
TO AC COLD
MODEL S261
CONTROL UNIT
5
AMPS
1
AMP
4
TO DC POWER IN
28 VDC
2, 7
3
3
3, 6
COCKPIT AREA MICROPHONE
7
8
9
9, 10
9, 10
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”
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 NO.1 INPUT HI
MIC NO.1 BIAS
AUDIO MONITOR LO
AUDIO MONITOR HI
MIC NO.1 INPUT LO
MIC BIAS (WHITE)
MIC HIGH (BLACK)
MIC LOW (SHIELD)
OR
FROM ROTOR
SPEED SENSOR
MODEL S056
MICROPHONE
FROM
CAPTAIN’S
CLOCK
TO ANNUNCIATOR
OR MAINT.
COMPUTER
SPARE MICROPHONE
TO 3RD CREW MEMBER
OR PA SYSTEM
TO COPILOT
MICROPHONE
TO PILOT
MICROPHONE
5
9
13
11
12
Figure A–9.
Interwiring Diagram, Voice Recorder Unit, S261 Control Unit,
S056 Remote Microphone