COMPONENT MAINTENANCE MANUAL
AVIATION RECORDERS
FA2100CVR
Rev. 15 Page 164
Apr. 14/16
Testing & Fault Isolation
23–70–04
Use or disclosure of information on this sheet is subject
to the restrictions on the cover page of this document.
5.4 /SQC
−
56.6 dBV
08:05:40 PASSED Channel Bal 1000 Hz 0.1 ref (All within 3 dB except HQC)
Results = HQ1
−
8.3 /HQ2
−
8.2 /HQ3
−
8.4 /HQC
−
9.4 /SQV1
−
8.0 /SQV2
−
8.1
/SQV3
−
8.1 /SQC
−
293.8 dBV
(8)
Frequency Response
Record simulated 150 Hz
½
reference data for each channel 1,2,3 and 4.
Record simulated 1000 Hz
½
reference data for each channel 1,2,3 and 4.
Record simulated 3500 Hz
½
reference data for each channel 1,2,3 and 4.
Record simulated 5000 Hz
½
reference data for channel 4.
Record simulated 6000 Hz
½
reference data for channel 4.
Verify amplitude all within 6 dB.
Example report message(s):
08:06:28 Frequency Resp 150 Hz 0.5 ref Results = HQ1 3.6 /HQ2 3.8 /HQ3 3.5
/HQC 1.4 /SQV1 3.9 /SQV2 3.9 /SQV3 3.9 /SQC 3.9 dBV
08:07:15 Frequency Resp 1000 Hz 0.5 ref Results = HQ1 5.2 /HQ2 5.3 /HQ3
5.1 /HQC 5.1 /SQV1 5.4 /SQV2 5.4 /SQV3 5.4 /SQC 5.4 dBV
08:08:02 Frequency Resp 3500 Hz 0.5 ref Results = HQ1 3.3 /HQ2 2.9 /HQ3
2.5 /HQC 5.1 /SQV1 3.7 /SQV2 3.7 /SQV3 3.8 /SQC 3.5 dBV
08:08:12 Frequency Resp 5000 Hz 0.5 ref Results = HQC 4.9 dBV
08:08:23 Frequency Resp 6000 Hz 0.5 ref Results = HQC 4.9 dBV
08:08:23 PASSED Frequency Resp (All within 6 dB)
(9)
Signal to Noise and Distortion
Record simulated data at each of the following frequencies once at 1.0 reference
level and again at 1/10 reference). Verify HQ data is > 24.0 dB and SQ data is >
20.0 dB.
Return To Service Frequencies:
Frequencies for HQ1, HQ2, HQ3, HQCAM, SQV1, and SQCAM are:
150, 1000 and 3500 Hz.
Frequencies for HQCAM only are: 5000 and 6000 Hz.
Selectable Test Options Frequencies:
Frequencies for HQ1, HQ2, HQ3, HQCAM, SQV1, and SQCAM are:
150, 200, 250, 315, 400, 500, 630, 800, 1000, 1250, 1600, 2000, 2500
The document reference is online, please check the correspondence between the online documentation and the printed version.