Telex Airman 850 Maintenance And Overhaul Manual page 6

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Brochure & specs (20 pages)

Operating instructions manual (13 pages)

Customer maintenance manual (34 pages)

Table Of Contents

Table of Contents

4.3.2 Connector View for Catalog Numbers 301317-101 and -201 ................................. 24

4.3.3 Connector View for Catalog Numbers 301317-002 ................................................ 24

4.3.4 Connector Wiring Diagram for Catalog Numbers 301317-000, -003, -101,

-200, -201, -300, and -400 ...................................................................................... 25

4.3.5 Connector Wiring Diagram for Catalog Number 301317-002 (5-Pin XLR)........... 25

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CHAPTER 5

Maintenance............................................................................................................................................. 27

5.0 Maintenance............................................................................................................................ 27

5.1 Microphone Validation and Adjustment........................................................................... 27

5.1.1 Microphone/Amplifier Sensitivity Check................................................................ 27

5.1.2 Microphone Sensitivity Adjustment ........................................................................ 28

5.1.3 Troubleshooting Mic Failure ................................................................................... 29

5.2 Speaker Validation and Adjustment ................................................................................. 31

5.2.1 Speaker Sensitivity and Frequency Response Verification ..................................... 31

5.3 ANR Validation and Adjustment...................................................................................... 32

5.3.1 Active Noise Reduction (ANR Versions Only)....................................................... 32

5.3.2 Minimum Attenuation Requirements (Linearize between points) .......................... 32

5.3.3 ANR Test Procedure ................................................................................................ 32

5.4 Cleaning the Unit .............................................................................................................. 34

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CHAPTER 6

Troubleshooting ....................................................................................................................................... 35

6.0 Troubleshooting Chart ............................................................................................................ 35

Airman 850

Table of Contents