Telex Airman 850, Руководство по обслуживанию клиента

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Airman 850 Table of contents | en 3
Bosch Security Systems LLC
Customer maintenance manual
09-2021 | V07 | F.01U.264.819
Table of contents
1
General information 5
1.1 Purpose of manual 5
1.2 Technical support 5
1.3 Parts ordering 5
1.4 Repairs 5
2 Description 6
2.1 General description 6
2.2 Models covered 6
3
Disassembly / Assembly 8
3.1 Disassembly 8
3.1.1 Remove cushions (Item 3) 8
3.1.2 Remove faceplate assembly (item 4) 8
3.1.3 Remove sleeve (item 8) 8
3.1.4 Remove boom assembly / cover (item 13) 9
3.1.5 Removing the circuit board (item 9 or 10) 9
3.1.6 Removing the housing (item 6 or 7) or temple plate assembly (item 15 or 16) from the
headband assembly (item 1) 9
3.1.7 Removing the glider assemblies (item 2) and glider springs (item 18) 9
3.2 Assembly 10
4
Parts list 13
4.1 General 13
4.2 Airman 850, catalog number 301317-000; -002; -101; -200; -201; -300; and -400 13
5 Wiring diagrams 16
5.1 Airman 850 wiring diagram (catalog numbers 301317-000; -002; -003; -101; and -400) 16
5.2 Airman 850 wiring diagram (catalog numbers 301317-200; -201; and -300) 17
5.3 Connector views / wiring diagrams 18
5.3.1 Connector view for catalog numbers 301317-000; -003; -200; -300; and -400 18
5.3.2 Connector view for catalog numbers 301317-101; and -201 18
5.3.3 Connector view for catalog number 301317-002 18
5.3.4 Connector wiring diagram for catalog numbers 301317-000; -003; -101; -200; -201; -300;
and -400 18
5.3.5 Connector wiring diagram for catalog number 301317-002 (5-pin XLR) 19
6 Maintenance 20
6.1 Microphone validation and adjustment 20
6.1.1 Microphone / amplifier sensitivity check 20
6.1.2 Microphone sensitivity adjustment 21
6.1.3 Troubleshooting mic failure 21
6.2 Operational test of the microphone and headphone 23
6.3 Speaker validation and adjustment 23
6.3.1 Speaker sensitivity and frequency response verification 23
6.4 ANR validation and adjustment 24
6.4.1 Active noise reduction (ANR versions only) 24
6.4.2 Minimum attenuation requirements (linearize between points) 25
6.4.3 ANR test procedure 25
6.5 Cleaning the unit 27
7
Troubleshooting 28
7.1 Troubleshooting chart 28
8 Specifications 29