Filser Electronic ATR500 maintenance manual
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Filser Electronic ATR500 maintenance manual
VHF Communication Transceiver
List of Revisions ......................................................................................................... 2
List of Service-Bulletins (SB) ...................................................................................... 2
1 GENERAL ........................................................................................................... 4
1.1 Introduction .................................................................................................. 4
1.2 Purpose of Equipment.................................................................................. 4
1.3 Design Features........................................................................................... 4
1.3.1 Survey of Variants................................................................................. 4
1.3.2 Controls and Display ............................................................................. 4
1.3.3 Electronics............................................................................................. 4
1.3.4 Mechanical Design................................................................................ 5
1.4 ATR500 System - Overview Diagram........................................................... 5
1.4.1 ATR500 Display and Controls............................................................... 6
1.5 Weight and Overall Dimensions ................................................................... 6
1.6 Description of Equipment ............................................................................. 7
1.7 Technical Characteristics ............................................................................. 7
1.8 Instructions for Continued Airworthiness ...................................................... 9
2 SECTION II THEORY OF OPERATION................................................... 10
2.1 Introduction ................................................................................................ 10
2.2 Theory of Operation ................................................................................... 10
2.2.1 Receiver .............................................................................................. 10
2.2.2 Frequency Synthesizer ....................................................................... 11
2.2.3 Modulator ............................................................................................ 11
2.2.4 Transmitter .......................................................................................... 12
2.2.5 Microprocessor.................................................................................... 12
2.2.6 Software.............................................................................................. 12
3 SECTION III MAINTENANCE ................................................................ 14
3.1 Maintenance Policy .................................................................................... 14
3.2 Standard Test Signal.................................................................................. 14
3.3 Test Setup.................................................................................................. 15
3.4 Test Equipment .......................................................................................... 16
3.5 Final Test Procedure.................................................................................. 16
3.5.1 General ............................................................................................... 16
3.5.2 Test conditions.................................................................................... 16
3.5.3 EUT Identity ........................................................................................ 17
3.5.4 Initial Settings...................................................................................... 17
3.5.5 Control Functions................................................................................ 17
3.5.6 Receiver .............................................................................................. 17
3.5.7 Transmitter .......................................................................................... 20
3.5.8 Reset to Initial Settings ....................................................................... 21
ATR500 VHF COMMUNICATION TRANSCEIVER FINAL TEST REPORT............ 22
Reshipment Form..................................................................................................... 24
24 pages
VHF Communication Transceiver
List of Revisions ......................................................................................................... 2
List of Service-Bulletins (SB) ...................................................................................... 2
1 GENERAL ........................................................................................................... 4
1.1 Introduction .................................................................................................. 4
1.2 Purpose of Equipment.................................................................................. 4
1.3 Design Features........................................................................................... 4
1.3.1 Survey of Variants................................................................................. 4
1.3.2 Controls and Display ............................................................................. 4
1.3.3 Electronics............................................................................................. 4
1.3.4 Mechanical Design................................................................................ 5
1.4 ATR500 System - Overview Diagram........................................................... 5
1.4.1 ATR500 Display and Controls............................................................... 6
1.5 Weight and Overall Dimensions ................................................................... 6
1.6 Description of Equipment ............................................................................. 7
1.7 Technical Characteristics ............................................................................. 7
1.8 Instructions for Continued Airworthiness ...................................................... 9
2 SECTION II THEORY OF OPERATION................................................... 10
2.1 Introduction ................................................................................................ 10
2.2 Theory of Operation ................................................................................... 10
2.2.1 Receiver .............................................................................................. 10
2.2.2 Frequency Synthesizer ....................................................................... 11
2.2.3 Modulator ............................................................................................ 11
2.2.4 Transmitter .......................................................................................... 12
2.2.5 Microprocessor.................................................................................... 12
2.2.6 Software.............................................................................................. 12
3 SECTION III MAINTENANCE ................................................................ 14
3.1 Maintenance Policy .................................................................................... 14
3.2 Standard Test Signal.................................................................................. 14
3.3 Test Setup.................................................................................................. 15
3.4 Test Equipment .......................................................................................... 16
3.5 Final Test Procedure.................................................................................. 16
3.5.1 General ............................................................................................... 16
3.5.2 Test conditions.................................................................................... 16
3.5.3 EUT Identity ........................................................................................ 17
3.5.4 Initial Settings...................................................................................... 17
3.5.5 Control Functions................................................................................ 17
3.5.6 Receiver .............................................................................................. 17
3.5.7 Transmitter .......................................................................................... 20
3.5.8 Reset to Initial Settings ....................................................................... 21
ATR500 VHF COMMUNICATION TRANSCEIVER FINAL TEST REPORT............ 22
Reshipment Form..................................................................................................... 24
24 pages
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ATR500 Maintenance Manual 1 GENERAL 1.1 Introduction This manual contains information relative to the maintenance of the VHF Communications Transceiver ATR500 manufactured by Filser Electronic GmbH . For information relative to the installation and operation of the VHF Communications Transceiver ATR500 please refer to ATR500 Installation and Operation Manual. (Document Number 01.125.010.71) 1.2 Purpose of Equipment The Filser ATR500 is a VHF communication transceiver covering the aeronautical radio frequency range from 118.000 MHz to 136.975 MHz with 720 channels at a channel spacing of 25 kHz. The VHF Communication Transceiver ATR500 is designed to meet all operational requirements encountered in VFR and IFR flying. The ATR500 additionally provides a VOX activated intercom. 1.3 Design Features 1.3.1 Survey of Variants Description External ON/OFF switch for display illumination manually adjustable display illumination Part Number P/N 500-(0XX)-(0XX) P/N 500-(1XX)-(1XX) 1.3.2 · · · · · · · 1.3.3 · · · · Controls and Display On Off Switch Volume Control The display can show active frequency and a stand- by frequency.. The unit is able to store 9 frequencies The operating frequency can be set into the active area or stored in memory. The unit has an intercom (IC) operation facility that has VOX capability. VOX is a voice level threshold-controlled switch used to activate intercommunication automatically when a crewmember starts to speak. Two Microphones and two Headphones and an additional speaker can be connected to the unit. Electronics Solid-state transmitter provides 4 watts minimum output power. The digital frequency synthesizer utilizes state-of-the-art integrated circuits. Crystal filter selectivity. Carrier controlled squelch. Dokument-Nr.: 01.125.010.13e / Revision: 3.01 Page 4 of 24 ATR500 Maintenance Manual 1.3.4 Mechanical Design · Modular design for easy maintenance. · Panel mounted. 1.4 ATR500 System - Overview Diagram VHF Antenna DC Power input Headset A Headset B Mic A Mic B Intercom Switch External Speaker ATR 500 VHF Transceiver Dokument-Nr.: 01.125.010.13e / Revision: 3.01 Page 5 of 24 ATR500 Maintenance Manual 1.4.1 ATR500 Display and Controls 1: MEM/SET select frequency from memory position (M1 .. M9) direct frequency input (SET) change values select VOL, SQ, VOX, DIM, CON save frequency on/off (press for 0,5 resp. 3 s) select MHz/kHz setting start INIT mode 2: rotary knob 3: VOL/SQ 4: STORE 5: ON/OFF 6: 7: swap active/stand-by (UP/DOWN) frequency 1.5 Weight and Overall Dimensions WEIGHT DIMENSIONS 1,55 lbs (0,7 Kg), Height: = 2.4 in (6, 1 cm) Width: = 2.4 in (6, 1 cm) Depth: = 7.4 in (19 cm) (behind aircraft panel) Dokument-Nr.: 01.125.010.13e / Revision: 3.01 Page 6 of 24 |
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