PS Engineering PMA4000 TSO - Table of Contents

PS Engineering
PMA4000 Series Audio Selector Panel and Intercom System
Installation Manual
200-041-0002 Page ii Rev 5, March 2007
Table of Contents
Section I GENERAL INFORMATION...................................................................... 1-1
1.1 INTRODUCTION ........................................................................................... 1-1
1.2 SCOPE ............................................................................................................. 1-1
1.3 EQUIPMENT DESCRIPTION ....................................................................... 1-1
APPROVAL BASIS – FAA- TSO C50c..................................................................... 1-2
1.4 SPECIFICATIONS.......................................................................................... 1-2
1.5 EQUIPMENT SUPPLIED............................................................................... 1-2
1.6 Optional remote volume control (P/N 250-004-0020) .................................... 1-3
1.7 Optional 2 ¼”mounting plate kit (250-004-0005)........................................... 1-3
1.8 EQUIPMENT REQUIRED BUT NOT SUPPLIED ....................................... 1-3
1.9 LICENSE REQUIREMENTS ......................................................................... 1-3
Section II -Installation ................................................................................................ 2-1
2.1 GENERAL INFORMATION.......................................................................... 2-1
2.1.1 SCOPE ......................................................................................................... 2-1
2.2 Unpacking and Preliminary Inspection............................................................ 2-1
2.3 Equipment Installation Procedures .................................................................. 2-1
2.3.1 Cooling Requirements ................................................................................. 2-1
2.3.2 Mounting Requirements .............................................................................. 2-1
2.3.3 Mounting Hole configuration ...................................................................... 2-1
2.3.4 Connector Assembly.................................................................................... 2-2
2.4 Cable Harness Wiring...................................................................................... 2-2
2.4.1 Noise ............................................................................................................ 2-2
2.4.2 Entertainment Input ..................................................................................... 2-3
2.4.3 Radio Push-to-Talk ...................................................................................... 2-3
2.4.4 Power and 28 VDC Dropping Resistor........................................................ 2-4
2.4.5 Backlighting................................................................................................. 2-4
2.4.6 Intercom ....................................................................................................... 2-4
2.4.7 Digital recorder (11941 only) ...................................................................... 2-4
2.5 Adjustments ..................................................................................................... 2-5
2.6 Panel Installation.............................................................................................. 2-5
2.7 Post Installation Checkout ............................................................................... 2-5
2.7.1 Operational Checkout .................................................................................. 2-6
2.8 Final Inspection................................................................................................ 2-6
Section III OPERATION ......................................................................................... 3-1
3.1 SCOPE ............................................................................................................. 3-1
3.2 Audio Selector ................................................................................................. 3-1
3.2.1 Intercom Mode Selector Switch .................................................................. 3-1
3.2.2 Speaker Amplifier........................................................................................ 3-2
3.3 Mic Selector Switch......................................................................................... 3-2
3.3.1 Volume Control ........................................................................................... 3-2
3.3.2 VOX-Squelch Control ................................................................................. 3-2
3.3.3 Intercom Modes ........................................................................................... 3-3
3.3.4 Push to talk intercom mode.......................................................................... 3-4