PS Engineering PMA4000 TSO Installation And Operation Manual
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PS Engineering PMA4000 TSO Installation And Operation Manual

Audio selector panel intellivox intercom system
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Sound Quality. Sound Engineering.
9800 Martel Road
Lenoir City, TN 37772
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Audio Selector Panel
IntelliVox™ Intercom System
Installation and Operation Manual
FAA TSO C50c
US Pat. No. 5, 903, 227 6,493,450
Also includes Non-TSO version, P/N 11941
Document P/N 200-041-0002
Revision 5, March 2007
PS Engineering, Inc. ©2007
Copyright Notice
Note: Warranty is not valid unless this product is installed by an Authorized PS Engineering or
if a PS Engineering harness is purchased.
PS Engineering, Inc., 9800 Martel Road, Lenoir City, TN 37772. Phone (865) 988-9800.

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Summary of Contents for PS Engineering PMA4000 TSO

  • Page 1 PS Engineering, Inc. ©2007 Copyright Notice Note: Warranty is not valid unless this product is installed by an Authorized PS Engineering or if a PS Engineering harness is purchased. PS Engineering, Inc., 9800 Martel Road, Lenoir City, TN 37772. Phone (865) 988-9800.

  • Page 2: Table Of Contents

    PS Engineering PMA4000 Series Audio Selector Panel and Intercom System Installation Manual Table of Contents Section I GENERAL INFORMATION..............1-1 INTRODUCTION ................... 1-1 SCOPE ......................1-1 EQUIPMENT DESCRIPTION ............... 1-1 APPROVAL BASIS – FAA- TSO C50c..............1-2 SPECIFICATIONS..................1-2 EQUIPMENT SUPPLIED................1-2 Optional remote volume control (P/N 250-004-0020) ........
  • Page 3 PS Engineering PMA4000 Series Audio Selector Panel and Intercom System Installation Manual 3.3.5 Internal Recorder System (Part number 11941, only) ......... 3-4 Section IV- Warranty and Service ................4-1 Warranty ......................4-1 Factory Service ....................4-1 Appendix A External PTT Hook Up................A Appendix B- Installation Drawing and Connector Layout........B...

  • Page 4: Section I General Information

    GENERAL INFORMATION INTRODUCTION The PMA4000 TSO Audio Selector Panel is a right-sized solution for the audio switch- ing needs of light aircraft. By combining basic audio selector panel, with PS Engineer- ing’s revolutionary IntelliVox® intercom, the aircraft owner can have audio panel func- tionality without an investment in panel space.

  • Page 5: Approval Basis - Faa- Tso C50C

    PS Engineering PMA4000 Series Audio Selector Panel and Intercom System Installation Manual APPROVAL BASIS – FAA- TSO C50c The PMA4000 p/n 11942, Audio Selector Panels are FAA approved under TSO C50c (Audio Amplifiers). All systems comply with relevant portions of EUROCAE ED-14C/DO-160D (Environmental Condi-...

  • Page 6: Optional Remote Volume Control (P/N 250-004-0020)

    PS Engineering PMA4000 Series Audio Selector Panel and Intercom System Installation Manual Unit Part Number PMA4000 TSO 11942 PMA4000 w/IRS 11941 PMA4000 Installation Kit: 250-0041-0001 Part Number Description Quan 575-004-0005 Faceplate (Square) 475-632-0006 Mounting Screws6-32X3/8”Phil-Pan Black 625-002-0001 Knob, outer 625-002-0004...

  • Page 7: Section Ii -Installation

    PS Engineering to arrange for a replacement. Under no circumstances attempt to install a damaged unit in an aircraft. Equipment re- turned to PS Engineering for any other reason should be shipped in the original PS Engi- neering packaging, or other UPS approved packaging.

  • Page 8: Connector Assembly

    Refer to FAA Advisory Circular 43.13-2A for more information. Failure to use correct techniques may result in improper operation, electrical noise or unit failure. Damage caused by improper installation will void the PS Engineering warranty. 2.4.1 Noise Due to the variety and the high power of radio equipment often found in today's general aviation aircraft, there is a potential for both radiated and conducted noise interference.

  • Page 9: Entertainment Input

    PS Engineering PMA4000 Series Audio Selector Panel and Intercom System Installation Manual 2.4.2 Entertainment Input A single entertainment device (CD player, cassette player, etc.) can be connected to the unit. Install a 1/8-inch stereo jack in a convenient location so that the pilot can plug in the entertainment device into the system.

  • Page 10: Power And 28 Vdc Dropping Resistor

    PS Engineering PMA4000 Series Audio Selector Panel and Intercom System Installation Manual CASE II: PTT is in pilot yoke only. This configuration requires a modified external PTT switch plugged into the copilot's microphone jack. (See Appendix A). When the copilot's PTT is pressed, the intercom switches the mic audio from pilot to copilot mic.

  • Page 11: Adjustments

    After wiring is complete, verify aircraft power is ONLY on pin 13 of the bottom connec- tor, and airframe ground on bottom connector pin 25. Failure to do so will cause serious internal damage and void PS Engineering's warranty. To avoid stray voltages, the other avionics should be turned off.

  • Page 12: Operational Checkout

    Complete log book entry, FAA Form 337, weight and balance computation and other documentation as required. Return completed warranty registration application to PS Engineering. Rev 5, March 2007 200-041-0002...

  • Page 13: Section Iii Operation

    Section III OPERATION GENERAL INFORMATION SCOPE This section provides detailed operating instructions for the PS Engineering PMA4000 TSO Audio Selector Panel/Intercom Systems. Please read it carefully before using the equipment so that you can take full advantage of its capabilities.

  • Page 14: Speaker Amplifier

    3.3.2 VOX-Squelch Control The PMA4000 incorporates PS Engineering’s revolutionary IntelliVox™. No adjustment of the squelch control is required. Through two individual signal processors, the ambient Rev 5, March 2007...

  • Page 15: Intercom Modes

    Moving your head through a vent air stream may cause the IntelliVox™ to open momentarily. This is normal. For optimum microphone performance, PS Engineering, Inc. recommends installation of a Microphone Muff Kit from Oregon Aero (1-800-888-6910). This will not only optimize VOX performance, but will improve the overall clarity of all your communications.

  • Page 16: Push To Talk Intercom Mode

    PS Engineering PMA4000 Series Audio Selector Panel and IntelliVox™ Intercom System Installation Manual Table 3-1 Intercom Modes Mode Pilot Hears Copilot Hears Passenger Hears Comments Isolate A/C Radio Copilot and passenger Passenger and Copilot This mode allows the Pilot Sidetone...

  • Page 17: Section Iv- Warranty And Service

    PS Engineering, Inc. warrants this product to be free from defect in material and work- manship for a period of one (1) year from the date of purchase. PS Engineering, Inc., at its option, will send a replacement unit at our expense if the unit should be determined to be defective after consultation with a factory technician.

  • Page 18: Appendix A External Ptt Hook Up

    PTT switch is depressed. A simple modification can be performed to allow proper intercom operation. NOTE: This mod does not alter normal operation. Below are some examples of typical modifications. Contact PS Engineering or the PTT manufacturer for more details if necessary.

  • Page 19: Appendix B- Installation Drawing And Connector Layout

    PS Engineering PMA4000 Series Audio Selector Panel and IntelliVox™ Intercom System Installation Manual Appendix B- Installation Drawing and Connector Layout 0.950 0.130 0.900 0.160 DIAMETERS: 0.400 A - 3/16" B - 1/4" C - 3/8" 0.420 0.910 0.500 0.810 0.250 0.270...

  • Page 20: Figure 6-3 Connector Layout

    PS Engineering PMA4000 Series Audio Selector Panel and IntelliVox™ Intercom System Installation Manual Top Connector Bottom Connector Figure 6-3 Connector Layout 2.435 in 8.015 in 6.1 in Instrument Panel Shim (.050" Shown) Unit Face Plate #6 x 32 (2ea) 1.75 in 1.54 in...

  • Page 21: Appendix C Unit Connector Wiring

    PS Engineering PMA4000 Series Audio Selector Panel and IntelliVox™ Intercom System Installation Manual Appendix C Unit Connector Wiring P1 Bottom Unit Connector Sub-D DB-25 Male on unit Note 10 Mating connector DB-25 Female 15 ohm, 15 Watt Power In 12 or 24 VDC...

  • Page 22: Appendix D -Instructions For Faa Form 337 And Continuing Airworthiness

    Aircraft equipment list, weight and balance amended. Compass compensation checked. A copy of the operation instructions, contained in PS Engineering docu- ment 200-041-_______, revision _, ______ is placed in the aircraft records. All work accomplished listed on Work Order...
  • Page 23 Appendix E RTCA DO160D (EUROCAE ED-14) Enviro nmental Qualification Form Nomenclature: Audio Selector Panel/Intercom Part Number:11942 FAA TSO Number: C50c Manufacturer: PS Engineering Incorporated 9800 Martel Road Lenoir City TN 37772 Conditions Section Conducted Tests Temperature and Altitude Equipment tested to CAT B1 Low Temperature 4.5.1...

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