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PS Engineering PMA7000H System Installation And Operation Manual

Audio selector panel with marker beacon receiver high-fidelity stereo intercom
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9800 Martel Road
Lenoir City, TN 37772
www.ps-engineering.com
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PMA7000H
Document P/N 200-780-0429
Rev. 2 Feb. 2009
Audio Selector Panel with Marker Beacon Receiver
High-fidelity Stereo Intercom
System Installation and Operation Manual
FAA-Approved TSO C50c, C35d
JAA-Approved JTSO C50c, 2C35d
Patented under one or more of the following; No. 5,903,227; 6,160,496 and
6,493,450
In certified aircraft, warranty is not valid unless this product is installed by an
Authorized PS Engineering dealer.
PS Engineering, Inc. 2009©
Copyright Notice
Any reproduction or retransmittal of this publication, or any portion thereof, without the expressed written permission of PS Engi-
neering, Inc. is strictly prohibited. For further information contact the Publications Manager at PS Engineering, Inc., 9800 Ma rtel
Road, Lenoir City, TN 37772. Phone (865) 988-9800, email avionics@ps-engineering.com.

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  • Page 1 Any reproduction or retransmittal of this publication, or any portion thereof, without the expressed written permission of PS Engi- neering, Inc. is strictly prohibited. For further information contact the Publications Manager at PS Engineering, Inc., 9800 Ma rtel Road, Lenoir City, TN 37772. Phone (865) 988-9800, email avionics@ps-engineering.com.

  • Page 2: Table Of Contents

    ..................... 2-7 IDDLE ARKER ENSE ..........................2-7 DJUSTMENTS ..............2-8 OMMUNICATIONS NTENNA NSTALLATION OTES 2.7.1 ......................2-8 WITCHES PMA7000H P ....................2-9 IN ASSIGNMENTS ....................2-10 NSTALLATION HECKOUT 2.10 ........................ 2-10 NSTALLATION 2.10.1 ................... 2-10 EQUIRED QUIPMENT 2.10.2 ..................2-10...
  • Page 3 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator’s Manual SCOPE ............................3-1 (EMG-F ) ................. 3-1 OWER WITCH PERATION (XMT) S )............... 3-1 ICROPHONE ELECTION LL MODELS 3.3.1 ) ......... 3-2 WITCH FROM REMOTELY )....................3-2...

  • Page 4: Section I General Information

    (Nav 1, Nav 2, ADF, DME, MKR and AUX). A duplex COM 3 mode (selectable at installation) allows the PMA7000H to act as an audio interface b e- tween aircraft headphone and microphones and specific aircraft approved (FAA/FCC) cellular telephone equipment.

  • Page 5: Approval Basis

    Intercom squelch is automatic. A 3-light Marker Beacon receiver is integrated in the PMA7000H. This provides the necessary Marker Beacon lights and audio indications necessary for an Instrument Landing System (ILS) approach.

  • Page 6: Equipment Supplied

    Active high (4.5 ± 1.0VDC) MM Sense: EQUIPMENT SUPPLIED 1 ea. of the following units: Model Description Part Number PMA7000H PMA7000H Audio Panel with Marker Beacon and Stereo intercom. 7000 H PMA7000H Installation Kit: 250-007-0002 Description Quantity Part Number PMA7000 installation rack assembly...

  • Page 7: Equipment Required But Not Supplied

    475-630-0002 Parts identification sheet 002-250-7028 EQUIPMENT REQUIRED BUT NOT SUPPLIED Circuit Breaker: 1 ea; 3 amp PULL TYPE REQUIRED for PMA7000H Speaker, 4  Headphone Jacks (Stereo, as Required) Microphone Jacks (as Required) Headphones, 150  (Stereo), up to 9, as required Microphones, up to 9, as required Marker Antenna (75 MHz, VSWR <1:1.5, and appropriate for the airspeed)

  • Page 8: Section Ii - Installation

    Section 1.6 (B). If any claim is to be made, save the shipping mate- rial and contact the freight carrier. Do NOT return units damaged in shipping to PS Engineering. If the unit or accessories show any sign of external shipping damage, contact PS Engineering to arrange for a replacement.

  • Page 9: Audio Panel Mounting Rack Installation

    Audio Panel Tray and Connector Assembly The unit connectors mate directly with the circuit boards in the PMA7000H. The connectors are a Molex crimp-type, and require the use of a Molex hand crimp tool, EDP P/N 11-01-0203, CR6115B (or equiv.).

  • Page 10: Noise

    2.4.2 Power The PMA7000H are compatible with both 14 and 28 Volt DC systems. A two (2) Amp circuit breaker is required for 14 VDC installations, and a three (3) Amp breaker for 28 VDC aircraft. Power and ground wires should be a twisted #18 AWG pair. Connect airframe power ground to J1 (bottom connector) Pin Z only.

  • Page 11: Com 3 Duplex (Tel) Function For Cell Phones

    King Radio KX170, require a resistive load to prevent damage if their speaker amplifier is not used. Con- nect the speaker output from the unit to the load input on the PMA7000H (J1, pins 19 and L, 16 and M.) The speaker load is 16 , 3W.

  • Page 12: Swap" Mode

    2.4.7 Backlighting The PMA7000H has an automatic dimming of the pushbutton annunciator LEDs and marker lamps co n- trolled by a photocell. Control of the unit backlighting is through the aircraft avionics dimmer. Connect the dimmer control line to J1 pin D for 14-volt systems, and to J1 pin F for 28-volt systems. Pin E is light ground.

  • Page 13: 2.4.13 Intercom Wiring

    Passenger 4 mic, on J2, Pin H. See Appendix 2.4.13.2 Push-to-Talk Intercom The PMA7000H contains a push-to-talk intercom that can be used to enable intercom in cases where the ambient noise makes VOX operation impractical.

  • Page 14: Marker Beacon Installation

    All additional entertainment devices must be switched off for both takeoff and landing. 2.4.13.3.2 Entertainment 2 Mute (Pin V) The ICS button on the PMA7000H controls the muting (“Karaoke mode”) of entertainment source #1. Connecting J2 pin V to ground through a SPST switch places the entertainment #2 music source into the Karaoke Mode.

  • Page 15: Communications Antenna Installation Notes

    The copilot hook switch is a SPST switch that connects pin L of J2 on the PMA7000H to ground to place the copilot mic audio on the Com 3 audio in duplex mode for cell phone operation.

  • Page 16: Pma7000H Pin Assignments

    PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator’s Manual PMA7000H Pin assignments Function Function 1 Audio GND MKR Ant lo 2 MM Sense MKR Ant hi 3 Headphones Out White Lamp out 4 Amber Lamp Out...

  • Page 17: Post Installation Checkout

    Unit Installation To install the PMA7000H, gently slide the unit into the mounting rack until the hold -down screw is en- gaged. While applying gentle pressure to the face of the unit, tighten the 3/32" hex -head in the center of the unit until it is secure.

  • Page 18: R Eceiver

    PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator’s Manual 1. Apply power to the aircraft and avionics. 2. Plug headsets into the pilot, copilot, and occupied passenger positions. 3. Verify fail-safe operation by receiving and transmitting on com 1 from the pilot position, with the audio panel power off.

  • Page 19: 2.10.3 Receiver Sensitivity

    Complete logbook entry, and other documentation as required such as FAA Form 337, weight and balance computation. Sample text for FAA Form 337, and instructions for continuing airworthiness can be found in Appendix F. Return completed warranty registration application to PS Engineering, or register online at www.ps- engineering.com/support.shtml . 200-780-0429 Page 2-12 Rev.

  • Page 20: Section Iii Operation

    There are six pushbuttons associated with the communications transceivers. The lower buttons control which transceiver is selected for transmit. The PMA7000H gives priority to the pilot’s PTT. If the copilot it transmitting, and the pilot presses his PTT, the pilot’s microphone will be heard over the selected com transmitter.

  • Page 21: Swap Mode (Switch From Com 1 To Com 2 Remotely)

    3.4.2 Key “Click” The PMA7000H is equipped with a “click” function that provides an aural feedback to the user in add ition to the tactile button push. This sound can be enabled or disabled by simultaneously holding the COM 1 and COM 2 buttons in for at least 5 seconds.

  • Page 22: Split Mode

    Split mode, particularly on adjacent frequencies. PS Engineering makes no warranty about the suitability of Split Mode in all ai r- craft conditions. Note: Split Mode does not turn off other (Nav, ADF, etc.) selected audio to pilot. However, the copilot will only hear the selected communications receiver.

  • Page 23: Intercom Volume Control

    All passenger headsets are connected in parallel. Therefore, if a monaural headset is plugged in to a PMA7000H Stereo installation, one channel will be shorted. Although no damage to the unit will o ccur, all passengers will lose one channel, unless they switch to the “MONO” mode on the headset. PS Engi- neering modifies headsets to add stereo capability, using high-fidelity speakers.
  • Page 24 Alternate Intercom Mode (Serial Number beginning with letter “B” and above) When the PMA7000H is toggled into “Alternate Intercom Mode,” using a switch connected to Bottom Connector Pin 14 is grounded, the passengers will NOT hear aircraft radios, even in the all mode. They will be able to converse with the crew.

  • Page 25: Push-To-Talk Intercom Mode

    In ISO intercom mode, when the PMA7000H is in the Com 3 mode, the pilot position is in the "Phone Booth." Only the pilot will hear the telephone, and only he will be heard. He will also have a ccess to Com 1 or 2, and will transmit on that radio using the PTT.
  • Page 26 PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator’s Manual The Amber lamp, labeled "M," is the Middle Marker lamp and is coupled with a 1300 Hertz tone. It is keyed alternately with short 'dot' and long 'dash' bursts at 95 combinations per m inute.

  • Page 27: Section Iv- Warranty And Service

    PS Engineering, Inc. The risk of loss or damage to the product is borne by the party making the shipment, unless the purchaser requests a specific method of shipment. In this case, the purchaser assumes the risk of loss.

  • Page 28: Appendix A - Pma7000H Installation Drawing

    PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix A – PMA7000H Installation Drawing 1.315 in Cutout size for front mount installation (33.4 mm) 6.31in (160.3 mm) 6.65 in (167 mm) Side View 0.60 in (15.25 mm) 1.31 in...

  • Page 29: Appendix B Bottom Connector Interconnect

    PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix B Bottom Connector Interconnect Bottom Connector, J1 Com 1 Audio Hi Com 1 Lo Notes: Com 1 Mic Audio Hi 1. Pins 7, N, 21, are not used.

  • Page 30: Appendix C Top Connector Interconnect

    PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix C Top Connector Interconnect PMA7000H J2 TOP CONNECTOR Pilot Phones (L) -see bottom connector. Copilot Phones (L) Copilot Phones (R) Copilot Phones Lo Pass. Phones (L) Pass.

  • Page 31: Appendix D- Instructions For Faa Form 337 And Continuing Airworthiness

    One method of airworthiness approval is through an FAA Form 337, Major Repair and Alteration (Airframe, Power- plant, Propeller, or Appliance) In the case of the PMA7000H, you may use the following text as a guide. Installed audio selector and 6-place intercom, PS Engineering PMA7000H, part number 7000 (X) in ( loca- tion ) at station .

  • Page 32: Appendix E Rtca Do160C (Eurocae Ed-14) Environmental Qualification Form

    PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix E RTCA DO160C (EUROCAE ED-14) Environmental Qualification Form Audio Selector Panel/Intercom/Marker Beacon Receiver Part Number: 7000( ) FAA TSO Number: C50c, C35d Class A, JTSO 2C35d and JTSO C50c...

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