PS Engineering PA50 Installation And Operation Manual

4-channel audio summing amplifier

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9800 Martel Road
Lenoir City, TN 37772
www.ps-engineering.com
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4-Channel Audio Summing Amplifier

Installation and Operation Manual

Document P/N 200-150-0100
October 2006
In certified aircraft, warranty is not valid unless this product is installed by
an Authorized PS Engineering dealer.
PS Engineering, Inc. 2006 ©
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 Martel
Road, Lenoir City, TN 37772. Phone (865) 988-9800.

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Summary of Contents for PS Engineering PA50

  • Page 1: Installation And Operation Manual

    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 Martel Road, Lenoir City, TN 37772. Phone (865) 988-9800.
  • Page 2: Table Of Contents

    Table of Contents SECTION I - GENERAL INFORMATION..............1-1 INTRODUCTION......................1-1 SCOPE ..........................1-1 EQUIPMENT DESCRIPTION ..................1-1 APPROVAL BASIS -...................... 1-1 SPECIFICATIONS......................1-2 EQUIPMENT SUPPLIED ..................... 1-2 EQUIPMENT REQUIRED BUT NOT SUPPLIED ............ 1-3 LICENSE REQUIREMENTS ..................1-3 SECTION II - INSTALLATION..................2-1 GENERAL INFORMATION ..................
  • Page 3: Section I - General Information

    Section I - GENERAL INFORMATION INTRODUCTION The PA50 is an accessory device designed to accept four audio inputs and present a single summed output. This accommodates the proliferation of unswitched priority audio signals in aviation, and the limited avail- ability of unswitched audio inputs to the aircraft system.
  • Page 4: Specifications

    PS Engineering PA50 Four-channel Audio Summing Amplifier Installation and Operator’s Manual SPECIFICATIONS Specifications ENVIRONMENTAL CONDITIONS: Temperature Range: Operating: -15º C to 55º C Storage: -40º C to 85º C Altitude: Up to 50,000 feet in an unpressurized area of the aircraft.
  • Page 5: Equipment Required But Not Supplied

    PS Engineering PA50 Four-channel Audio Summing Amplifier Installation and Operator’s Manual PA50 Installation Kit: Part Number Description Quantity 425-025-0006 DB25 Female 200-150-0100 Operator's and Installation Manual EQUIPMENT REQUIRED BUT NOT SUPPLIED Circuit Breaker: 1 ea. 1 amp. Input signal source, (in ex TAWS alert signal)
  • Page 6: Section Ii - Installation

    Section 1.6. If any claim is to be made, save the shipping material and contact the freight carrier. Do NOT return units damaged in shipping to PS Engineering. If the unit or ac- cessories shows any sign of external shipping damage, contact PS Engineering to arrange for a replace- ment.
  • Page 7: Connector Assembly

    Connector Assembly The rear of the PA50 contains a male DB25 connector. In the parts kit is a female shell with qty. 12 crimp type pins. The appropriate crimper is Paladin PA1440. Ensure that proper strain relief and chafing precau- tions are made during wiring and installation.
  • Page 8: Post Installation Checkout

    2.6.1 Operational Checkout Apply power to the aircraft and avionics. Verify that the audio signal connected to the PA50 are provided to the aircraft’s audio system. Verify that the unit is fully functional and in condition for safe operation. Final Inspection Verify that the wiring is bundled away from all controls and no part of the installation interferes with air- craft control operation.
  • Page 9: Section Iii Operation

    PS Engineering PA50 Four-channel Audio Summing Amplifier Installation and Operator’s Manual Section III OPERATION GENERAL INFORMATION There are no external operational controls on the PA50, only one internal volume control that affects all four audio inputs. 200-150-0100 Page 3-1 October 2006...
  • Page 10: 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 11: Appendix B - Installation Drawing

    PS Engineering PA50 Four-channel Audio Summing Amplifier Installation and Operator’s Manual Appendix B – Installation Drawing 5.480 Ø0.136 4.000 3.500 VOL ADJ 4.725 Not to scale Appendix C Connector Interconnect 12 11 9 8 7 6 5 4 3 2 1...
  • Page 12: Date

    PS Engineering PA50 Four-channel Audio Summing Amplifier Installation and Operator’s Manual PA50 Sub-D DB-25 Male Power In 11-33 VDC Ground Audio Panel Audio Output Hi Unsw. Input Aux 1 Aux 1 Input Hi Audio Output Aux 2 Aux 2 Input Hi...

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