PS Engineering PMA8000 Installation And Operaion Manual Download

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PS Engineering

PMA8000 Audio Selector Panel and Intercom System

Installation and Operator’s Manual

200-890-0000

Appendix G

Revision 9, June 2005

Appendix F RTCA

DO160D Environmental Qualification Form

Audio Selector Panel/Intercom/Marker Beacon Receiver

Part Number: 050-890-( )

FAA TSO Number: C50c, C35d

Manufacturer: PS Engineering Incorporated 9800 Martel Road

Lenoir City TN 37772

Conditions Section

Conducted

Tests

Temperature and Altitude
Low Temperature
High Temperature
In-flight Loss of Cooling
Altitude
Decompression
Overpressure

4.0
4.5.1
4.5.2
4.5.4
4.6.1
4.6.2
4.6.3

Equipment tested to CAT A1 & D1
-55° C Survival, -15°C Low Operating (A1)
+85°C Survival, +70°C High Short Time Operating
Not Applicable, no cooling required
50,000’ unpressurized (D1)
Not Applicable
Not Applicable

Temperature variation

5.2

Equipment tested to Category C

Humidity

6.0

Equipment tested to Category A

Shock

7.0

Equipment tested to Operational test only

Operational

7.2

Equipment tested to Operational test only

Crash Safety

7.3

Equipment tested to Operational test only

Vibration

8.0

Equipment tested to Category M & N

Explosion

9.0

Category X, not tested

Waterproofness

10.0

Category X, not tested

Fluids Susceptibility

11.0

Category X, not tested

Sand and Dust

12.0

Category X, not tested

Fungus

13.0

Category X, not tested

Salt Spray

14.0

Category X, not tested

Magnetic Effect

15.0

Equipment tested to Category Z

Power input

16.0

Equipment tested to Category B

Voltage Spike

17.0

Equipment tested to Category A

Audio Frequency Susceptibility

18.0

Equipment tested to Category B

Induced Frequency Susceptibility

19.0

Equipment tested to Category A

Radio Frequency Susceptibility

20.0

Equipment tested to Category T

Radio Frequency Emission

21.0

Equipment tested to Category B

Lightning Induced Transient Sus-
ceptibility

22.0

Equipment tested to Category XXE2

Lightning Direct Effects

23.0

Category X, not tested

Icing

24.0

Category X, not tested

ESD

25.0

Category X, not tested

Summary of Contents for PMA8000

Page 1: ...o 5 903 277 6 160 496 and 6 493 450 PS Engineering Inc 2005 Copyright Notice Any reproduction or retransmittal of this publication or any portion thereof without the expressed written permission of PS Engineering 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 email contact ps enginee...

Page 2: ...4 3 POWER 2 3 2 4 4 COMMUNICATIONS PUSH TO TALK 2 3 2 4 5 AUDIO PANEL INTERFACE 2 3 2 4 6 TEL DUPLEX FUNCTION FOR CELL PHONES 2 3 2 4 7 TRANSMIT INTERLOCK 2 4 2 4 8 PATENTED SWAP MODE 2 4 2 4 9 BACKLIGHTING 2 4 2 4 10 UNSWITCHED INPUTS 2 4 2 4 11 PUBLIC ADDRESS MODE 2 5 2 4 12 PA MUTE J2 PIN 12 2 5 2 4 13 MISCELLANEOUS LOGIC OUTPUT J2 PIN 18 2 5 2 4 14 INTERCOM WIRING 2 5 2 4 15 PLAYBACK BUTTON IN...

Page 3: ...RRANTY 4 1 4 2 FACTORY SERVICE 4 1 Appendix A External PTT Hook Up A Appendix B PMA 8000 Installation Drawings B Appendix C J1 Interconnect C Appendix D J2 Connector Interconnect D Appendix E Instructions for FAA Form 337 and continuing airworthiness E 9 1 INSTRUCTIONS FOR FAA FORM 337 AUDIO PANELS E 9 2 INSTRUCTIONS FOR CONTINUING AIRWORTHINESS AUDIO SYSTEM E Appendix F RTCA DO160D Environmental ...

Page 4: ...phone and microphones and specific aircraft approved FAA FCC cellular telephone equipment Warning Useofnon aviationapprovedcellulartelephoneequipmentmaybeprohibitedbyregulation PS Engineering is not responsible for unauthorized airborne use of cellular telephones For airborne use the PMA8000 must be interfaced with an approved system There are four unswitched inputs available for traffic or EGPWS ...

Page 5: ...al Conditions and Test Procedures for Airborne Equipment ED12B DO 178B Level D Software Considerations for Airborne Equipment and ED 18 DO 214 Audio Systems Characteristics and Minimum Operational Performance Standards for Aircraft Audio Systems Operation is subject to the following conditions This device may not cause harmful interference This device must accept any interference received includin...

Page 6: ...ut 38 mW each headset no clipping 1 THD typi cal Microphone Impedance 150 600 Ω Intercom Specifications Intercom Positions 6 places with individual IntelliVox circuits Music Inputs 2 Independent Stereo Music Muting 30 dB Soft Mute when Com or intercom active Distortion 1 THD 38 mW into 150Ω Mic Freq Response 3 dB 300 Hz 6000 Hz Music Freq Response 3 dB 10 Hz 26 kHz MARKER BEACON RECEIVER Frequency...

Page 7: ...ate 1 430 890 0050 44 pin connector kit 2 120 891 2045 Backshell connector 2 625 025 2465 4 40 X 7 16 screw w nylon patch 4 475 440 0007 4 40 X 1 4 screw w lock washer 4 475 440 0004 4 40 Lock Nut 5 475 013 0001 Solder Lug 1 475 009 0001 Cable Clamp 1 625 001 0002 6 32 x Flat head Philips screw 6 475 632 0012 6 32 Clip Nut 6 475 630 0002 1 7 EQUIPMENT REQUIRED BUT NOT SUPPLIED a Circuit Breaker 1 ...

Page 8: ...ade 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 show any sign of external shipping damage contact PS Engineering to arrange for a replacement Under no circumstances attempt to install a damaged unit in an aircraft Equipment returned to PS Engi neering for any other reason should be shipped in the o...

Page 9: ...ay s general aviation aircraft there is a potential for both radiated and conducted noise interference The PMA8000 power supply is specifically designed to reduce conducted electrical noise on the aircraft power bus by at least 50dB Although this is a large amount of attenuation it may not eliminate all noise particularly if the amplitude of noise is very high There must be at least 13 8 VDC prese...

Page 10: ... 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 microphone audio from pilot to copilot mic CASE III No built in PTT This requires two built in PTTs to be installed or modified external PTT switches to be used Modify external PTT as required See Appendix A 2 4 5 Audio Panel interface The P...

Page 11: ...of TX indication from Com 1 to Com 2 shows that the swap has been initiated there is no dedicated swap indicator 2 4 9 Backlighting The PMA8000 has an automatic dimming of the pushbutton annunciation LEDs and marker lamps con trolled by a photocell Control of the unit backlighting is through the aircraft avionics dimmer For 14 V aircraft connect J2 Pins 6 and 7 to the aircraft dimmer bus and pin 5...

Page 12: ... pin can also be used to control passenger Karaoke Mode by connecting to pin 13 of the J2 or as a PA cockpit cabin speaker relay control NOTE J2 Pin 18 should NOT be used if the AUX is going to be used to switch DME or auxiliary audio 2 4 14 Intercom wiring See Appendix C and D for intercom connection configurations It is critical to the proper operation of this system to have this connector wirin...

Page 13: ...onversation Any signal appearing in the unswitched audio inputs will always mute the entertainment sources even though the passengers may not hear the audio tone itself Press the Mute switch to activate the Karaoke mode disabling crew SoftMute This allows the pilot to place the entertainment into the background while having the radios in the foreground This eliminates the constant interruption of ...

Page 14: ...to pin 22 of J2 of the PMA8000 and ground 2 5 Marker Beacon Installation 2 5 1 Marker Antenna Installation A marker beacon antenna appropriate to the type and speed of the aircraft is required not included Re fer to aircraft and antenna manufacturer s installation instructions as well as AC43 13 2A or later revi sion Chapter 3 for information on proper antenna installation techniques The marker be...

Page 15: ...cations antenna is installed on the bottom Any antenna relocation must be accomplished in accordance with AC 43 13 2A aircraft manufacturers recommenda tions and FAA approved technical data Warning It is probable that radio interference will occur in the split mode when the frequencies of the two air craft radios are adjacent and or the antennas are physically close together PS Engineering makes n...

Page 16: ...udio 17 No connect 18 Nav 1 Audio Lo 18 Misc AUX logic output 19 Nav 2 Audio 19 PA Enable 20 Nav 2 Audio Lo 20 Swap 21 DME Audio 21 Swap Lo 22 DME Audio Lo 22 IRS Playback 23 Auxiliary Audio Input 23 Music 1 L 24 CNX80 Inhibit 24 Music 1 R 25 No connect 25 Music 1 Lo 26 No connect 26 Music 2 L 27 Com 2 Speaker Load 27 Music 2 R 28 Com 2 Speaker Load 28 Music 2 Lo 29 Unswitched Audio 3 29 Remote En...

Page 17: ...est NOTE The IntelliVox is designed for ambient noise levels of 80 dB or above Therefore some clipping may occur in a quiet cabin such as without the engine running in a hangar This is normal 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 w...

Page 18: ...e system if in stalled Verify that by using the pilot side PTT the pilot can transmit on the other selected radio Com 1 or Com 2 When a wireless telecommunication system is installed a dial tone will appear in the headset of the pilot when the TEL selector is activated The telephone function will place any person heard by the pilot on the intercom also heard on the telephone 2 11 5 Internal Record...

Page 19: ...nsceivers The lower buttons item 2 control which transceiver is selected for transmit the top row of COM 1 and COM 2 allows selection of the receive audio The PMA8000 gives priority to the pilot s PTT If the copilot is transmitting and the pilot presses his PTT the pilot s microphone will be transferred to the selected com transmitter The PMA8000 Series has an automatic selector mode Audio from th...

Page 20: ...ugh seven momentary push button backlit switches You will always hear the audio from the transceiver that is selected for transmit The users can identify which receivers are selected by noting which of the green switch LEDs are lit Push buttons labeled Nav 1 Nav 2 MKR Marker ADF and AUX auxiliary places those receivers into the audio stream DME audio if present will come through when the AUX butto...

Page 21: ...er on the intercom simultaneously using their respective radios Depressing the Mute button 6 in Split Mode will activate VOX intercom between the pilot and copilot positions This permits intercommunication when desired between the crew Pressing the Mute button again disables this crew intercom function 3 6 Intercom Operation 3 6 1 IntelliVox VOX Squelch No adjustment of the IntelliVox squelch cont...

Page 22: ...set PS Engineering modifies headsets to add stereo capability using high fidelity speakers Contact factory for details 3 6 3 Intercom Modes 8 The ICS pushbutton switch on the left side of the panel provides the selection of the three intercom modes The description of the intercom mode function is valid only when the unit is not in the Split mode Then the pilot and copilot intercom is controlled wi...

Page 23: ...adually returns to normal The Mute pushbutton switch 6 controls muting of entertainment source 1 for pilot and copilot Pushing this button places music input 1 into Karaoke or sing along mode This allows the music to con tinue uninterrupted by intercom or radio traffic when cockpit workload is appropriate Pushing the button again will release the mute inhibit function The passenger music source 2 ...

Page 24: ...amp and tone will be keyed at a rate of six times per second The audio from the Marker Beacon Receiver can be heard by selecting the MKR push button switch To adjust the volume level there is a service adjustment located on the top of the unit A pushbutton is used to set the receiver sensitivity and to test the indicator lamps Use HI sensitivity ini tially This allows you to hear the outer marker ...

Page 25: ...PS Engineering PMA8000 Audio Selector Panel and Intercom System Installation and Operator s Manual 200 890 0000 Page 3 7 Revision 9 June 2005 ...

Page 26: ... purchaser assumes the risk of loss This warranty is not transferable Any implied warranties expire at the expiration date of this warranty PS Engineering SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES This warranty does not cover a defect that has resulted from improper handling storage or preservation or un reasonable use or maintenance as determined by us This warranty is void if t...

Page 27: ...witches will be required for both the pilot and copilot Modifications to the PTT are required See details below Push To Talk Modifications When received from the manufacturer an after market PTT switch opens the mic audio path to the ring connection of the PTT mic plug until the button is pressed When the PTT is between the intercom and the headset the intercom function will not work unless the PT...

Page 28: ...4 pin connector 2 ea Rack back plate 430 890 0050 475 440 0004 4 ea 475 440 0007 4 ea Rack 430 890 0040 J2 J1 Viewed from Back 15 30 44 1 16 31 15 30 44 1 16 31 Solder Lug mount as convenient Rear plate detail not to scale 0 37in 3 87in 5 53in 6 04in 0 36in 0 96in 1 28in 6 31in 1 28in Caution Apply steady pressure to the bezel while screwing the unit into the tray to ensure even seating of the uni...

Page 29: ...ther wires minimum 24 AWG 3 All mic and headphone jacks must be isolated from ground 4 Speaker loads may be required on some older transceivers Consult manufacturer s information COM 2 Speaker load is the only one provided in the PMA8000 5 All shielded wires must be MIL 22750 or 27500 6 Unswitched inputs 1 3 4 are always presented to speaker and crew headphones regardless of SPR switch or PTT 7 CO...

Page 30: ...4 AWG 2 All shields should be grounded at audio panel only other end remains floating 3 Pins 8 and 9 connected through a 5 A breaker 4 PA Mute is a TTL level logic output that is pulled low when PTT active 5 All shielded wires must be MIL 22750 or 27500 6 Reserved 7 Music inputs are independent Connect together to use a single source for both inputs For music distribution information see Section 2...

Page 31: ...ision dated is placed in the air craft records All work accomplished listed on Work Order 9 2 Instructions for Continuing Airworthiness Audio System Sample ICA Checklist for PS Engineering Audio System Section Item Information 1 Introduction Installation of audio control panel with integrated marker beacon receiver and intercommunications system 2 Description Installation as described in manufactu...

Page 32: ... A Shock 7 0 Equipment tested to Operational test only Operational 7 2 Equipment tested to Operational test only Crash Safety 7 3 Equipment tested to Operational test only Vibration 8 0 Equipment tested to Category M N Explosion 9 0 Category X not tested Waterproofness 10 0 Category X not tested Fluids Susceptibility 11 0 Category X not tested Sand and Dust 12 0 Category X not tested Fungus 13 0 C...

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