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PS Engineering

PMA450 Audio Selector Panel and Intercom System

Installation and Operator’s Manual

200-450-0000

Appendix C

Rev. 6, Dec. 2015

Appendix C – J2 Connector Interconnect

22

20

31

16

1

35

36

24

23

25

4

3

2

Copilot Phones (R)

Copilot Phones (L)
Copilot Phones Lo

Pass. 1 Mic Jack

Pass. Mic Lo

Pass. Mic Hi

37

38

Pass. 2 Mic Jack

Pass. Mic Lo

Pass. Mic Hi

39

40

Pass. 3  Mic Jack

Pass. Mic Lo

Pass. Mic Hi

41

42

Pass. 4  Mic Jack

Pass. Mic Lo

Pass. Mic Hi

32

33

34

Copilot Mic Audio

Copilot PTT

Copilot Mic Lo

Copilot PTT

Copilot Mic Jack

14

13

Ent. #2 Mute

12

Playback

PMA450 J2 CONNECTOR

(Sub-D 44-pin male on tray)

Ent. #2  Input

27

26

28

Ent. #2 Audio (R)

Ent. #2  Audio (L)

Ent. #2  Audio Lo

19

________

PA

Active

Note 8

Notes:

Ent. #1 Audio (R)

Ent. #1 Audio (L)

Ent. #1  Audio Lo

Ent. #1  Input

5

6

7

Copilot PhonesJack

Pilot Phones (R)
Pilot Phones (L)

Pilot Phones Lo

Pilot PhonesJack

14/28 Volt Lights Hi

14 V Lights Hi/28V Lights lo

Lights Lo

8

9

Ground Lug

Airframe Ground

11-33 VDC

See Note 4

PA Mute

18

17

30

29

Speaker Hi
Speaker Lo

44

43

Swap

Switch

Swap

10

11

Cockpit Speaker

1. All Power, and Ground wires must be #22 gage wire

Lighting #22 AWG, other wires minimum#24 AWG.

2. All shields should be groundedat audio panel only,

other end remains floating

3. Pins 8 and 9 connected through a 5 A breaker.

4. PA Mute trigger is a TTL level logic output that is pulled

low when PTT active for add-on Public Address systems.

5. All shieldedwires must be MIL 22750 or 27500.

6. Optional switch to remotelyactivate playback

7. For music distributioninformation, see Sections2.5.1 & 3.9

8. Pin 19 is switchedto ground when the PA mode is activated,

placing pilot microphone on speaker output while pilot PTT active.

See Sect 2.4.10.2.

9. AUX enable goes low when SW#3 is selected.

Should NOT be used when audio source is installed and played

through SW3

10. S/N D 01150 and below ONLY:

Grounding Pin 30 places Marker Receiver into HI sensitivity

11. No connection to Pin 17, 29.

12. Use care when connecting music signal and ground inputs.

Refer to section 2.5.1 for more information.

Failure to properly interface music can result in

added noise.

13. Unswitched4 audio low connectedto copilot or

pilot phone low as convenient,

but should NOT go to music low

14. This switch toggles Music 2 mute on and off.

Unswitched Input #4  Hi

Unswitched Audio Lo

Unswitched Audio #4

15

See Note 9

7

6

5

28 V Lights Hi

28-Volt lights lo

7

6

5

14 V Lights Hi

14-Volt lights lo

AUX Enable

See Note 14

5A Breaker

See Note 3

Note 6

Note 12

Note 13

External Marker Sense

Note 10

Содержание PMA450

Страница 1: ...941 187 5 903 227 6 160 496 and 6 493 450 7 391 877 PS Engineering Inc 2015 Copyright Notice Any reproduction or retransmittal of this publication or any portion thereof without the expressed written...

Страница 2: ...PUBLIC ADDRESS MODE 2 6 2 4 11 COM RECEIVE ACTIVE OUTPUT J1 PIN 24 2 6 2 4 12 WIRED TELEPHONE SATELLITE COMMUNICATION INPUT SERIAL NUMBER F01201 AND ABOVE 2 6 NOTE THE AUDIO INPUT IS ALWAYS ACTIVE TO...

Страница 3: ...CELLULAR TELEPHONE SIDETONE 3 11 3 12 WIRED SATCOM CELL PHONE INPUT SERIAL NO F01201 AND ABOVE 3 12 3 13 INTERNAL RECORDER AND PLAYBACK 3 12 3 14 USER SETUP MENUS 3 13 3 14 1 ADJUST SCREEN LCD ADJUST...

Страница 4: ...ring is not responsible for unauthorized airborne use of cellular telephones For airborne use the PMA450 must be interfaced with an approved system There are four unswitched inputs available for traff...

Страница 5: ...ns for Airborne Equipment and ED 18 DO 214A Audio Systems Characteristics and Minimum Operational Performance Standards for Air craft Audio Systems 1 1 1 Limitations This article meets the minimum per...

Страница 6: ...nputs 2 Independent Stereo Music Muting 30 dB Soft Mute when Com or intercom active Distortion 1 THD 30 mW into 150 Mic Freq Response 3 dB 300 Hz 6000 Hz Music Freq Response 3 dB 10 Hz 26 kHz MARKER B...

Страница 7: ...r 2 475 440 0001 Solder Lug 2 475 009 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 Break...

Страница 8: ...nd Preliminary Inspection Use care when unpacking the equipment Inspect the units and parts supplied for visible signs of shipping damage Examine the unit for loose or broken buttons bent knobs etc Ve...

Страница 9: ...ipping shielding and soldering technique must be used at all times It is imperative that correct wire be used Refer to FAA Advisory Circular 43 13 2B for more information Failure to use correct techni...

Страница 10: ...onditions particularly with older avionics 2 4 2 Existing GMA340 and PMA8000 Installations If the installation replaces a GMA340 or any of the PMA8000 series no changes are necessary as long as the ex...

Страница 11: ...o the audio panel with the shield grounded at the audio panel end Some avionics do not provide a separate audio low and may introduce additional electrical noise into the system For best results conne...

Страница 12: ...el adjustments must be made at the input source Unswitched 3 and 4 can be adjusted at installation Refer to Adjustments 2 7 2 4 9 Swap Mode When a momentary normally open push button switch is connect...

Страница 13: ...dio is present Refer to CNX80 installation manual for details 2 4 12 Wired Telephone Satellite Communication input Serial Number F01201 and above The PMA450 Serial Number F01201 and above can accommod...

Страница 14: ...normally open NO push button switch may be installed if desired to activate the Recording System playback This switch can be located anywhere in cockpit convenient to the pilot s reach The NO switch s...

Страница 15: ...turning the inner knob Counter clockwise to lower the number level of Brightness Contrast and clockwise to increase the number level of Brightness Contrast To change the display Press the line select...

Страница 16: ...paired devices Set or disable a pairing pass code Change the PMA450 s device ID 2 6 3 1 Un pair All Resets Bluetooth Pressing the line select next to Un pair All removes all Bluetooth devices This is...

Страница 17: ...th AC 43 13 2B 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 c...

Страница 18: ...Audio 17 No Connect 18Nav 1 Audio Lo 18 RESERVED 19Nav 2 Audio 19 PA Enable Out 20Nav 2 Audio Lo 20 Swap 21SW 2 DME Audio 21 Swap Lo 22SW 2 DME Audio Lo 22 IRS Playback 23SW 3 Aux Audio 23 Music 1 L 2...

Страница 19: ...the crew positions 1 Apply power to the aircraft and avionics 2 Plug stereo headsets into the pilot copilot and occupied passenger positions 3 Verify fail safe operation by receiving and transmitting...

Страница 20: ...telephone 2 11 5 Internal Recorder Checkout With headset plugged into pilot s side jacks tune COM 1 to local frequency such as FSS or ATC ground Select Com 1 on mic selector switch and record several...

Страница 21: ...vaid Selection 5 Line Select buttons 6 LCD Display 7 Speaker Selection 8 Intercom Mode 9 Marker 10 USB Power Port Figure 3 1 PMA450 Operating Controls 3 2 Power and Fail Safe 1 Unit power is turned on...

Страница 22: ...two each C1 and C2 C1 refers to VHF COM 1 and C2 to VHF COM 2 To select a VHF COM for transmit push the lower button in the XMT transmit section The radio is automatically selected to receive incoming...

Страница 23: ...in stereo mode for this feature The spatially processed dimensional sound in the PMA450 can be adjusted to accommodate the user pref erences This adjustment allows the Spatial Audio inputs to be reloc...

Страница 24: ...lit Mode all audio that the pilot hear will also be present in the speaker Unswitched audio 1 2 the inputs dedicated to autopilot disconnect altimeter warning etc will come through the speaker regardl...

Страница 25: ...ton AUD will light up green The Blue lamp labeled O is the Outer Marker lamp and has an associated 400 Hertz dash tone The lamp and tone will be keyed at a rate of two tones flashes per second when th...

Страница 26: ...or whistling in monotone may be blocked after a few moments For consistent performance any headset microphone must be placed within inch of your lips preferably against them ref RTCA DO 214 1 3 1 1 a...

Страница 27: ...the selection of the three intercom modes This button cycles through the intercom modes from left to right then right to left as ISO ALL CRW and CRW ALL ISO A green indicator shows which mode is curr...

Страница 28: ...ing music from a Bluetooth enabled device which will be connected into Music 1 The Music 1 and Music 2 inputs can be selectively delivered to the pilot copilot and or passengers using the music distri...

Страница 29: ...ut Mute ALL Karaoke Radio Mute The PMA450 always defaults to Mute ALL when turned on In Mute music will mute with either intercom or radio Karaoke mode music will not mute except during radio transmis...

Страница 30: ...evice you will have to turn the audio panel off and back on to automatically connect Hint if your old phone is not recognized by the PMA450 you may need to reset from the Bluetooth menu 3 10 1 1 Parin...

Страница 31: ...e sidetone PS Engineering does not guarantee compatibility with personal cellular telephones 3 11 1 Bluetooth Reset If the Bluetooth devices have trouble connecting it may be necessary to reset the Bl...

Страница 32: ...back The PMA450 comes equipped with an internal recorder This digital system stores the last incoming audio from the radio you have selected for transmit It can store as many of 8 incoming messages an...

Страница 33: ...tooth Cycle the PMA450 power to exit setup screen 3 14 1 Adjust Screen LCD Adjustment The first items are adjustments to the Liquid Crystal Display allowing the installer or user to tailor the con tra...

Страница 34: ...exit setup screen Figure 3 11 Display Timeout Menu 3 14 2 Rename Switched Inputs The system is factory set to default as ADF DME AUX as shown The three inputs are from top to bottom Switched input 1...

Страница 35: ...o restrict access to the audio panel Bluetooth functions Some phone will not pair is a Personal Identification Number PIN is required To disable the PIN PMA450 Version 2 012 and later Enter configurat...

Страница 36: ...se the 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 C...

Страница 37: ...Back 15 30 44 1 16 31 15 30 44 1 16 31 Ground Lug Ground Lug 475 440 0001 x2 Back plate assy 475 009 0001 ground lug x2 475 440 0001 x2 Screw w washer Ground lug detail Rear plate detail not to scale...

Страница 38: ...00 6 Unswitched inputs 1 is always presented to speaker and crew headphones regardless of SPR switch or PTT 7 COM active output provides a logic low when there is activity on COMs or other selected au...

Страница 39: ...hields should be groundedat audio panel only other end remains floating 3 Pins 8 and 9 connected through a 5 A breaker 4 PA Mute trigger is a TTL level logic output that is pulled low when PTT active...

Страница 40: ...revision dated is placed in the aircraft records All work accomplished listed on Work Order 8 2 Instructions for Continuing Airworthiness Audio System Sample ICA Checklist for PS Engineering Audio Sys...

Страница 41: ...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...

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