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PS Engineering

PMA7000BT Audio Selector Panel and Intercom System

Installation and Operator’s Manual

200-780-0204

Appendix C

May 2015

Appendix B Bottom Connector Interconnect

Com 1 Audio Hi

Com 1 Mic Key

Com 1 Lo

Communications
Transceiver #1

Communications
Transceiver #2

Nav 1 Audio Hi

NAV 1 Audio Lo

VHF Nav 1

Nav 2 Audio Hi
Nav 2 Audio Lo

VHF Nav 2

DME Audio Hi
DME Audio Lo

DME Receiver

Com 1 SPR Load

Com 2 SPR Load

Unswitched Input #1 Hi

Unswitched Audio Lo

Unswitched Audio #1

Unswitched Input #2 Hi

Unswitched Audio Lo

Unswitched Audio #2

Pilot Mic Audio Hi

Pilot Mic PTT

Pilot Mic Lo

Ext. Marker Lamp (Blue)

C

5

4

2

Ext. Marker Lamp (White)

Ext. Marker Lamp (Amber)

MM Sense Output

MKR Ant.

B
A

White Lamp Output

Blue Lamp Output

Amber Lamp

MM Sense

RG-58A/U Coax

PA Mute Trigger

F
D
E

18
14
20

1
Z

W
22

28 Volt Lights Hi

14 V Lights Hi

Lights Lo

Ground Lug

Airframe Ground

3A Breaker

11-33 VDC

9

P
R

Com 1 Mic Audio Hi

Com 2 Audio Hi

Com 2 Mic Key

Com 2 Lo

10

H
V

Com 2 Mic Audio Hi

12

13

6

19
L

Com 1 Spr Load

Com 1 Spr Load

Com 2 Spr Load

Com 2 Spr Load

16
M

T

17

Speaker Hi

Speaker Lo

3

Pilot Phones (L)

Pilot Phones (R)
Pilot Phones Lo

8
Y

To Pin 1 - Top Conn.

Communications
Transceiver #3

J

K
15

Com 3 Audio Hi

Com 3 Mic Audio Hi

Com 3 Lo

Com 3 Mic Key

ADF Audio Hi

ADF Audio Lo

ADF Receiver

S

AUX Audio Hi

AUX Audio Lo

AUX Audio

11

Notes:

1. Pins 7, N, 14, are not used.
2. All shields should be grounded at audio panel only
other end remains floating.
3. Speaker and Pilot Headphone ground returns
MUST be kept separate and connected
to pin 22.
4. All Power, and Ground wires must be #18 gage wire
Lighting #22 AWG, other wires minimum #24 AWG
5. Pilot mic and headphone jacks must be isolated from ground.
6. Pin 20 connected through a 3 A breaker.
7. PA Mute is a TTL level logic output
that is pulled low when PTT active.
8. Speaker loads may be required on some
transceivers. Consult transceiver manufacturer's information.
9. Installations require a 3 A breaker.
Retrofit 28V installations may remove dropping
resistor and change breaker to 3A.
10. Audio applied to Pins T, 17, U and X , is always presented
in speaker, pilot and copilot headphones, regardless
of SPR switch or PTT.
Audio applied to Pin T is present in pilot headphone (Rt)
in Fail-Safe mode.
11. All shielded wires must be MIL 22750 or 27500.
12. Connect pilot headphone (L) to top connector, Pin 1,
using 3-conductor wire.
Pin 3 MUST be connected to the pilot
headphone TIP for failsafe operation.
13. Key pin between pin 7 and 8.
14. RESERVED
15. Apply ground to Pin 14 to activate Alternate
Intercom Mode. See Sect. 2.4.15.1
16. If "External" or "Internal" speakers are used in KMA24
installation, these connections must be removed from
Pins X and U.

Ext. Marker Annunciator

Pilot PTT

See Note 4, 9

See Note 7

See Note 4, 9

See Note 3

See Note 8

See Note 12

Bottom Connector, J1

Unswitched Input #3 Hi

Unswitched Audio Lo

Unswitched Audio #3

Unswitched Input #4 Hi

Unswitched Audio Lo

Unswitched Audio #4

U

X

See Note 10

See Note 15
ALT ICS MODE

See Note 16

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Содержание PMA7000B Series

Страница 1: ...Patented under one or more of the following No 4 941 187 5 903 277 6 160 496 and 6 493 450 PS Engineering Inc 2015 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 Ci...

Страница 2: ... 2 4 2 5 2 POWER 2 4 2 5 3 COMMUNICATIONS PUSH TO TALK 2 4 2 5 4 AUDIO PANEL INTERFACE 2 5 2 5 5 COM 3 DUPLEX SAT PHONE FUNCTION FOR COM 3 2 5 2 5 6 TRANSMIT INTERLOCK 2 5 2 5 7 SWAP MODE 2 6 2 5 8 BACKLIGHTING 2 6 2 5 9 UNSWITCHED INPUTS 2 6 2 5 10 PA MUTE J1 PIN 18 2 6 2 5 11 PUBLIC ADDRESS FUNCTION J2 PIN 18 2 6 2 5 12 CONTROL OUTPUT J2 PIN A 2 6 2 5 13 INTERCOM WIRING 2 6 2 5 14 ENTERTAINMENT ...

Страница 3: ...ROL 3 4 3 6 3 INTERCOM MODES 3 4 3 6 4 ENTERTAINMENT INPUT 3 5 3 7 SATELLITE TELEPHONE MODE 3 6 3 8 BLUETOOTH INTERFACE 3 6 3 8 1 PAIRING AND UNPAIRING BLUETOOTH DEVICES 3 6 3 8 2 BLUETOOTH TELEPHONE MODE 3 7 3 9 MARKER BEACON OPERATION 3 7 SECTION IV WARRANTY AND SERVICE 4 1 4 1 WARRANTY 4 1 4 2 FACTORY SERVICE 4 1 APPENDIX A PMA7000BT INSTALLATION DRAWING A APPENDIX B BOTTOM CONNECTOR INTERCONNE...

Страница 4: ...hibited by regulation PS Engineering is not responsible for unauthorized airborne use of cellular telephones For airborne use the PMA7000BT must be interfaced with an approved system There are four unswitched inputs available for traffic or EGPWS autopilot disconnect and or radar altime ter warning Push buttons select the receiver audio source provided to the headphones A SPR button allows the use...

Страница 5: ...al The PMA7000BT series Audio Selector Panels are FAA approved under TSO C50c Audio Amplifiers and TSO C35d Marker Beacon Receivers In addition they are approved by the Joint Airworthiness Au thorities under JTSO C50C and JAR TSO 2C35d All systems comply with relevant portions of EUROCAE RTCA MPS WG No 7 70 DO 143 and Marker Beacon Receivers ED 14C DO 160C Environmental Conditions and Test Procedu...

Страница 6: ...eo Music Muting 30 dB Soft Mute when Com or intercom active Distortion 1 THD 38 mW into 150 Mic Freq Response 3 dB 300 Hz 6000 Hz Music Freq Response 3 dB 20 Hz 18kHz MARKER BEACON RECEIVER if equipped Frequency 75 MHz Crystal Controlled Sensitivity Low High Capable of preset at factory for field application 1000 Volts Hard 360 to 570 V soft 200 Volts Hard 130 to 200 V soft Selectivity 6 dB at 10 ...

Страница 7: ...2 475 632 0004 Cable Clamp 1 625 001 0002 6 32 x Flat head Phillips screw 6 475 632 0012 6 32 Clip Nut 6 475 630 0002 Parts identification sheet 1 002 250 7028 a Circuit Breaker 1 ea 3 amp PULL TYPE REQUIRED for PMA7000BT b Speaker 4 c Headphone Jacks Stereo as Required d Microphone Jacks as Required e Headphones 150 Stereo up to 6 as required f Microphones up to 6 as required g Marker Antenna 75 ...

Страница 8: ...cal standard order TSO Installation of this article requires separate approval Re fer to AC 20 41A for information regarding Substitute TSO Aircraft Equipment 2 2 Unpacking and 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 Verify the correct quantity ...

Страница 9: ...nections if it was constructed so it can be relo cated to the PMA7000BT tray 2 3 2 Unit Installation Remove the existing audio panel by turning the 3 32 hex head screw counterclockwise while pulling gen tly on the bezel Do not try to back the unit out with the locking screw as damage will occur Figure 2 1 Mounting Rod Location To install the PMA7000BT gently slide the unit into the mounting rack u...

Страница 10: ...onnectors are a Molex crimp type and require the use of a Molex hand crimp tool EDP P N 11 01 0203 CR6115B or equiv The connectors are mounted to the unit tray with 4 40 screws 475 440 0007 from the inside of the tray Ensure that proper strain relief and chafing precautions are made during wiring and installation using the cable clamp 625 001 0002 Secure the ground bar 430 007 0001 if desired usin...

Страница 11: ...am very carefully to help ensure a min imum of ground loop potential Use only Mil Spec shielded wires MIL C 275000 or better Under no circumstances combine a microphone and headphone wiring into the same shielded bundle Always use a 2 or 3 conductor shield wire as shown on the installation wiring diagram Radiated signals can be a factor when low level microphone signals are bundled with current ca...

Страница 12: ...e NOTE The pilot headphone MUST be wired in accordance with Appendix C Bottom connector Pin 3 to Pilot headphone tip right to ensure proper failsafe operation Verify failsafe operation in accordance with Section 2 11 2 step 3 2 5 6 Com 3 Duplex SAT PHONE Function for COM 3 As installed in the standard configuration the PMA7000BT Com 3 function operates conventionally Push ing the Com 3 Xmt button ...

Страница 13: ... even when the unit is off or in fail safe mode If the KMA 24 installation includes External Speaker or Internal Speaker connections to J1 Pins X and U respectively these will have to be disconnected to avoid interference with the Unswitched inputs 3 and 4 NOTE Inputs 1 2 and 4 are fixed 1 1 and any audio level adjustments must be made at the input source Input 3 Bottom Connector pin U has adjusta...

Страница 14: ...d is provided to the pilot and copilot Entertainment number 2 is provided to the passengers at all times Entertainment 1 and 2 must be connected together in order for all positions to hear the same music source We recommend installing a DPDT switch to allow isolation of the music sources if desired 16 15 T Ent 2 Input 14 R 13 Alternate Music Interconnect Ent 1 Input NOTE Use the low level output o...

Страница 15: ...efer to aircraft and antenna manufacturer s installation instructions as well as AC43 13 2A or later revision Chapter 3 for information on proper antenna installation techniques The marker beacon antenna must be mounted on the bottom of the aircraft 2 6 2 External Marker Lights Marker version For installations that require external marker beacon lights there are three outputs that can drive 12 Vol...

Страница 16: ...System Installation and Operator s Manual 200 780 0204 Page 2 9 May 2015 Figure 2 3 PMA7000BT Adjustments Figure 2 4 PMA7000BT Adjustments Com 3 Volume Must remove ESD Sheet Speaker Volume Marker Volume Marker Gain LO Marker Gain HI Unsw 3 Volume Must remove ESD Sheet ...

Страница 17: ...ok switches must be installed to have full access to the satellite phone systems The copilot hook switch is a SPST switch that connects pin L of J2 on the PMA7000BT to ground to place the copilot mic audio on the Com 3 audio in duplex mode for satellite phone operation PMA7000BT J2 pin M is the passenger hook switch Install a SPST switch in a location adjacent to each passenger headset where satel...

Страница 18: ...rtainment 2 In L J2 Top Connector Input Output Pilot Mic Audio Hi In Com 3 Audio Hi Com 1 Audio Hi Com 2 SPKR Load AUX Audio Input Hi Com 1 Spkr Load Com 2 Audio Hi Aircraft Power 11 33 VDC ADF Audio Hi Com 2 SPKR load Unswitched Audio In 1 Unswitched Audio In 2 Com 3 Mic Key Com 1 Mic Key Nav 2 Audio Hi Com 1 Mic Audio Hi Nav 1 Audio Hi Com 2 Mic Audio Hi 28V Lights Hi Light Lo 14 V Light Hi Ambe...

Страница 19: ...e present in the right ear cup only 4 Switch on the unit by pressing the volume VOL knob 5 Check intercom operation 6 Push the Com 1 Xmt select button lower row 7 Verify that both of the Com 1 buttons light Verify that transmit button LED Light Emitting Diode near the mic selector is not blinking If the LED is blinking stop testing and troubleshoot the micro phone PTT installation 8 Verify proper ...

Страница 20: ...he sensitivity in the field so as to prevent early detection of the marker beacons If your particular installation requires more or less sensitivity see adjustment section 2 6 and figure 2 1 2 12 Bluetooth Interface Checkout Place Bluetooth device into the discovery mode Select the PMA7000BT on the device and enter PIN code 0000 if required Play music from the device and verify pilot copilot can h...

Страница 21: ... or turned OFF the audio selector will be placed in the fail safe mode The power switch also controls the audio selector panel functions intercom and marker beacon receiver 3 3 Microphone XMT Selection All models There are six pushbuttons associated with the communications transceivers The lower buttons control which transceiver is selected for transmit The PMA7000BT gives priority to the pilot s ...

Страница 22: ...ich receivers are selected by noting which of the green switch LEDs are illumi nated Push buttons labeled Nav 1 Nav 2 MKR Marker ADF DME AUX auxiliary and SPR Speaker are momentary type switches When one of these buttons is pressed be active and the LED will illuminate Press the switch again and it be in the off position and remove that receiver from the audio 3 4 1 Speaker Amplifier The SPR in th...

Страница 23: ...here is no field adjustment Through three individual signal processors the ambient noise appearing in all six microphones is constantly being sam pled Non voice signals are blocked When someone speaks only their microphone circuit opens placing their voice on the intercom The system is designed to block continuous tones therefore people humming or whistling in monotone may be blocked after a few m...

Страница 24: ...lower switch on the left side is a 3 position mode switch that allows the pilot to tailor the intercom function to best meet the current cockpit situation 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 with the ICS button ISO Up Position The pilot is isolated from the intercom and is connected onl...

Страница 25: ...ns to normal The front panel ICS switch controls muting of entertainment source 1 for pilot and copilot Pushing this button places the ICS in Karaoke or sing along mode which inhibits the soft mute feature This allows the music to continue uninterrupted by intercom or radio traffic when cockpit workload is appropriate Pushing the button again will release the mute inhibit function The passenger mu...

Страница 26: ...o using the PTT All selected audio is provided If any other passenger goes off hook they will hear the phone Note Because the satellite phone port uses an intercom circuit all stations on that circuit will lose intercom capability when the satellite phone is in use 3 8 Bluetooth interface The PMA7000BT has a Bluetooth interface The audio panel is always discoverable so you just need to search for ...

Страница 27: ...rcom mode when the PMA7000BT is in the TEL 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 access to COM 1 or 2 and will transmit on that radio using the PTT All selected audio is provided Note In this mode pilot will not have Bluetooth telephone sidetone hear their own voice Warning United States FCC Regulations cont...

Страница 28: ... 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 three position switch is used to set the receiver sensitivity and to test the indicator lamps Use HI sen sitivity initially This allows you to hear the outer marker beacon about a mile ...

Страница 29: ... 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 there is any attempt to dissem ble this p...

Страница 30: ... mm 6 31in 160 3 mm Cutout size for front mount installation 1 315 in 33 4 mm 6 28 in 159 5 mm 3 00 in 76 2 mm CG Weight 1 5 lb with tray and connectors 68 kg Side View Rear View 6 65 in 167 mm J1 bottom J2 top Z Y X W V U T S R P N M L K J H F E D C B 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 A 1 Connector viewed from the rear Z Y X W V U T S R P N M L K J H F E D C B 22 21 20 19 18 ...

Страница 31: ... be grounded at audio panel only other end remains floating 3 Speaker and Pilot Headphone ground returns MUST be kept separate and connected to pin 22 4 All Power and Ground wires must be 18 gage wire Lighting 22 AWG other wires minimum 24 AWG 5 Pilot mic and headphone jacks must be isolated from ground 6 Pin 20 connected through a 3 A breaker 7 PA Mute is a TTL level logic output that is pulled l...

Страница 32: ... AGT or cellular phone 11 When pin 18 is switched to ground the PA mode is activated placing pilot microphone on speaker output when PTT active See Sect 2 5 13 2 3 B Copilot Phones L Copilot Phones R Copilot Phones Lo Pilot Phones L see bottom connector 12 11 N Pass Phones L Pass Phones R Pass Phones Lo Pass 1 Mic Jack Pass Mic Lo Pass Mic Hi Pass 1 PhonesJack 5 E Pass 2 Mic Jack Pass Mic Lo Pass ...

Страница 33: ... 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 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 manufacturer s installation man...

Страница 34: ...ity 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...

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