PS Engineering PMA6000 Manuel utilisateur

9800 Martel Road

Lenoir City, TN 37772

www.ps-engineering.com

PMA6000 PMA6000M

PMA6000C PMA6000M-C

Audio Selector Panel with Intercom System

and

Marker Beacon Receiver

Installation and Operation Manual

Flying never sounded so good™

FAA-ApprovedTSO C35d

TSO C50c

Document P/N 200-066-0100

Revision 1, March 2005

PS Engineering, Inc. 2005 ©

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

PS Engineering

PMA6000 Series Audio Selector Panel and Intercom System

Installation Manual

200-066-0100 Page ii Rev. 1, March 2005

Table of Contents

Section I GENERAL INFORMATION................................................................................................ 1-1

1.1 INTRODUCTION....................................................................................................................1-1

1.2 SCOPE ..................................................................................................................................... 1-1

1.3 EQUIPMENT DESCRIPTION................................................................................................ 1-1

1.4 APPROVAL BASIS - FAA..................................................................................................... 1-2

1.5 SPECIFICATIONS..................................................................................................................1-2

1.6 EQUIPMENT SUPPLIED....................................................................................................... 1-3

1.7 EQUIPMENT REQUIRED BUT NOT SUPPLIED................................................................ 1-4

1.8 LICENSE REQUIREMENTS.................................................................................................. 1-4

Section II -Installation.......................................................................................................................... 2-1

2.1 GENERAL INFORMATION .................................................................................................. 2-1

2.1.1 SCOPE................................................................................................................................. 2-1

2.2 Unpacking and Preliminary Inspection.................................................................................... 2-1

2.3 Equipment Installation Procedures........................................................................................... 2-1

2.3.1 Cooling Requirements......................................................................................................... 2-1

2.3.2 Mounting Requirements...................................................................................................... 2-2

2.3.3 Mounting Rack Installation................................................................................................. 2-2

2.3.4 Connector Assembly............................................................................................................ 2-2

2.4 Cable Harness Wiring .............................................................................................................. 2-2

2.4.1 Noise.................................................................................................................................... 2-2

2.4.2 Entertainment Input.............................................................................................................2-3

2.4.3 External Push-to-Talk.......................................................................................................... 2-3

2.4.4 Transmit Interlock ............................................................................................................... 2-4

2.4.5 Power................................................................................................................................... 2-4

2.4.6 Existing KMA-24 Installation............................................................................................. 2-4

2.4.7 "Swap" Mode....................................................................................................................... 2-4

2.4.8 Backlighting ........................................................................................................................ 2-4

2.4.9 Speaker Loads ..................................................................................................................... 2-5

2.4.10 PA Mute.......................................................................................................................... 2-5

2.4.11 Middle Marker Sense...................................................................................................... 2-5

2.4.12 Unswitched Inputs .......................................................................................................... 2-5

2.4.13 Intercom.......................................................................................................................... 2-5

2.4.14 Digital recorder (-IRS units only)................................................................................... 2-5

2.5 Adjustments.............................................................................................................................. 2-6

2.6 Marker Antenna Installation.....................................................................................................2-6

2.7 Communications Antenna Installation Notes........................................................................... 2-6

2.8 Unit Installation........................................................................................................................ 2-6

2.9 Post Installation Checkout........................................................................................................ 2-7

2.9.1 Required Test Equipment.................................................................................................... 2-7

2.9.2 Power Test........................................................................................................................... 2-7

2.9.3 Operational Checkout, 6000, 6000C, 6000M...................................................................... 2-7

2.10 Marker Checkout, 6000M, 6000M-C Only.............................................................................. 2-8

2.10.1 Operational Checkout, 3rd com version (6000C and 6000M-C)..................................... 2-8

2.11 Final Inspection........................................................................................................................ 2-8

Section III OPERATION.................................................................................................................... 3-1

3.1 SCOPE ..................................................................................................................................... 3-1

3.2 Audio Selector (All models).....................................................................................................3-1

3.2.1 Speaker Amplifier................................................................................................................ 3-1

3.3 Mic Selector Switch (Fail Safe Operation) .............................................................................. 3-1

3.3.1 MicSelectorSwitch,Com3(6000C,6000MC) .................................................................................. 3-2

3.3.2 Swap Mode (Switch from Com 1 to Com 2 remotely)........................................................ 3-2

3.4 Split Mode (6000, 6000M)....................................................................................................... 3-2

PS Engineering

PMA6000 Series Audio Selector Panel and Intercom System

Installation Manual

200-066-0100 Page iii Rev. 1, March 2005

3.5 Split Mode (6000C, 6000MC) ................................................................................................. 3-2

3.6 Intercom ................................................................................................................................... 3-3

3.6.1 Volume Control, Monaural (6000, 6000M, 6000C, 6000MC)............................................ 3-3

3.6.2 Adjusting the VOX-Squelch control, (6000, 6000M, 6000MC)......................................... 3-3

3.6.3 Intercom Modes................................................................................................................... 3-3

3.6.4 Push to talk intercom mode ................................................................................................. 3-4

3.6.5 Internal Recorder System (Option IRS, only) ..................................................................... 3-4

3.7 Marker Beacon (PMA6000M, PMA6000M-C)....................................................................... 3-5

3.7.1 Middle Marker Sense........................................................................................................... 3-5

3.7.2 External Marker Lights (6000M, 6000MC)........................................................................ 3-5

3.7.3 External Marker Audio Input (6000, 6000C)...................................................................... 3-5

3.7.4 Receiver Sensitivity............................................................................................................. 3-5

Section IV- Warranty and Service...................................................................................................... 4-1

4.1 Warranty................................................................................................................................... 4-1

4.2 Factory Service......................................................................................................................... 4-1

Appendix A External PTT Hook Up.....................................................................................................A

Appendix B- Installation Drawing.........................................................................................................B

Appendix D Top Connector wiring (Mono), PMA6000, PMA6000C, PMA6000M, PMA6000M-CD

Appendix F -Instructions for Continuing Airworthiness and FAA Form 337 ..................................E

Appendix G RTCA DO160B Environmental Qualification Form..................................................... F

Table of Figures

Figure 1-1 PMA6000M............................................................................................................................... 1-2

Figure 1-2 PMA6000M-C........................................................................................................................... 1-2

Figure 2-1 Adjustments............................................................................................................................... 2-6

Figure 3-1 Audio Selector........................................................................................................................... 3-1

Tables

Table 3-1 Intercom Modes.......................................................................................................................... 3-4

Revision History

Rev By Date Change

1 GLP March 2005 New release of PMA6000 Mono only manual, removing obsolete Stereo references

PS Engineering

PMA6000 Series Audio Selector Panel and Intercom System

Installation Manual

200-066-0100 Page 1-1 Rev. 1, March 2005

Section I

GENERAL INFORMATION

1.1 INTRODUCTION

The PMA6000 family of Audio Selector Panels are revolutionary products. Never before has there been so

much capability and utility in such a compact package. These units are designed for ease of use and instal-

lation, as well as to facilitate cockpit resource management and improve passenger entertainment.

Before installing and/or using this product, please read this manual completely. This will ensure that you

will take full advantage of all the advanced features.

1.2 SCOPE

This manual provides detailed installation and operation instructions for the PS Engineering PMA6000-

series of Audio Selector Panel/Intercom Systems. This includes the following units:

Model Description Part Number

PMA6000 Audio Selector Panel 6000

PMA6000M Audio Selector Panel with Marker Receiver 6000M

PMA6000C Audio Panel with Com 3 6000C

PMA6000M-C Audio Panel w/MKR and Com 3 6000MC

-IRS Digital Recorder added to any PMA6000 -IRS

Option 2 No silver trim around the bezel Opt. 2

Where the functions are identical to all units, it will be referred to herein as a PMA6000. Otherwise, the

applicable units will be specified.

1.3 EQUIPMENT DESCRIPTION

The PMA6000-series is a state of the art audio isolation amplifier and audio selector that contains a voice

activated (VOX) intercom system. It can switch up to three transceivers (Com 1, Com 2 and TEL) and six

receivers (Nav 1, Nav 2, ADF, DME, MKR and AUX). In addition, there are two unswitched inputs, for

telephone ringer and altimeter warning. Push buttons select the receiver audio source provided to the head-

phones. A SPR button allows the user to listen to the receiver(s) selected on the cabin speaker. Except for

the unswitched inputs, all speaker audio is muted during transmit. A rotary switch selects one of the three

transceivers for the pilot and copilot position in transmit. In "Split Mode" the PMA6000 has the ability to

allow the pilot and copilot to operate different transmitters independently and simultaneously.

A fail-safe mode connects the pilot headphone and microphone to COM 1 if power is removed for any

reason, or if the Mic Selector switch is turned to the Off position.

A six-station voice activated (VOX) intercom is included in the PMA6000. pilot isolate and crew modes,

two mono music inputs with "Soft Mute," and a 2-color Light Emitting Diode for power and transmit indi-

cations. Intercom control is through front panel mounted knobs. Monaural units have dual concentric

knobs that control pilot volume and intercom squelch, and copilot/passenger volume and squelch. In the

stereo versions, there is a single volume and squelch control for all on board.

An optional 3-light Marker Beacon receiver is integral to the PMA6000M and PMA6000MC. This pro-

vides the necessary Marker Beacon light and audio indications necessary for an Instrument Landing Sys-

tem (ILS) approach.

PS Engineering

PMA6000 Series Audio Selector Panel and Intercom System

Installation Manual

200-066-0100 Page 1-2 Rev. 1, March 2005

Figure 1-1 PMA6000M

Figure 1-2 PMA6000M-C

1.4 APPROVAL BASIS - FAA

TSO Approval.

The PMA6000, PMA6000C and Audio Selector Panels are FAA approved under TSO C50c (Audio Am-

plifiers).

The PMA6000M and PMA6000M-C are FAA approved under TSO C50c and TSO C35d (Marker Beacon

Receivers).

All systems comply with RTCA DO-143, DO-160b and DO-170.

Operation is subject to the following conditions:

1. This device may not cause harmful interference.

2. This device must accept any interference received, including interference that may cause undesired

operation.

1.5 SPECIFICATIONS

GENERAL SPECIFICATION CHARACTERISTIC TSO COMPLIANCE:

Marker Beacon: C35d, Class A

Audio Selector/Intercom: C50c, Class A

APPLICABLE DOCUMENTS: RTCA DO-160b, RTCA DO-170 and RTCA DO-143

ENVIRONMENTAL Qualifications: A1D1/CAMXXXXXXXBBBBAAX

Temperature Range: Operating: -20°C to +55°C Storage: -40°C to +85°C

Altitude: Up to 50,000 feet in an non-pressurized area of the cockpit.

DIMENSIONS: Height: 1.3 in. (3.3 cm) Width: 6.25 in. (16.9 cm) Depth: 6.8 in. (17.3 cm)

WEIGHT (With Rack & Connectors) : 1.5 Lb. (0.68 kg.)

POWER REQUIREMENTS (Including Internal Lighting):

Voltage: 13.75 or 27.5 VDC*

Maximum Current: 1 Amp (Externally protected by a 2 Amp circuit breaker.)

Typical operating current: speaker off: 350 mA

speaker on: 600 mA

Audio selector panel input impedance: 510 Ω

Input Isolation: -70 dB (min.)

Speaker Muting: -60 dB (min.)

Speaker Output (into 4 Ω): 3 Watts (min.) with no clipping

Switched Receiver Inputs: 8

(Com 1, Com 2, Nav 1, Nav 2, ADF, DME, MKR, AUX)

PS Engineering

PMA6000 Series Audio Selector Panel and Intercom System

Installation Manual

200-066-0100 Page 1-3 Rev. 1, March 2005

Unswitched Inputs: 2

(TEL Ringer, Altimeter DH)

Transmitter Selections: 5

(Com 1, Com 2, Com1/2, Com2/1, TEL/Com1)

on PMA6000, , PMA6000M

(Com 1, Com 2, Com1/2, Com2/1, Com 3)

on PMA6000C, PMA6000M-C

Speaker Impedance: 4 Ω

Headphone Impedance: 150 - 1000 Ω

Headphone Output: 45 mW each headset with no clipping

Microphone Impedance: 150 - 600 Ω

Intercom Positions: 6 places

Music Inputs: 2

Music Muting: >50 dB "Soft Mute" when Com or intercom active.

Distortion: <1% THD @ 45 mW into 150Ω

Mic Freq. Response, ±3 dB: 350 Hz - 6000 Hz

Music Freq. Response, ±3 dB: 200 Hz - 15 kHz

MARKER BEACON RECEIVER: (PMA6000M, PMA6000M-S, PMA6000M-C, PMA6000M-S-C

Only)

Frequency: 75 MHz Crystal Controlled

Sensitivity:

Low: 450 µVolts (Hard)

Factory adjusted to 1400µV (Soft)

High: 160 µVolts (Hard)

Factory adjusted to 150µV (Soft)

Selectivity: -6 dB at 110 kHz -40 dB at 120 kHz

External Lamp Output: 9.0 (+/- 0.5) VDC Positive when active, max. current 125 mA

MM Sense: Active high (4.7 VDC +/- 0.5V) during Middle Marker acqui-

sition, for autopilot use.

1.6 EQUIPMENT SUPPLIED

A. 1 ea. of the following units:

Model Part Number

PMA6000 6000

PMA6000M 6000M

PMA6000C 6000C

PMA6000M-C 6000MC

Tray 430-004-0001

B. PMA6000 Installation Kit:

Part Number Description Quantity

120-425-4401 Top Connector, (key 2/3) 1

120-425-4400 Bottom Connector (key 7/8) 1

425-001-0001 Gold Plated Crimp Pins 75

701-015-0015 15 Watt Dropping Resistor (Recommended for 28 Volt Systems) 1

PS Engineering

PMA6000 Series Audio Selector Panel and Intercom System

Installation Manual

200-066-0100 Page 1-4 Rev. 1, March 2005

1.7 EQUIPMENT REQUIRED BUT NOT SUPPLIED

A. Speaker, 4 Ω

B. Headphones, mono, up to 6 as required

C. Microphones, up to 6 as required

D. Marker Antenna (75 MHz, VSWR <1:1.5, and appropriate for the airspeed)

E. Interconnect Wiring

F. Headphone Jacks (Up to 6 as required)

G. Microphone Jacks (Up to 6 as required)

H. Circuit Breaker: 1 ea. 2 amp.

I. PMA6000 Installation Manual, P/N 200-066-0100, available at www.ps-engineering.com

1.8 LICENSE REQUIREMENTS

None

PS Engineering

PMA6000 Series Audio Selector Panel and Intercom System

Installation Manual

200-066-0100 Page 2-1 Rev. 1, March 2005

Section II -Installation

2.1 GENERAL INFORMATION

2.1.1 SCOPE

This section provides detailed installation and interconnect instructions for the PS Engineering PMA6000-

Series Audio Selector Panel/Intercom System and PMA6000M-Series Audio Selector Panel/Intercom Sys-

tem with internal Marker Beacon.

With the exception of the internal marker beacon receiver, the PMA6000, and PMA6000C are identical to

the PMA6000M, PMA6000M-C. All units will be identified hereafter as the PMA6000, where the infor-

mation applies to all.

Please read this manual carefully before beginning any installation to prevent damage and post installation

problems. Installation of this equipment requires special tools and knowledge. The equipment must be

installed by an appropriately rated Certified Aircraft Repair Station, in accordance with applicable regula-

tions.

NOTE: The PMA6000-Series requires specialized knowledge equipment and tools for an effective instal-

lation. An appropriately rated Certified Aircraft Repair Station must install this equipment in accordance

with applicable regulations. PS Engineering, Incorporated warranty is not valid unless the equipment is

installed by an authorized PS Engineering, Incorporated dealer. Failure to follow any of the installation

instructions, or installation by a non-certified individual or agency will void the warranty, and may result in

an unairworthy installation.

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 of com-

ponents supplied with the list in Section 1.6 (B). 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. Under no circumstances attempt to install a damaged unit in an aircraft. Equipment returned to PS

Engineering for any other reason should be shipped in the original PS Engineering packaging, or other

UPS approved packaging.

2.3 Equipment Installation Procedures

2.3.1 Cooling Requirements

Forced-air cooling of the PMA6000 is not required. However the unit should be kept away from heat pro-

ducing sources (i.e. defrost or heater ducts, dropping resistors, heat producing avionics) without adequate

cooling air provided.

NOTICE: To reduce the amount of heat dissipated in the audio selector panel, when used in a 28

Volt aircraft, it is required that the 15 Ω, 15-Watt dropping resistor (p/n 701-015-1501) be in-

stalled in series with the power input.

If the PMA6000/M-S is installed in a 27.5 VDC aircraft system, a 15 Ω, 15 Watt dropping resistor (p/n

701-015-1501) should be installed. Failure to do so will generate unnecessary heat inside the unit and may

void PS Engineering's warranty.

PS Engineering

PMA6000 Series Audio Selector Panel and Intercom System

Installation Manual

200-066-0100 Page 2-2 Rev. 1, March 2005

2.3.2 Mounting Requirements

The PMA6000 must be rigidly mounted to the instrument panel of the aircraft structure and within view

and reach of the pilot position(s). Installation must comply with FAA Advisory Circular AC 43.13-2A. The

unit may be mounted in any area where adequate clearance for the unit and associated wiring bundle exist.

NOTE: The mounting hole configuration for the PMA6000 is identical to the KMA-24 Audio Se-

lector Panel. See Appendix B

2.3.3 Mounting Rack Installation

Remove the unit from the mounting tray by first removing the copilot volume and squelch knobs (the

knobs are press-fit on the shaft) and then unscrew the 3/32-inch hex-head screw that is to the right of the

copilot control knob shaft. Carefully slide the unit free of the tray. Set the unit aside in a safe location until

needed. Install the tray using six FHP 6-32 x ½-inch screws. The audio selector panel must be supported at

front and rear of the mounting tray.

2.3.4 Connector Assembly

The unit connectors mate directly with the circuit boards in the PMA6000. 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.).

The connector is mounted to the unit tray with #4-40 screws, from the inside of the tray. Ensure that proper

strain relief and chafing precautions are made during wiring and installation.

2.4 Cable Harness Wiring

Referring to appropriate Appendix C, D, E and F, assemble a wiring harness as required for the installa-

tion. All wires must be MIL-SPEC in accordance with current regulations. Two- and three-conductor with

shield wire must be used where indicated, and be MIL-C-27500 or equivalent specification. Proper strip-

ping, shielding and soldering technique must be used at all times. It is imperative that correct wire be used.

Refer to FAA Advisory Circular 43.13-2A for more information. Failure to use correct techniques may

result in improper operation, electrical noise or unit failure. Damage caused by improper installation will

void the PS Engineering warranty.

2.4.1 Noise

Due to the variety and the high power of radio equipment often found in today's general aviation aircraft,

there is a potential for both radiated and conducted noise interference.

The PMA6000 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 13.0 VDC present at the bottom

connector, pin 20, of the PMA6000 for the power supply to work in its designed regulation. Otherwise, it

cannot adequately attenuate power line noise. Shielding can reduce or prevent radiated noise (i.e., beacon,

electric gyros, switching power supplies, etc.) However, installation combinations can occur where inter-

ference is possible. The PMA6000s were designed in a RFI hardened chassis and have internal Electro-

magnetic Interference (EMI) filters on all inputs and outputs.

Ground loop noise occurs when there are two or more ground paths for the same signal (i.e., airframe and

ground return wire). Large cyclic loads such as strobes, inverters, etc., can inject noise signals onto the

airframe that are detected by the audio system. Follow the wiring diagram very carefully to help ensure a

minimum 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.

PS Engineering

PMA6000 Series Audio Selector Panel and Intercom System

Installation Manual

200-066-0100 Page 2-3 Rev. 1, March 2005

Radiated signals can be a factor when low level microphone signals are "bundled" with current carrying

power wires. Keep these cables physically separated. It is very important that you use insulated washers to

isolate the ground return path from the airframe to all headphone and microphone jacks.

Adding a high-performance audio control system, particularly in conjunction with active noise canceling

headsets, cannot improve on older avionics that were designed for cabin-speaker use. PS Engineering

makes no claim that the audio panel will provide a noise-free audio quality under all installation conditions,

particularly with older avionics.

2.4.2 Entertainment Input

Two entertainment devices (CD player, cassette player, etc.) can be connected to the unit. Install two 1/8-

inch jacks in a convenient location so that the pilot can plug in the entertainment devices into the system.

NOTE: Use the low level output of any entertainment device to connect to the

audio panel. Maximum signal level is 2 VAC p-p. DO NOT use a speaker-

level output, this will cause internal damage in the audio panel.

To use a line level, install an AudioLink PowerLink 101PL2 adapter, available

from Crutchfield at 1-800-955-3000

(804)-817-1000, [email protected]

For a stereo input, we recommend tying the left and right channels (tip and ring) together, so both stereo

channels are provided to the monaural audio panel, and the audio amplitude available to the audio panel is

increased. Audio signal at the entertainment input must be a minimum of 500 mV P-P for optimum music

performance. We have noticed that the portable devices using 4 batteries seem to work better than the 2-

cell types. Also we have found that some cigarette-lighter adapters introduce noise into the system due to

the dropping power supply.

NOTE: The Soft Mute must be enabled in the 6000, 6000M, 6000C, 6000MC

either by connecting top connector pins N and 12 together in the harness, or

through an external Soft Mute Enable switch.

2.4.2.1 Soft Mute

The PMA6000-system incorporates a "Soft Mute" system. This will mute the entertainment devices during

ICS or radio traffic. While in the ALL or ISO modes, entertainment #1 is heard by everyone (except by the

pilot in ISO mode). While in the CREW mode, pilot and copilot will hear entertainment #1 while the pas-

sengers will hear entertainment #2.

Entertainment inputs #1 and #2 can be paralleled so a single entertainment source can serve both the

passengers and the crew in "crew" mode. It is suggested however, that a switch (DPDT) is installed

between the single entertainment device and entertainment input #1. This will allow the pilot and copilot to

decide if they hear entertainment while in the Crew mode.

Local oscillators and internal signals from some entertainment equipment can cause undesired interference

with other aircraft systems. Before takeoff, operate the entertainment devices to determine if there is any

adverse effect within the aircraft systems. If any unusual operation is noted in flight, immediately switch

off the entertainment devices.

2.4.3 External Push-to-Talk

An important part of the installation is the PTT (Push-To-Talk) switches that allow the use of your aircraft

communications radio for transmissions. There are three typical configurations that can be used. Select the

case that best fits the installation. Only the person who presses their PTT switch will be heard over the ra-

dio. If the pilot and copilot both use the PTT, the copilot position has access to the radio. The pilot posi-

tion will have PTT control regardless of the copilot when the PMA6000 is in the FAIL-SAFE mode.

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