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Bendix/King

KMA28

Audio Amplifier/Intercom/Marker Beacon Receiver

006-10565-0000

Appendix

A

Rev. 0, Sept. 00

Figure 4-3 Tray Assembly Drawing

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Содержание BENDIX/KING KMA28

Страница 1: ...ER 2000 WARNING Prior to export of this document review for export license requirement is needed Honeywell International Inc 2000 Copyright Notice Reproduction of this publication or any portion thereof by any means without the express written permission of Honeywell International Inc is prohibited For further information contact the Manager Technical Publications Honeywell Business General Aviati...

Страница 2: ...2 3 4 CONNECTOR ASSEMBLY 2 2 2 4 CABLE HARNESS WIRING 2 2 2 4 1 NOISE 2 2 2 4 2 EXISTING KMA 24 INSTALLATION 2 3 2 4 3 EXISTING PS ENGINEERING PMA6000 INSTALLATIONS 2 3 2 4 4 POWER 2 3 2 4 5 COMMUNICATIONS PUSH TO TALK 2 3 2 4 6 TRANSMIT INTERLOCK 2 3 2 4 7 SWAP MODE 2 4 2 4 8 BACKLIGHTING 2 4 2 4 9 UNSWITCHED INPUTS 2 4 2 4 10 INTERCOM WIRING 2 4 2 4 11 COM 3 AUDIO 2 5 2 4 12 PUBLIC ADDRESS FUNCT...

Страница 3: ... 1 SWAP MODE SWITCH FROM COM 1 TO COM 2 REMOTELY 3 3 3 3 2 SPLIT MODE 3 3 3 3 3 TELEPHONE MODE 3 3 3 4 INTERCOM SYSTEM 3 4 3 4 1 INTELLIVOX VOX SQUELCH 3 4 3 4 2 VOLUME CONTROL 3 5 3 5 MARKER BEACON OPERATION 3 7 3 6 TELEPHONE OPERATION IF EQUIPPED WITH APPROVED SYSTEM 3 7 4 APPENDIX A INSTALLATION DRAWINGS A 5 APPENDIX B BOTTOM CONNECTOR INTERCONNECT B 6 APPENDIX C TOP CONNECTOR INTERCONNECT C 7 ...

Страница 4: ... TEL mode allows the KMA 28 to act as an audio interface between aircraft head phone and microphones and specific aircraft approved FAA FCC cellular telephone equipment Warning Use of non aviation approved cellular telephone equipment may be prohibited by regulation Honeywell Inc is not responsible for unauthorized airborne use of cellular telephones There are two unswitched inputs for autopilot d...

Страница 5: ...matic A 3 light Marker Beacon receiver is integrated in the KMA 28 This provides the neces sary Marker Beacon lights and audio indications necessary for an Instrument Landing System ILS approach 1 4 APPROVAL BASIS TSO Approval The KMA 28 Audio Selector Panel is FAA approved under TSO C50c Audio Amplifi ers and TSO C35d Marker Beacon Receivers In addition they are approved by the Joint Airworthines...

Страница 6: ...TS Including Internal Lighting Voltage 11 to 33 VDC Maximum Current 2 5 Amp Externally protected by a 3 Amp circuit breaker Typical operating current Speaker off Speaker on 28V full radio volume 350 mA 1 5 A Audio Selector Specifications Audio selector panel input impedance 510 Ω Input Isolation 60 dB min Speaker Muting 60 dB min Speaker Output into 4 Ω with no clipping 14 VDC 28 VDC 3 Watts min 1...

Страница 7: ...htness VDC posi tive when active max current 125 mA MM Sense Active high 4 7 VDC 0 5V during Middle Marker acquisition for autopilot use 1 6 EQUIPMENT SUPPLIED 1 ea of the following Model Part Number KMA 28 066 01176 0101 KMA 28 Installation Kit 050 03613 0001 contains the following parts Description Quantity Part Number KMA28 install rack 1 071 00164 0001 Top Molex Connector Shell w key 44 pin ke...

Страница 8: ...IRED BUT NOT SUPPLIED a Circuit Breaker 1 ea 3 amp b Speaker 4 Ω c Headphone Jacks Stereo as Required d Microphone Jacks as Required e Headphones 150 Ω Stereo up to 6 as required f Microphones up to 6 as required g Marker Antenna 75 MHz VSWR 1 1 5 50 ohm and cable RG400 R U h Interconnect Wiring 1 8 LICENSE REQUIREMENTS None ...

Страница 9: ...nts supplied with the list in 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 Honeywell If the unit or accessories shows any sign of external shipping damage contact Honeywell to arrange for a replacement Under no circumstances attempt to install a damaged unit in an aircraft Equipment returned to Honeywel...

Страница 10: ...l void the 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 KMA 28 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 eli...

Страница 11: ...nal features are added 2 4 3 1 Stereo KMA 28 installations into existing monaural PS Engineering PMA6000 PMA6000M Installations replacing PMA6000 or PMA6000M require re wiring of the top connector to accommodate the stereo configuration See appendixes for detailed interconnect informa tion 2 4 4 Power The KMA 28 is compatible with both 14 and 28 Volt DC systems A two 2 Amp circuit breaker is requi...

Страница 12: ...tor LEDs 2 4 9 Unswitched inputs J1 pin T is the unswitched input number 1 and J1 pin 17 is unswitched input 2 These inputs are presented to the pilot and copilot regardless of the audio configuration and will always mute the entertainment inputs These 510Ω inputs can be used for altimeter DH audio GPS waypoint audio autopilot disconnect tones air to ground Flitefone tele phone ringer or any other...

Страница 13: ...e entertainment equipment can cause undesired interference with other aircraft systems Before takeoff operate the en tertainment 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 de vices All entertainment devices must be switched off for both takeoff and landing 2 4 10 1 3Entertainme...

Страница 14: ...hich will place all microphones on the intercom This can also be connected through a momentary switch to serve as a VOX test switch if desired Because the IntelliVox will close in the presence of a steady tone this pin is used in testing to defeat the IntelliVox software 2 5 Marker Installation The marker beacon receiver is included in the KMA 28 2 5 1 Middle Marker Sense A Middle Marker sense out...

Страница 15: ...p of the aircraft while the other communications antenna is in stalled on the bottom Any antenna relocation must be accomplished in accordance with AC 43 13 2A aircraft manufacturers recommendations and FAA approved technical data Warning Itisprobable that radio interference will occur in the split mode when the frequencies of the two aircraft radios are adjacent and or the antennas are physically...

Страница 16: ... be installed to have full access to the cellphone system The copilot hook switch is a SPST switch that connects pin L of J2 on the KMA 28 to ground to place the copilot on the cellphone KMA 28 J2 pin M is the passenger hook switch Install a SPST switch in a location adja cent to each passenger headset where cellphone use is desired When pin M is connected to ground through any switch the passenge...

Страница 17: ... 8 J 9 K 10 L 11 M 12 N 13 P 14 R 15 S 16 T 17 U 18 V 19 W 20 X 21 Y 22 Z Entertainment 2 In L J2 Top Connector 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 Out Cellphone...

Страница 18: ...fy proper transmit and receive operation from the copilot position noting that the copilot PTT switch allows proper transmission on the selected transceiver 6 Verify that pushing the COM 2 button causes the button to illuminate and the Com 2 receiver to be heard Verify operation on Com 1 from the pilot position 7 Repeat for Com 2 and Com 3 if installed 8 Rotate the mic selector switch to the COM 1...

Страница 19: ... eliminate the need for the avionics shop to reduce the 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 Cellular Interface Checkout When a wireless telecommunication system is installed and configured a dial tone will appear in the headset of the pilot wh...

Страница 20: ...ary mic selector switch The users can identify which receivers are selected by noting which of the green switch LEDs are illuminated Push buttons labeled Nav 1 Nav 2 DME MKR Marker ADF AUX auxiliary and SPR Speaker are latched type switches When one of these buttons is pressed it will stay in the in position Press the switch again and it will be in the out position and remove that receiver from th...

Страница 21: ...lk PTT will be heard over the aircraft radio Turning the rotary switch to the COM 2 position will place pilot and copilot on Com 2 The KMA28 gives priority to the pilot s PTT If the copilot it transmitting and the pilot presses his PTT the pilot s microphone will be heard over the selected com transmitter Turning the mic selector fully counterclockwise places the pilot and copilot on Com 3 Com 3 r...

Страница 22: ...ue to the nature of VHF communications signals and the size constraints in general aviation aircraft it is probable that there will be some bleed over in the Split mode particularly on adjacent frequencies In addition if the Com radios in the installation utilize a transmit interlock system the split mode may not work properly unless the interlock feature is disabled Honeywell makes no expressed o...

Страница 23: ...es Motorola Elite M70 M75 SC 725 Motorola Bag Phones Mobiles NEC100 Series 110 120 180 Sport NEC 700 800 Series OKI 900 910 AT T 3730 3710 OKI 1150 1145 AT T 3760 Fujitsu PCX Mitsubishi 4000 DiamondTel 22X 20X 18X NEC960 NEC DT2000 Digital Phone NOTE NOTE NOTE NOTE Unauthorized use of cellular telephone devices in aircraft is subject to FCC enforcement action which may include a 10 000 fine per in...

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 ISO Up Position The pilot is isolated from the intercom and is connected only to the aircraft radio system He will hear the aircraft radio reception and sidetone during radio transmissions Copilot will hear passengers intercom and Entertainment ...

Страница 25: ...le all pas sengers will hear the Entertainment 2 source While in the CREW mode pilot and copilot will hear entertainment input 1 while the passengers may listen to entertainment input 2 3 4 2 4 Soft Mute and Soft Mute inhibit The Soft Mute feature assures that the aircraft radio transmissions will not be missed due to entertainment playing When there is radio reception or intercom conversation the...

Страница 26: ... sel in TEL Passengers have phone through Hook Switch Passengers hear phone audio This mode allows the pilot and copilot to con centrate on flying while the passengers can communicate amongst themselves 3 5 Marker Beacon Operation The Marker Beacon Receiver uses visual and audio indicators to alert you when the air craft passes over a 75 MHz transmitter The audio from the Marker Beacon Receiver ca...

Страница 27: ...ith their respective hook switch the pilot selects TEL on the mic selector Any passenger who places their switch into the off hook position will also have access to the phone and all four passengers will hear the conversation In ISO intercom mode when the KMA28 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 ...

Страница 28: ... in 34 29 mm Weight 1 5 lb with tray and connectors 68 kg 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 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 A 1 Cutout size for rear mount installation 1 30 in 33 02 mm 6 2 in 152 7 mm Keying Pin Keying P...

Страница 29: ...dio Amplifier Intercom Marker Beacon Receiver 006 10565 0000 Appendix A Rev 0 Sept 00 211 233 231 223 133 111 123 113 6 37 6 28 C 0 35 0 60 1 31 0 65 1 25 5 25 0 80 0 65 0 75 0 11 6 95 Figure 4 1 Tray Dimensions in inches ...

Страница 30: ...Bendix King KMA28 Audio Amplifier Intercom Marker Beacon Receiver 006 10565 0000 Appendix A Rev 0 Sept 00 Top View 5 94 in 7 48 in 6 21 in 6 28 1 25 1 35 Figure 4 2 Unit External Dimensions in inches ...

Страница 31: ...Bendix King KMA28 Audio Amplifier Intercom Marker Beacon Receiver 006 10565 0000 Appendix A Rev 0 Sept 00 Figure 4 3 Tray Assembly Drawing ...

Страница 32: ...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 Mkr Audio In Hi Mkr Audio In Lo Ext Mkr Audio 21 ADF Audio Hi ADF Audio Lo ADF Receiver S AUX Audio Hi AUX Audio Lo AUX Audio 11 Notes 1 Pins 7 U and X not used 2 All shields should be grounded at audio panel only Other end remains floating 3 Speaker and...

Страница 33: ...h V VOX Override Ent 2 Mute M Passenger Hook Switches Reserved Note 3 Notes 2 4 Note 7 Ent 2 Audio L Ent 2 Audio R Ent 2 Audio Lo Swap J2 TOP CONNECTOR 1 Pin C is reserved 2 All shields should be grounded at audio panel only Other end remains floating 3 Reserved 4 All phone and mic jacks must be floating from ground 5 Keying between pin 4 5 6 All should be MIL 22750 or 27500 Minimum 24 AWG conduct...

Страница 34: ...raft records All work accomplished listed on Work Order Instructions for Continuing Airworthiness Sample ICA Checklist for KMA28 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 manual referenced on FAA Form 337 including interface ...

Страница 35: ...ent 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 teste...

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