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Honeywell KMA28 manual

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Table of contents for the manual

  • Page 1

    Installation and Operation Manual BENDIX/KING BENDIX/KING BENDIX/KING BENDIX/KING ® KMA 28 FAA-Approved TSO C50c, C 35d JAA-Approved JTSO-2C 35d, C50c Audio Amplifier /Intercom/ Marker Beacon Receiver Docum ent P/N 006-10565-0000 REVISION 0, SEPTEMBER 2000 W ARNING Prior to export of t h i s docum ent , review for export licens e requirement is ne[...]

  • Page 2

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page i Rev. 0, Sept. 2000 Table of Contents 1 SECTION I GENERAL INFORMATION ......................................................................... 1-1 1.1 INTRODUCTION...............................................................................................[...]

  • Page 3

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page ii Rev. 0, Sept. 2000 2.11.1 O PE RATIO NAL C HECKOUT ...................................................................................... 2-10 2.11.2 R ECEIVER S EN SITI VI TY .................................................................................[...]

  • Page 4

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 1-1 Rev. 0, Sept. 2000 Section I GENE RA L INFORMA TION 1.1 INTRODUCTION The KMA 28 represents the next step in cockpit audio control and intercommunications. Using proprie tary IntelliVox® design, this unit elimina tes the requirements for intercom squelch a[...]

  • Page 5

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 1-2 Rev. 0, Sept. 2000 A six-station voice activated (VOX) intercom is included in the KMA 28. This system has the advanced IntelliVox® circuitry that eliminates manua l adjustments. The sy stem contains six separate VOX mic circuits, and only opens the micro[...]

  • Page 6

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 1-3 Rev. 0, Sept. 2000 1.5 SPECIFICATION S TSO COMPLIANCE Marker Beacon : C35d, C lass A Audio Selector/ Intercom : C50c, Clas s A APPLICABLE DOCUMENTS: RTCA/DO-214 RTCA/DO-14 3 RTCA /DO- 160C RTCA /DO- 178B ENVIRONMENTAL Qu alifications: A1D1/CA (MN)XXXXXXBBB[...]

  • Page 7

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 1-4 Rev. 0, Sept. 2000 Intercom Specifications Intercom Positions : 6 places (w ith indiv idual Intelli VOX® circuits) Music Inputs : 2 (Stereo) Music Muting : >-30 dB "Soft Mute" w hen Com or intercom active. Dist orti on: <1% THD @ 38 m W in[...]

  • Page 8

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 1-5 Rev. 0, Sept. 2000 1.7 EQUIPMENT REQUIRED BUT NOT SUPPLIED a) Circuit Breaker: 1 ea. 3 am p b) Speaker, 4 Ω c) Headphone Jacks (Stereo, as Requ ired) d) Microphone Jack s (as Requ ired) e) Headphones , 150 Ω (Stereo), up to 6 as required f) Microphones[...]

  • Page 9

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 2-1 Rev. 0, Sept. 2000 Section II - Inst allation 2.1 GENERAL INFORMATION 2.1.1 SCOPE This section provides detailed installation and interconnect instructions for the Honey - well, I nc. KMA28 Audio Selector Panel/I ntercom Sy stem with internal Marker Beacon[...]

  • Page 10

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 2-2 Rev. 0, Sept. 2000 2.3.3 Mounting Rack Installation Set the unit aside in a sa fe location until need ed. I nstall the tray using six FHP 6-32 x ½" screws. The audio selector panel must be supported at front and rear of the mounting tray . 2.3.4 Conn[...]

  • Page 11

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 2-3 Rev. 0, Sept. 2000 that y ou use insulated washers to isolate the ground return path from the airframe to all headphone and microphone jacks. 2.4.2 Existing KMA -24 Installation I f the installation replaces a KMA-24 (series –00, -01, -02 or -03), the ex[...]

  • Page 12

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 2-4 Rev. 0, Sept. 2000 2.4.7 "Swap" Mode When a momentary , normally open, push-button switch is connected between pin 10 on the top connector and aircraft ground, the user can switch between Com 1 and 2 by de- pressing this switch without having to [...]

  • Page 13

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 2-5 Rev. 0, Sept. 2000 in the entertainment devices into the sy stem. The audio signal at the entertainment input must be a minimum of 500 mV P-P per channel for optimum music performance. All entertainment devices must be switched off for both takeoff and lan[...]

  • Page 14

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 2-6 Rev. 0, Sept. 2000 pilot’s PTT is activated, his voice i s heard over the speaker. The copi lot can continue to use the selected com. We recommend installing a togg le switch to connect the cabin speaker output (pin W , bottom connector) to a rear or pub[...]

  • Page 15

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 2-7 Rev. 0, Sept. 2000 2.6 Adjustments The KMA 28 is factory adjusted t o accommodate the typical requirements for most ai r- craft c onfigura tions. There a re five ad justments however, tha t will allow the installer to tailor the spec ific functions. Marker[...]

  • Page 16

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 2-8 Rev. 0, Sept. 2000 connected to pin W of the J3 connector. On the AirCel l interface diagram these are list ed as data/fax l ines, but they are used for voice interface in this case. Use a 2-conductor with shield cable, and connect the shield to Pin M of t[...]

  • Page 17

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 2-9 Rev. 0, Sept. 2000 2.9 KMA 28 Pin Assignment s Pilot Phone Audio Hi (Left) Copilot Phone Audio (Lt) Copilot Phone Audio Lo Copilot Phone Audio (Rt) Pass 1 Mic Audio Hi Pass 1 Mic Audio Lo Pass 2 Mic Audio Lo Pass 2 Mic Audio Hi Pass 3 Mic Audio Hi Pass 3 M[...]

  • Page 18

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 2-10 Rev. 0, Sept. 2000 2.10 Post Installation Ch eckout After wiring is complete, verify power is ONLY on pin 20 of the J 1 (bottom connector), and airframe ground on bottom connector pin Z . Failure to do so will cause serious inter- nal damage and void the [...]

  • Page 19

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Page 2-11 Rev. 0, Sept. 2000 15. Verify that the audio selector panel sy stem does not adversely affect any other aircraft sy stem by sy stematically switching the unit on and off, while monitoring the other avionics and electri cal equipment on the ai rcraft. 2.11[...]

  • Page 20

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 3-1 Rev. 0, Sept. 00 Section III KMA 28 OPERA TION GENERAL I NFORMATION KMA28 controls 3.1 Audio Select or Receiver audio is selected through two momentary and six latched, push-button, backlit switches. Com 1 and Com 2 are the mome ntary switches. Because the rota[...]

  • Page 21

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 3-2 Rev. 0, Sept. 00 3.1.3 Public A ddress (PA ) Function The KMA 28 has a public a ddress capa bility when an optional external PA switch is in- stalled. When this switch is put into the PA position, the pilot’s microphone is placed on a speaker output. The copi[...]

  • Page 22

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 3-3 Rev. 0, Sept. 00 3.3.1 Swap Mode (Sw itch from Com 1 to Co m 2 remotely ) With an optional y oke mounted, momentary switch, the pilot can chang e from the current Com transceiver to the other by depressing this switch. When “Swap Mode” is active, an annunci[...]

  • Page 23

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 3-4 Rev. 0, Sept. 00 headphones on the cellphone. The pilot PTT will switch the pilot mic to the COM 1, and allow continued aircraft communications as well. NOTE: Placing the mic selector switch in the TEL position will disable pilot and copilot intercom, as the in[...]

  • Page 24

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 3-5 Rev. 0, Sept. 00 path. Moving y our head through a vent air stream may cause the IntelliVox ® to open momentarily . This is normal. For optimum microphone performance, Honey well recommends installation of a Micro- phone Muff Kit from Oregon Aero (1-800-888-69[...]

  • Page 25

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 3-6 Rev. 0, Sept. 00 3.4.2.3 Entertainment Input The audio selector panel has provisions for two separate entertainment input devices. They operate independently in the KMA28. The volume control does not affect music level. While in the I SO (I solate) mode, the c [...]

  • Page 26

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 3-7 Rev. 0, Sept. 00 Table 3-1 In tercom Modes Mode Pil o t Hears Copilot Hears Passenger Hears Telephone Comments Isolate A/C Radios Pilot S idetone (during radio t ransm is- sion) Entertai nment 1 is Mute d Copilot and passenger intercom Entertai nm ent #1 Pass e[...]

  • Page 27

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 3-8 Rev. 0, Sept. 00 When the inter com is in ALL mode, the pilot can speak on the phone only if the mic se- lector switch is in TEL position. All intercom positions will hear the telephone conversa- tion. Any one who places his or her switch into the “off-hook?[...]

  • Page 28

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Appendix A Rev. 0, Sept. 00 A ppendix A – Installation Drawings 6.32in (160.1 mm) Cutout size for front mount installation 1.35 in (34.29 mm) Weight: 1.5 lb with tray and connectors ( .68 kg) J1 (bottom) J2 (top) Z Y X WV U TS R P N M L K J H FE DCB 22 21 20 19 1[...]

  • Page 29

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /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 Dim ensions in inches[...]

  • Page 30

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /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 Dim ensions in inches[...]

  • Page 31

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Appendix A Rev. 0, Sept. 00 Figure 4-3 Tray Assembly Drawing[...]

  • Page 32

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Appendix B Rev. 0, Sept. 2000 A ppendix 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 DM[...]

  • Page 33

    Bendix/Ki ng KMA28 Audio Amplif ier/Interc om /Marker Beacon Receiver 006-10565-0000 Appendix C Rev. 0, Sept. 2000 A ppendi x C T op Connector Inter connect U 19 10 W 20 X 21 Y 22 Z 1 4 D 16 15 T Notes: 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[...]

  • Page 34

    006-10565-0000 Appendix D Rev. 0, Sept. 2000 A ppendix D- Instructions for F A A Form 337 and Continuing A irw orthiness 7.1 Instructions for FA A Form 337 One method o f airworthiness a ppr oval is thr ough an FAA Form 337, Major Repair and Alter ation (A ir- frame, Pow erplant, Pr opeller, or Appliance) In the case of th e KMA 28, y ou may u se t[...]

  • Page 35

    006-10565-0000 Appendix E Rev. 0, Sept. 2000 A ppendix E RTCA DO160C (EUROCAE ED-14) Environment al Qualifi cation Form Audio Selector P anel/Intercom/Marker Beacon Receiver Part Number: 7000M-S FAA TSO Number: C50c, C35d Class A, JTSO 2C35d and JTSO C50c Manufacturer: PS Engineering I ncorporated 9800 Martel Road Le noir City TN 37772 Conditions S[...]