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Northern Airborne Technology SM251 Installation And Operation Manual

Passenger speaker amplifier
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Installation and Operation Manual

Model 251
Passenger Speaker Amplifier
SM251
ISSUE 2.00
Northern Airborne Technology Ltd.
1925 Kirschner Road
Kelowna, BC, Canada.
V1Y 4N7
Telephone (250) 763-2232
Facsimile (250) 762-3374
Issued on the authority of Northern Airborne Technology Ltd.
Copyright 1998

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Summary of Contents for Northern Airborne Technology SM251

  • Page 1: Installation And Operation Manual

    Installation and Operation Manual Model 251 Passenger Speaker Amplifier SM251 ISSUE 2.00 Northern Airborne Technology Ltd. 1925 Kirschner Road Kelowna, BC, Canada. V1Y 4N7 Telephone (250) 763-2232 Facsimile (250) 762-3374 Issued on the authority of Northern Airborne Technology Ltd. Copyright 1998...
  • Page 2 Number Revision Number 2.00 Section 1 Rev: 1.00 Rewritten in full NAT format Oct 28, 2009 Section 2 Rev: 1.00 Section 3 Rev: 1.00 Installation and Operation Manual Page ii ENG-FORM: 820-0114.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 3: Table Of Contents

    Wiring Diagram 2.4.8 Pin Assignment 2.4.9 Post-Installation Checks Adjustments and Connections 2-10 Accessories Required But Not Supplied 2-10 Installation Drawings 2-11 Operation Introduction General Information Installation and Operation Manual Page iii ENG-FORM: 820-0114.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 4: Description

    Information in this section consists of product description, design features and specifications for the Model 251 Passenger Speaker Amplifier. All derivative product information shall be contained in the applicable manual supplement, which may be obtained from Northern Airborne Technology Ltd. as required.

  • Page 5: Specifications

    Volume control range is 30 dB (minimum) controlled by a 10,000-ohm, 1/2-Watt, linear pot. Maximum volume is with maximum resistance. Section 1 Rev: 1.00 Issue 2 Page 1-2 ENG-FORM: 800-0115.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
  • Page 6 3% for PA and briefer to all outputs (300 Hz to 6 KHz). Isolation Between Channels: 60 dB, minimum. Output Noise: Greater than 75 dB below rated, all outputs. Section 1 Rev: 1.00 Issue 2 Page 1-3 ENG-FORM: 800-0115.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 7: Physical Specifications

    High pass filters adjusted for -3 dB attenuation at 20 Khz on left and right speaker outputs. Designed for use with 4-inch speakers. Section 1 Rev: 1.00 Issue 2 Page 1-4 ENG-FORM: 800-0115.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
  • Page 8 The receiver inputs and switches are not available. c) The briefer switch input is externally grounded, disabling the Stereo Left input and the Stereo Right input. Section 1 ends Section 1 Rev: 1.00 Issue 2 Page 1-5 ENG-FORM: 800-0115.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 9: Installation

    2.2.1 Warranty All Northern Airborne Technology Ltd. products are warranted for 2 years from date of installation by an authorized Northern Airborne Technology Ltd. dealer, to be free of defects in workmanship or performance. This warranty covers all materials and labour, but is exclusive of any transport to deliver the defective unit to and from Northern Airborne Technology Ltd.

  • Page 10: Warnings

    Verify that the selected circuit breaker size and wire gauge are adequate for the installation using the techniques specified in AC43.13-1B Change 1, Paragraphs 11-47 through 11-51 and 11-66 through 11-69. Section 2 Rev: 1.00 Issue 2 Page 2-2 ENG-FORM: 805-0120.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 11: Mechanical Installation

    Unlike the speaker outputs, the monitor outputs cannot be deselected or muted independently of the normal input switching circuits. Section 2 Rev: 1.00 Issue 2 Page 2-3 ENG-FORM: 805-0120.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 12: Operating Modes

    However, the amplifiers will not be damaged. Section 2 Rev: 1.00 Issue 2 Page 2-4 ENG-FORM: 805-0120.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 13: Wiring Diagram

    Model 251 Passenger Speaker Amplifier SM251 Installation and Operation Manual 2.4.7 Wiring Diagram Section 2 Rev: 1.00 Issue 2 Page 2-5 ENG-FORM: 805-0120.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
  • Page 14 Model 251 Passenger Speaker Amplifier SM251 Installation and Operation Manual Wiring Diagram (continued) Section 2 Rev: 1.00 Issue 2 Page 2-6 ENG-FORM: 805-0120.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
  • Page 15 Model 251 Passenger Speaker Amplifier SM251 Installation and Operation Manual Wiring Diagram (continued) Section 2 Rev: 1.00 Issue 2 Page 2-7 ENG-FORM: 805-0120.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 16: Pin Assignment

    No Connection Right Monitor Output LO No Connection Speaker Mute Speaker Enable Left Monitor Output LO No Connection Left Monitor Output HI Section 2 Rev: 1.00 Issue 2 Page 2-8 ENG-FORM: 805-0120.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 17: Post-Installation Checks

    Upon satisfactory completion of all performance checks, make all required log book entries, electrical load, weight and balance amendments and other documentation as required by your local regulatory agency before releasing the aircraft for service. Section 2 Rev: 1.00 Issue 2 Page 2-9 ENG-FORM: 805-0120.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 18: Adjustments And Connections

    D09SV-IKC consists of: Quantity Description NAT Part No. D-min 9 Socket Housing 20-21-009 MS Crimp Socket 20-26-901 9 Pin JVL Hood/Locklever 20-29-090 Section 2 Rev: 1.00 Issue 2 Page 2-10 ENG-FORM: 805-0120.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 19: Installation Drawings

    1.00 Passenger Speaker Amplifier 1000 and up 1.52 Passenger Speaker Amplifier Outline 1000 and up Section 2 ends following the above documents Section 2 Rev: 1.00 Issue 2 Page 2-11 ENG-FORM: 805-0120.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
  • Page 20 Category X, no test performed Sand and dust 12.0 Category X, no test performed Fungus resistance 13.0 Category X, no test performed Rev: 1.00 Jul 28, 2009 Page 1 of 2 ENG-FORM: 521-0102.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
  • Page 21 - Tests of DO-160C, Section 6.0, were conducted at Eldec Corporation and meet requirements based on similarity to Models 207 and 407. End of Environmental Qualification Form Rev: 1.00 Jul 28, 2009 Page 2 of 2 ENG-FORM: 521-0102.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 23: Operation

    The Model 251 Passenger Speaker Amplifier has no operator accessible controls. During installation, it may be determined that internal level adjustments are required. Qualified personnel only shall complete internal level adjustments. Section 3 ends Section 3 Rev: 1.00 Issue 2 Page 3-1 ENG-FORM: 806-0114.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

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