Audio international PA-475-A Installation Manual

Pa-475-a (-b) (-c) audio amplifiers installation manual

Advertisement

Quick Links

Installation Manual
Model #: PA-475-A (-B) (-C)
Audio Amplifier
Document #540021
7300 Industry Drive, North Little Rock, AR 72117
Phone: 501-955-2929 Fax: 501-955-2988
www.audiointl.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the PA-475-A and is the answer not in the manual?

Questions and answers

Summary of Contents for Audio international PA-475-A

  • Page 1 Installation Manual Model #: PA-475-A (-B) (-C) Audio Amplifier Document #540021 7300 Industry Drive, North Little Rock, AR 72117 Phone: 501-955-2929 Fax: 501-955-2988 www.audiointl.com...
  • Page 2 Reference Drawings PROPRIETARY INFORMATION NOTICE: Despite any other copyright notice, this document and information disclosed herein contains confidential, proprietary designs owned by Audio International, Inc. Neither this document nor the data contained herein shall be reproduced, used or disclosed to anyone without the written authorization of Audio International, Inc.
  • Page 3: Table Of Contents

    Audio International, Inc. PA-475-A (-B) (-C) Installation Table of Contents Section Description Page General Information ……………………………………………. Introduction ……………………………………………………….. Purpose of the Equipment ………………………………………. Operational Features …………………………………………….. Optional Equipment ……………………………………………… Application ……………………………………………………….. Introduction ……………………………………………………….. Block Diagram – Typical Application …………………………… Installation ………………………………………………………..
  • Page 4: General Information

    General Information Introduction This manual contains information for the proper installation and operation of the Audio International, Inc. (AI) Audio Amplifiers, Models # PA-475-A, PA-475-B, and PA-475-C. Also included are physical and electrical characteristics of the unit. Purpose of the Equipment The PA-475-A, PA-475-B, and PA-475-C are Class “D”...
  • Page 5: Application

    PA-475-A (-B) (-C) Installation Application Introduction The PA-475-A, PA-475-B, and PA-475-C are audio amplifiers that will produce stereo audio output for the entertainment system and monaural audio for page / chime. Up to four (4) midrange / tweeter and four (4) subwoofers can be connected to an amplifier.
  • Page 6: Installation

    • Environmental conditions (temperature, humidity, etc.) • Length of cable runs 3.1.2 The PA-475-A (-B) (-C) shall be installed to conform to the standards designated by the customer, installing agency, and existing conditions as to the unit location and type of installation.
  • Page 7: Cautions & Warnings

    Audio International, Inc. PA-475-A (-B) (-C) Installation Cautions and Warnings 3.3.1 It is important to do a pin-to-pin power and ground check on all connectors. Ensure that power and ground are applied only where specified. Damage to the unit may result if power or ground is applied to the wrong points.
  • Page 8: Physical Characteristics

    Audio International, Inc. PA-475-A (-B) (-C) Installation 3.4.5 Data Bus Lines All data bus connections require twisted shielded cable with the cable shields properly grounded. Twisted shielded cable must be in accordance with MIL-W-27500 or equivalent. The wire size for the conductors in this cable is to be 22 AWG (minimum).
  • Page 9: Mating Connector Information

    Audio International, Inc. PA-475-A (-B) (-C) Installation Mating Connector Information All wiring harnesses to the unit are supplied and fabricated by the installing agency. Pin # Part Number Description MS3126F-18-11S Mating Connector RD15F10HVL0 Mating Connector MS3126F-10-6S Mating Connector Pinout Assignment Descriptions...
  • Page 10: Post-Installation Test

    Audio International, Inc. PA-475-A (-B) (-C) Installation Post-Installation Test With the aircraft power “ON”, test the audio amplifier. Any unit connected to the RS485 data bus may be used to test proper operation of the unit. While an entertainment audio unit is sending audio signals through the amplifier, key and speak into a microphone to ensure that the page / chime overrides the entertainment audio.
  • Page 11: Specifications

    Audio International, Inc. PA-475-A (-B) (-C) Installation Specifications Unit Specifications Physical Specifications Housing Aluminum Dimensions 9.3” x 4.9” x 4.0” (L x W x H) 23.6cm x 12.5cm x 10.2cm Weight PA-475-A 5.1 lbs / 2.31 kg PA-475-B (-C) 5.3 lbs / 2.40 kg...
  • Page 12: Reference Drawings

    Audio International, Inc. PA-475-A (-B) (-C) Installation Reference Drawings The following diagrams show the unit dimensions and connector locations for the PA-475-A (-B) (-C). All dimensions are shown in inches. Document #540021, Rev. C, 4/2000 Page 12 of 12...

This manual is also suitable for:

Pa-475-bPa-475-c

Table of Contents