Subscribe to Our Youtube Channel
Related Manuals for Audio international PA-475-01-x
Summary of Contents for Audio international PA-475-01-x
- Page 1 Installation & Operations Manual Model #: PA-475-01-x Stereo/Subwoofer Amplifier Document #540144 7300 Industry Drive, North Little Rock, AR 72117 Phone: 501-955-2929 Fax: 501-955-2988 www.audiointl.com...
- Page 2 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. Document #540144, Rev. IR, 1/2000...
-
Page 3: Table Of Contents
Audio International, Inc. PA-475-01-x Installation & Operations Table of Contents Section Description Page General Information ……………………………………………. Introduction ……………………………………………………….. Purpose of the Equipment ………………………………………. Operational Features……………………………………………... Optional Equipment ……………………………………………… Application ……………………………………………………….. Introduction ……………………………………………………….. Block Diagram – Typical Application …………………………… Data Bus Control………………………………………………….. -
Page 4: General Information
Introduction This manual contains information for the proper application, installation, and operation of the Audio International, Inc. (AI), Stereo/Subwoofer Power Amplifier, Model No: PA-475-01-x. The “-x” suffix designates the type of connector utilized. Also included are physical and electrical characteristics of the unit. -
Page 5: Optional Equipment
Contact your AI representative for details. Application Introduction The PA-475-01-x is part of a complete cabin audio entertainment system. The application of the unit is specific to a particular aircraft based on the desires of the customer or designer. Block Diagram – Typical Application 2.2.1 Bi-Level Mode Application... - Page 6 Audio International, Inc. PA-475-01-x Installation & Operations 2.2.2 Split Level Mode Application 2.2.3 The PA-475-01-x provides amplification on four (4) channels at 75 watts RMS minimum with output impedance of 4-ohms. This amplifier is configurable via AI’s proprietary RS485 serial data bus as dual independent stereo amplifiers or as one stereo amplifier and one bi-level amplifier.
-
Page 7: 2.3 Data Bus Control
(8) amplifiers. There are no controls on the PA-475-01-x. Operational control of the unit is handled by commands via AI’s proprietary RS485 serial data bus. -
Page 8: Installation
• Length of cable runs • Location of other aircraft systems (i.e. oxygen delivery) 3.1.2 The PA-475-01-x must 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 9: Cautions & Warnings
Audio International, Inc. PA-475-01-x Installation & Operations 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 10: Physical Characteristics
Electrical Characteristics 3.6.1 Refer to Section 6.0 for electrical specifications. 3.6.2 Two connectors are available on the PA-475-01-x. P1 is an 11-pin connector designed to mate with an “Amphenol” connector. The signals interfaced through P1 are two sets of left/right speaker outputs, +28 VDC main input, and +28 VDC emergency input. -
Page 11: Pinout Assignment Descriptions
3.9.1 Verify +28 VDC power has been connected to the unit. With the aircraft power “ON”, select a piece of audio source equipment and operate the unit to create audio signal to the PA-475-01-x. Verify output is present at each speaker or subwoofer connected to the amplifier. -
Page 12: Operations
Operations Introduction Power to the PA-475-01-x is initiated when the aircraft power is turned “ON”. The power remains “ON” at all times and amplified audio output is generated whenever a source is selected, operated, and ensure speakers are in the “ON”... -
Page 13: Troubleshooting
Audio International, Inc. PA-475-01-x Installation & Operations Troubleshooting General Troubleshooting Procedures Many problems can be isolated with the following general techniques: • To verify power to the unit, recheck +28 VDC power is applied to the proper pins on the unit. Use a voltmeter to verify correct level. -
Page 14: Specifications
Audio International, Inc. PA-475-01-x Installation & Operations Specifications Unit Specifications Physical Specifications Housing Aluminum Dimensions (L x W x H) 8.0” x 4.74” x 2.69” 20.32cm x 12.04cm x 6.83cm Weight 2.6 lbs / 1.16 kg Electrical Specifications Power 5A nominal, 12A maximum @ +28 VDC... -
Page 15: Reference Drawings
Audio International, Inc. PA-475-01-x Installation & Operations Reference Drawings The following diagrams show the unit dimensions and connector locations for the PA-475-01-x. All dimensions are shown in inches. Document #540144, Rev. IR, 1/2000 Page 15 of 15...
Need help?
Do you have a question about the PA-475-01-x and is the answer not in the manual?
Questions and answers