Related Manuals for Audio international PA-7500A
Summary of Contents for Audio international PA-7500A
- Page 1 Installation Manual PA-7500A Cabin Audio Amplifier Document # 540056A 7300 Industry Drive, North Little Rock, AR 72117 Phone: 501-955-2929 Fax: 501-955-2988 www.audiointl.com...
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Page 2: Document Revision History
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-7500A Installation Table of Contents Section Description Page General Information ....... . -
Page 4: General Information
Purpose of the Equipment The PA-7500A is a class ‘D’, 300 watt, dual stereo power amplifier that takes low audio signal and magnifies it. This audio amplifier delivers high performance, excellent frequency response, and clear sound quality. The unit has a small footprint and generates little heat yet produces dual output, high-powered, high fidelity sound. -
Page 5: Optional Equipment
Audio International, Inc. PA-7500A Installation Optional Equipment Audio International, Inc. offers a complete line of speaker systems to enhance aircraft entertainment system. Contact your representative for details. Application Introduction The PA-7500A will produce stereo audio output for the entertainment system and monaural audio for page / chime. Each amplifier is designed to interface with AI’s proprietary RS-485 serial data bus allowing all... -
Page 6: Installation
• Environmental conditions (temperature, humidity, etc.) • Length of cable runs 3.1.2 The PA-7500A 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-7500A 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-7500A Installation 3.4.4 AI Proprietary RS-485 Data Bus The PA-7500A is designed to interface with other AI equipment via AI’s proprietary RS-485 serial data bus. This is a bi-directional data bus that allows multiple units to be connected simultaneously. -
Page 9: Mating Connector Information
Audio International, Inc. PA-7500A Installation Mating Connector Information All wiring harnesses to the unit are supplied and fabricated by the installing agency. P1 mating connector is SD25F10HVL0. P2 mating connector is SD27F10HVL0. Pinout Assignment and Descriptions Pin # Description Pin # Description Left Speaker 1 –... -
Page 10: Post-Installation Test
Ensure that PA audio can be heard in the speaker system from all respective microphones. 3.9.5 Audio level adjustments are accomplished via AI’s proprietary RS-485 data bus. Contact Audio International, Inc. for setup requirements. Document # 540056A, Rev. A, 7/2000 Page 9 of 11... -
Page 11: Troubleshooting
Audio International, Inc. PA-7500A Installation Troubleshooting Guide 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 12: Reference Drawings
Audio International, Inc. PA-7500A Installation Reference Drawings The following diagrams show the unit dimensions and connector locations for the PA-7500A. All dimensions are shown in inches. Document # 540056A, Rev. A, 7/2000 Page 11 of 11...