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Related Manuals for Audio international PA-9075-x01-x
Summary of Contents for Audio international PA-9075-x01-x
- Page 1 Installation Manual PA-9075-x01-x Serial Digital Cabin Audio Amplifier Document # 540312 a DeCrane Aircraft Company 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
14-15 PROPRIETARY 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-9075-x01-x Installation Manual Table of Contents Section Description Page General Information ……………………………………………. Introduction ……………………………………………………….. Purpose of the Equipment ………………………………………. Optional Equipment ……………. .…………………………….. Application ……………………………………………………….. Function Control…………………………………………………... ON/OFF Functionality…………………………………………….. State Priorities…………………………………………………….. ID inputs…………………………………………………………… Typical Interfaces…………………………………………………. Typical Application………………………………………………... -
Page 4: General Information
Purpose of the Equipment Audio International’s PA-9075-x01-x Serial Digital Cabin Audio Amplifier is a four-output Class D amplifier that accepts stereo AES-3 digital audio, analog PA microphone and briefer audio, and can generate chime and ring tones. -
Page 5: Optional Equipment
Application The unit itself has no active controls. Functional control of the PA-9075-x01-x is accomplished via the RS-485 data bus interface from a controlling device located in the aircraft cabin. A series of LEDs monitors functionality. These LEDs monitor Main Power, Emergency Power, Databus Receive, Databus Transmit State, and speaker on/off for each of the outputs. -
Page 6: State Priorities
2.5.1 Audio Input (Digital) — Typical interfaces include various types of audio source equipment. This unit is capable of interfacing and accepting input from Audio International and standard COTS (Commercial-Off-The-Shelf) audio source equipment using the AES-3 digital audio standard. - Page 7 Audio International, Inc. PA-9075-x01-x Installation Manual 2.5.3 Discrete Inputs — Activation of a Passenger Address Mic, Cabin Briefer, Weight-On-Wheels (WOW), Chime In, Low Tone Chime In, Two-tone Chime In, and Call In can be done with a standard switch/relay/etc. PA MIC KEY — Pulling this discrete input pin to power ground (<0.7 V) routes balanced PA microphone audio from the PA...
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Page 8: Typical Application
Audio International, Inc. PA-9075-x01-x Installation Manual Typical Application—Block Diagram Note that for the PA-9075-201-x, low frequency (woofer) speaker outputs are designated as OUT 2 in the above diagram. Document # 540312, Rev A, 01/2006 Page 7 of 15... -
Page 9: Installation
• Environmental conditions (temperature, humidity, etc.) • Length of cable runs 3.1.2 The PA-9075-x01-x 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 10: Unpacking And Inspection
Audio International, Inc. PA-9075-x01-x Installation Manual Unpacking and Inspection 3.2.1 Carefully open the packaging and remove the PA-9075-x01-x. Verify that all components have been included in the package per the packing list. Inspect the unit for damage. Retain the packing materials and packing list. -
Page 11: Wiring Requirements
(6) inches between the lines. 3.4.2 Power Wires The PA-9075-x01-x can consume 13 Amps (maximum), which should NOT be routed through one (1) 22 AWG wire. Audio International recommends that all five (5) power supply wires use... -
Page 12: Electrical Characteristics
Audio International, Inc. PA-9075-x01-x Installation Manual Electrical Characteristics 3.5.1 Electrical Specifications, PA-9075-x01-x: Electrical Maximum Power 13.0 A @ +28 VDC Nominal Power 1.0 A @ +28 VDC Operating Range +18 to +32 VDC Microphone Bias 35 mA (max) Interface Unbalanced, 600... -
Page 13: Pinout Assignment Descriptions
Audio International, Inc. PA-9075-x01-x Installation Manual Pinout Assignment Descriptions PA-9075-x01-x J1 Description Description Left Speaker 1 (Full Range for -202) HI Left Speaker 2 (Woofer for -202) HI Reserved Emergency Bus +28 VDC In Left Speaker 1 (Full Range for -202) LO... -
Page 14: Instructions For Continued Airworthiness
Instructions for Continued Airworthiness Airworthiness Limitations No periodic scheduled maintenance or calibration is required for continued airworthiness of the PA-9075-x01-x. If the unit fails to perform to specifications, it must be removed and serviced by a qualified service facility. General Troubleshooting Procedures •... -
Page 15: Reference Drawings
Audio International, Inc. PA-9075-x01-x Installation Manual Reference Drawings The following diagrams show the unit dimensions, mounting locations, and connector locations for the PA-9075-x01-x. Document # 540312, Rev A, 01/2006 Page 14 of 15... - Page 16 Audio International, Inc. PA-9075-x01-x Installation Manual Document # 540312, Rev A, 01/2006 Page 15 of 15...
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