Guide to Installation & rL Operations Cabin Audio Amplifier Model #: PA-7500A Document #540056 7300 Industry Drive, North Little Rock, AR 72117 Phone: 501-955-2929 Fax: 501-955-2988
AUDIO INTERNATIONAL, INC. 10/97 Revision History Rev. Level Date Description Approved IR Applicable Documents Document # Drawing # 520754 Description PA-7500A Outline Drawing 2 Document #540056, Rev. IR, Model No.: PA-7500A Rev.
AUDIO INTERNATIONAL, INC. 10/97 Service Bulletin List Service Bulletin # Subject Manual Revision # Manual Revision Date List of Illustrations Section No. Description 3 Document #540056, Rev. IR, Model No.: PA-7500A Page No.
AUDIO INTERNATIONAL, INC. 10/97 Table of Contents Section Description Page 1.0 1.1 1.2 1.3 1.4 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Purpose of the Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operational Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUDIO INTERNATIONAL, INC. 10/97 MODEL NO. PA-7500A Cabin Audio Amplifier 1.0 General Information 1.1 Introduction This manual contains information for the installation and operation of the Audio International, Inc. (AI) Cabin Audio Amplifier, Model No. PA-7500A Information within this publication includes relative physical, mechanical, and electrical characteristics. Also included within this publication are additional references needed for installation and operation. 1.
AUDIO INTERNATIONAL, INC. 2.0 10/97 Installation 2.1 Prior to Installation The PA-7500A is a simple module to use and install. All audio input and output cables on the units should be twisted shielded pair (20 AWG minimum, 16 – 18 preferred) unless otherwise specified. The module must be attached to conform to the standards designated by the customer, installing agency, and existing conditions as to the unit location and type of installation.
AUDIO INTERNATIONAL, INC. 2.3 10/97 Cautions & Warnings 2.3.1 All audio connections to the PA-7500A should be shielded and properly grounded. Perform a pin-to-pin check to confirm that all wires terminate in their proper location. It is important to do a power and ground check on the pin connections. Ensure that power and ground are applied only where required. 2.3.2 DO NOT connect or disconnect the PA-7500A while power is applied. 2.3.
AUDIO INTERNATIONAL, INC. 2.6 10/97 Electrical Requirements 2.6.1 The PA-7500A utilizes two connectors. P1 and P2. P1 is a 25 pin connector. The signals interfaced through P1 are left / right speaker, 28 VDC emergency power and woofer outputs. Power requirement is 28 VDC at continuous power output @ 12 amps (15 amp breaker-4 channel). 2.6.2 P2 is a 37 pin connector. The signals interfaced through P2 are PA / chime, briefer, stereo left and right (high and low), RS-485 data bus, and 28 VDC power.
AUDIO INTERNATIONAL, INC. Pin # 10/97 Description Pin # Description P2 1 2 3 4 5 6 7 8 9 10 11 12* 13* 14* 15 16 17 18 19 2.
AUDIO INTERNATIONAL, INC. 10/97 2.9.3 Remove power from the amplifier and verify that the 28 VDC emergency power is supplied to the amplifier. Verify that the subwoofers are disabled while emergency power is applied. Ensure that PA audio can be heard in the speaker system from all respective microphones. 3.0 4.0 Operations 3.1 To operate the PA-7500A, load an audio source with selected material.
AUDIO INTERNATIONAL, INC. 5.2 10/97 Applicable Drawings 5.2.1 The following diagram shows the unit dimensions and mounting hole locations on the PA-7500A audio amplifier. 11 Document #540056, Rev. IR, Model No.
Guide to Installation & rL Operations Cabin Audio Amplifier Model #: PA-7500A Document #540056 Response Due By: 2/9/98 APPROVAL SYSTEM Name Prepared By: Checked By (1): Checked By (2): Checked By (3): Checked By (4): Checked By (5): Checked By (6): Checked By (7): Released By: Signature Date J. Roll, Ed Smith Jeff Honeycutt Lee Bailey Mike Halter Keith Satterfield Kevin Hayes Eric Beverage Andrew Eros Document Control System REVISION HISTORY Rev.
