Installation & Operation Manual MCD-104-01-x 10 Disc CD Player/Changer Document # 540245 a DeCrane Aircraft Company 7300 Industry Drive, North Little Rock, AR 72117 Phone: 501-955-2929 Fax: 501-955-2988 www.audiointl.
Audio International, Inc. MCD-104-01-x Installation & Operation Manual Document Revision History Rev. Level IR Date 06/2002 Description Initial Release Reference Documents Document # 522146 Rev A1 Description MCD-104-01-x Outline Drawing Service Bulletin List Service Bulletin # Subject Manual Revision Revision Date Table of Illustrations Section # Description Page # 2.2 Block Diagram 4-5 7.
Audio International, Inc. MCD-104-01-x Installation & Operation Manual Table of Contents Section 1.0 1.1 1.2 1.3 1.4 Description General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Purpose of the Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . Operational Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Optional Equipment . . . . . . . . . . . . . . . . . . .
Audio International, Inc. MCD-104-01-x Installation & Operation Manual MCD-104-01-x 10 Disc CD Player/Changer 1.0 General Information 1.1 Introduction This manual contains information for the installation of Audio International, Inc. (AI) 10 Disc CD Player/Changer, Model Number MCD-104-01-x. The “-x” suffix included in the model number designates the type of connector utilized; “1” = Positronic and “2” = D-Subminiature. Also included are mechanical and electrical characteristics of the units. 1.
Audio International, Inc. 1.4 MCD-104-01-x Installation & Operation Manual Optional Equipment Audio International, Inc. offers a comprehensive family of Cabin Control Modules for PC interface. These modules provide convenient solutions for a variety of frequently encountered interfacing needs or special requirements and are an important part of AI’s “building block” system for configuring total cabin management. Contact your AI representative for details. 2.0 Application 2.
Audio International, Inc. MCD-104-01-x Installation & Operation Manual The unit can also be configured for IR remote control utilizing AI’s remote control unit AI-RCx-17xxxx and IFR-9A. This following configuration utilizes a +5 VDC digital logic level for activation of infrared commands. Connection to multiple IFR-9A units utilizing the +5 VDC digital logic level connection requires an external Schottkey diode at each IFR-9A unit. This will prevent signal loading. Contact AI for details.
Audio International, Inc. 2.4 MCD-104-01-x Installation & Operation Manual Potentiometer Settings Right and left output level adjustments are located on the side of the unit. The adjustment potentiometers allow the user to change the output level between 1 and 5 VRMS. To increase the level, turn the potentiometer screw clockwise; to decrease, turn the screw counterclockwise. 3.0 Installation 3.1 Prior to Installation 3.1.
Audio International, Inc. 3.3 MCD-104-01-x Installation & Operation Manual 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. 3.3.2 DO NOT remove any factory-installed screws. Damage to the unit may result and void any warranties. 3.3.
Audio International, Inc. 3.4 MCD-104-01-x Installation & Operation Manual Compact Disc Care 3.4.1 When playing a disc for the first time, check that there are no burrs stuck in the center hole of the disc. 3.4.2 Do not touch the playback side of the disc; do not apply tape to either side of the disc. 3.4.3 Do not store discs in hot locations or in areas exposed to direct sunlight. Do not store in damp, moist areas. 3.4.4 Do not stack loose discs or prop them against anything.
Audio International, Inc. 3.5.2 MCD-104-01-x Installation & Operation Manual AI’s Proprietary RS-485 Data Bus The MCD-104-01-x is designed to interface with other Audio International equipment via AI’s proprietary RS-485 serial data bus. The data bus shall be implemented using a twisted shielded pair cable in accordance with the standard military specification of MIL-DTL-27500 or equivalent. The wire size for the conductors in this cable shall be 22 AWG, MINIMUM.
Audio International, Inc. 3.7 MCD-104-01-x Installation & Operation Manual Electrical Characteristics 3.7.1 Electrical Specifications: Electrical Power Operating Voltage Range Data Bus Type Audio Frequency Response Audio Output Audio S/N Dynamic Range Channel Separation Infrared Input 1A Maximum @ +28 VDC +18 to +30 VDC AI Proprietary RS-485 20 Hz to 20 kHz 1 to 5 VRMS (2 kΩ minimum load) Factory preset at 2 VRMS 93 dB (nominal) 93 dB 85 dB +5 VDC Digital Logic Level 3.7.
Audio International, Inc. 3.9 MCD-104-01-x Installation & Operation Manual Pinout Assignment and Descriptions Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 3.10 Description +28 VDC Power In Ground R+ Audio Output R- Audio Output L+ Audio Output L- Audio Output Data Bus (A) Data Bus (B) Infrared Input + Infrared Input IR Strap 2 IR Strap 3 IR Strap 4 IR Strap Common Reserved Post-Installation Test 3.10.1 With the aircraft power ON, apply power to the MCD-104-01-x.
Audio International, Inc. 4.0 MCD-104-01-x Installation & Operation Manual Operation 4.1 Introduction 4.1.1 The MCD-104-01-x can be operated via front panel buttons or optionally controlled by infrared remote or AI’s touch screen panel. Digital codes allow the unit to interface with an infrared handheld remote via an infrared receiver, IFR-9A or IFR-485. Multiple units can be controlled independently using available programming pins. 4.1.
Audio International, Inc. MCD-104-01-x Installation & Operation Manual Press the FORWARD DISC SEARCH button once and release. The unit will advance to the next CD and resume play at the first track. Press the button repeatedly to advance through multiple CDs. Stop pressing when the desired CD is reached and playback will begin. Pressing the REPEAT button toggles between Repeat Track 1 (REP 1), Repeat CD (REP2), or Cancel. Press the REPEAT button until the desired setting appears (REP 1 or REP 2).
Audio International, Inc. 4.3 MCD-104-01-x Installation & Operation Manual Optional Remote Operation The following functions can be controlled using Audio International’s optional remote control unit customized for your system configuration. 4.3.1 To Play a CD: With a magazine loaded in the changer, press the play/pause button on the remote. The first CD will begin to play. The display on the control head will indicate the numbers of the CD and track that is playing.
Audio International, Inc. MCD-104-01-x Installation & Operation Manual 4.3.5 To Use Shuffle Mode: Press the shuffle button on the remote. The display on the control head will indicate SHUF1. The unit will play all tracks on a CD in random order and advance to the next CD in sequential order. Press the shuffle button a second time. The display on the control head will indicate SHUF2. The unit will play all tracks on all CDs in random order.
Audio International, Inc. • • 5.3 MCD-104-01-x Installation & Operation Manual To check data bus integrity, utilizing a voltmeter, oscilloscope, or other voltage instrument, verify proper input voltage on the data bus pins. Typical measurements with no device(s) on bus transmitting are as follows: A-to-Ground : 4.0 to 4.5 VDC B-to-Ground : 0.1 to 1.0 VDC If any device is transmitting (i.e.
Audio International, Inc. 7.0 MCD-104-01-x Installation & Operation Manual Reference Drawings The following diagrams show the unit dimensions, mounting locations, and connector locations for the MCD-104-01-x.
Audio International, Inc.
