Table of Contents
Troubleshooting
Summary of Contents for decrane aerospace EN-907W Series
- Page 1 Installation Manual EN-907W-X-Y Dual-Port Subwoofer Speaker Enclosure Document # 540282 7300 Industry Drive, North Little Rock, AR 72117 Phone: 501-955-2929 Fax: 501-955-2988 www.decraneaerospace.com Arrow.com. Downloaded from...
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Page 2: Document Revision History
DeCrane Aerospace Audio International, Inc. EN-907W-X-Y Installation Manual Document Revision History Rev. Level Date Description 04/2009 Initial Release Reference Documents (or latest revision) Document # Description 524651 Rev IR1 EN-907W-X-Y Outline Drawing Service Bulletin List Service Manual Revision Subject Bulletin #... -
Page 3: Table Of Contents
DeCrane Aerospace Audio International, Inc. EN-907W-X-Y Installation Manual Table of Contents Section Description Page General Information ...... -
Page 4: General Information
Enclosures. The EN-907W-X-Y is a high quality speaker that provides a richer sound. The Dual-Ported Subwoofer Speaker Enclosures used in combination with DeCrane Aerospace Audio International' s high range mid/tweet or full range enclosures provide unsurpassed cabin audio, whether from movies, live TV or radio, or CD/DVD/MP3 entertainment. -
Page 5: Optional Equipment
DeCrane Aerospace Audio International, Inc. EN-907W-X-Y Installation Manual Optional Equipment DeCrane Aerospace Audio International offers a comprehensive family of Cabin Control Modules for PC interfaces. These modules provide convenient solutions for a variety of frequently encountered interfacing needs or special requirements and are an important part of DAAI’s “building block”... -
Page 6: Installation
Inspect the unit for shipping damage. 3.2.2 If damage has occurred during shipping, a claim should be filed with DeCrane Aerospace Audio International WITHIN 24 hours and a Return Request Authorization Number shall be obtained from DAAI by contacting the Repair Department at 501.801.8101. -
Page 7: Wiring Requirements
DeCrane Aerospace Audio International, Inc. EN-907W-X-Y Installation Manual 3.3.3 DO NOT install near heat sources such as direct sunlight, warm air exhausts, or heaters. 3.3.4 No scheduled maintenance is required to ensure continued airworthiness. 3.3.5 ESD (Electro Static Discharge) guidelines shall be followed. -
Page 8: Electrical Characteristics
DeCrane Aerospace Audio International, Inc. EN-907W-X-Y Installation Manual Electrical Characteristics Electrical Maximum Power Input 100 WRMS EN-907W-4-x = 4 Audio Impedance EN-907W-8-x = 8 to 4 Minimum DCR Impedance to 8 Maximum Audio Frequency Response 52 Hz to 2 kHz... -
Page 9: Troubleshooting
DeCrane Aerospace Audio International, Inc. EN-907W-X-Y Installation Manual Troubleshooting Introduction Most functional problems will be detected during the post installation test; refer to Post-Installation Test, Section 3.9. Once the unit has passed these tests, it can be functional for many years of service. Most problems with sound quality are not due to subwoofer performance, but instead are caused by source equipment or faulty audio material. -
Page 10: Troubleshooting Chart
DeCrane Aerospace Audio International, Inc. EN-907W-X-Y Installation Manual • The RS-485 data bus is a bi-directional bus that does not have a ‘bus controller’. The bus uses a differential digital signal that will transmit only when commands are entered via switch selection or other system synchronizing commands. -
Page 11: Reference Drawings
DeCrane Aerospace Audio International, Inc. EN-907W-X-Y Installation Manual Reference Drawings The following diagrams show the unit dimensions, mounting locations, and connector locations for the EN-907W-X-Y. Document # 540282, Rev IR, 04/2009 Page 10 of 11 Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. -
Page 12: Environmental Qualification Data
DeCrane Aerospace Audio International, Inc. EN-907W-X-Y Installation Manual Environmental Qualification Data Manufacturer’s Specification and/or applicable Specification: AI-SPEC-0501 ETL Report D-7195 Revision & Change Number of DO-160: C Date Tested: 8/27/97 Document # 540282, Rev IR, 04/2009 Page 11 of 11 Arrow.com.
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