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Audio International, Inc.

AI-ST100X Installation Manual

Document # 540048, Rev A, 03/2002

Page 12 of 12

6.2

Front View

6.3 Rear

View

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Summary of Contents for AI-ST100X

Page 1: ...7300 Industry Drive North Little Rock AR 72117 Phone 501 955 2929 Fax 501 955 2988 www audiointl com Installation Manual AI ST100X Stereo Power Amplifier Document 540048 a DeCrane Aircraft Company ...

Page 2: ...tin Subject Manual Revision Revision Date Table of Illustrations Section Description Page 2 2 Block Diagram Typical Application 4 2 3 Auxiliary Power 5 6 0 Reference Drawings 11 12 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 containe...

Page 3: ...ion 4 2 3 Auxiliary Power 5 3 0 Installation 5 3 1 Prior to Installation 5 3 2 Unpacking and Inspection 6 3 3 Cautions Warnings 6 3 4 Wiring Requirements 7 3 5 Physical Characteristics 7 3 6 Electrical Characteristics 8 3 7 Mating Connector Information 8 3 8 Pinout Assignment Descriptions 9 3 9 Post Installation Test 9 4 0 Troubleshooting 10 4 1 General Troubleshooting Procedures 10 4 2 Troublesho...

Page 4: ... high performance excellent frequency response and clear sound quality A soft turn ON feature is incorporated into the unit to eliminate unwanted noise 1 2 2 The unit takes and amplifies low level audio signals to properly drive loudspeaker systems Left and right channel potentiometers for audio input level gain adjustment are located on the rear of the unit 1 3 Optional Equipment Audio Internatio...

Page 5: ... high performance excellent frequency response and clear sound quality 2 1 2 An externally accessible 5 amp fuse protects the two 2 output channels The fuse ports are located on the rear of the unit Replace with Littelfuse fast blow part number F123 ND or equivalent AGC 5 2 1 2 Left and right channel gain potentiometers are located on the rear of the unit for audio input level adjustment Turn the ...

Page 6: ...her devices i e source equipment Convenience for user interface if applicable Access for service repair if applicable Location of other aircraft systems i e oxygen delivery 3 1 1 The AI ST100X 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 3 1 2 Mounting screws are required to secu...

Page 7: ...rom AI Refer to the front cover of this manual for address and telephone number of Audio International Repackage the unit in its original packaging materials and return it to AI following instructions given by the AI representative If no return is necessary retain the packing materials for storage or reshipment if necessary 3 3 Cautions and Warnings 3 3 1 It is important to do a pin to pin power a...

Page 8: ...6 AWG MINIMUM shielded twisted pair with the shield properly bonded at one end only Power ground wires shall be bonded to electrically FRQGXFWLYH FKDVVLV PRXQWLQJ SRLQW ZLWK UHVLVWDQFH RU impedance Additionally ensure that the chassis grounding post is bonded to aircraft frame ZLWK UHVLVWDQFH RU LPSHGDQFH All wires shall be in accordance with the standard military specification of MIL W 22759 or e...

Page 9: ...ration Outputs 12 VDC 1 amp each Do not exceed total combined current rating of 3 amps 3 6 2 P1 provides left and right audio input remote turn on input 28 VDC input for 12 VDC supply and 12 VDC output 3 6 3 P2 provides 28 VDC power input ground and left right stereo speaker output 3 6 4 The auxiliary power supply converts incoming 28 VDC to 12 VDC A 1 5 amp fuse is provided for this auxiliary pow...

Page 10: ...ments are accomplished via the gain potentiometers on the rear of the unit To increase amplification rotate the potentiometers in a clockwise direction to decrease amplification rotate in a counter clockwise direction P1 P2 Pin Description Pin Description 1 R Audio Input A 28 VDC Power Input Amp 2 R Audio Input B Ground 3 L Audio Input C R Stereo Speaker Output 4 L Audio Input D R Stereo Speaker O...

Page 11: ...nit for security Check all harness runs for possible pinching Recheck all pinouts for application accuracy Verify the on off selection is properly applied 4 2 Troubleshooting Chart Problem Possible Cause Solution No sound Unit improperly installed No audio material in source unit Fuse blown Verify 28 VDC power and audio input is present Insert audio material in source unit Replace fuse Contact AI ...

Page 12: ...Inc AI ST100X Installation Manual Document 540048 Rev A 03 2002 Page 11 of 12 6 0 Reference Drawings The following diagrams show the unit dimensions mounting locations and connector locations for the AI ST100X 6 1 Top View ...

Page 13: ...Audio International Inc AI ST100X Installation Manual Document 540048 Rev A 03 2002 Page 12 of 12 6 2 Front View 6 3 Rear View ...

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