Orion Car Audio owner manual Autosound 2000 Troubleshooting Tips

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AUTOSOUND 2000 TROUBLESHOOTING TIPS

QUICK CHECK FOR TROUBLESHOOTING CAR AUDIO SYSTEMS

Preface:

All audio systems exhibit noise; however, if the level of noise is low enough, and the signal level high enough, noise should not be a problem. This means that it is very important that the signal level throughout the system be optimized BEFORE dealing with your noise problem. Using a scope (or a small portable amplifier) and Track 99 (1kHz at all high bits) of Autosound 2000’s CD #101, or tracks 24 through 29 of Autosound 200’s CD #102, adjust the system so that when the maximum usable signal level of the deck is fed into the system, all the preamp level components clip at the same time. However, we recommend up to as much as a 3:1 voltage overlap with the power amplifiers; i.e. an amplifier with a 2 volt minimum sensi- tivity can be driven by up to 6 volts of signal.

Noise Overview:

Car audio electrical accessories are notorious for interfering with car audio systems. The interference commonly arises from three areas:

1)Power line noise (5%), which can be attenuated with in-line noise filters,

2)Inadequate power supply isolation (45%), which can be cured with transformer signal coupling, additional isolated power supplies, or changing out components, or

3)Inductive interference (45%) - Including loop area inductive noise picked up by the signal cables - which can be remedied by relocating or rewiring components, rerouting signal cables, or using twisted cable or balanced transmission systems.

AUTOSOUND 2000 1-2-3 METHOD OF LOGICAL TROUBLESHOOTING

I.MUTE THE AMP(S). Insert a muting plug (shorted male RCA connector) into each amplifier channel. Turn up the amp sensitivity. Start the car and turn on the headlights, air conditioning, brake lights, etc. Listen for noise in each speaker. Be very picky here!

A.If still noisy, substitute a small test speaker with short leads for the speakers, crossovers, and speaker leads in the car. If still noisy, substitute an isolated power supply (120 VAC to 13.8 VDC bench supply or a small motorcycle battery) for the car’s alternator. If the amplifier is noisy with the test speaker, you have a BAD amp. Send it in. It really doesn’t matter if it is quiet or noisy while running on the isolated supply because you have a BAD amp. Send it in for repair and if it was quiet on the isolated supply, indicate so on the repair tag.

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Contents Xtreme 200/400.4 Table of Contents T R O D U C T I O N Practice Safe Sound About this ManualRecord Your Serial Number and Date WHAT’S in the BOX Warranty Page Specifications XtremeCrossover Technical Design Features XtremeTechnical Design Features System Planning SystemAmplifier System Planning System Planning System Planning Amplifier System Planning System Planning Installation Tools of the TradePower Connections Channel Stereo Configuration Speaker ConnectionsSingle Bridged Configuration TRI-MODE 3-CHANNEL Configuration Channel Stereo Configuration Channel STEREO/BRIDGED Configuration TWO-CHANNEL Bridged Configuration TRI-MODE 6-CHANNEL Configuration Output Configurations Channel Amplifier Input Configurations Internal Crossover ConfigurationSignal Input and Output Level Controls Fine Tuning the CrossoverChoosing Mounting Locations Passenger CompartmentGeneral Precautions and Installation Tips Step by Step Installation Testing the System Adjusting the Sound of the System Page Troubleshooting Tips Symptom Probable Cause Action to TakePage Quick Check for Troubleshooting CAR Audio Systems Autosound 2000 Troubleshooting TipsAutosound 2000 1-2-3 Method of Logical Troubleshooting Time for Processors Summation Page High Performance CAR Audio