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Istruzioni per l'uso Orion Car Audio, Modello HCCA 150R

Produttore : Orion Car Audio
File Size : 1.32 mb
File Nome : Orion_HCCA150R_Owners_Manual.pdf
Lingua di insegnamento: en
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Refer to the Internal Crossover section of this manual for detailed instructions. Impedance load at amplifier is too low Check speaker impedance toad. If below If below recommended impedance loads, rewire speakers to achieve a higher impedance. Battery fuse blowing Short in power wire or incorrect power connections. Check power and ground connections and fix or repair as needed. Fuse used is smaller than recommended Replace with proper fuse size. Too much current being drawn Check speaker impedance load. If below If below recommended impedance loads, rewire speakers to achieve a higher impedance. Check power and ground connections and fix or repair as needed. Amplifier fuse blowing Too much current being drawn Check speaker impedance load. If below If below recommended impedance loads, rewire speakers to achieve a higher impedance. Replace with recommended size fuse if needed. Check power and ground connections and fix or repair as needed. Fuse used is smaller than recommended Replace with proper fuse size. Impedance load at amplifier too low Check speaker impedance load. If below If below recommended impedance loads, rewire speakers to achieve a higher impedance. Speaker is blown with shorted outputs Chedc system with know working speakers and fix or replace as needed. page 42 AUTOSOUND 2000 TROUBLESHOOTING TIPS QUICK CHECK FOR TROUBLESHOOTING CAR AUDIO SYSTEMS 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 2000'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 sensitivity 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. page 43 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. B. If your muted amp is quiet, you've just joined 99.5% of car audio. Amps are usually very clean and do NOT pick up unwanted noise! Continue on to Step II. II. DECK TO AMP. Using a new set of signal cables, connect one channel from the output of the deck directly into one channel of your clean amp. Run the cables outside the car and as far away as possible from the metal of the car. (For noise purposes, consider a 2“ thick cushion of electromagnetic energy emanating from every metal surface in the car.) A. If still noisy, congratulations, in all probability your equalizer, electronic crossover, DSP whatchamacallit, are just fine. This means that you can't get your deck playing quiet with your amp, right? Go to Step III. B. If all is quiet, congratulations, in all probability your deck and amplifier(s) are fine - you obviously have a problem with your equalizer, electronic crossover, DSP, etc. Skip on down to "Time for the Processors." III. MOVE THE DECK. If you're at this step, it is time to turn your system into an "amplified deck" by temporarily relocating the deck right ON TOP of the clean amplifier. Then using very, very short signal cables, connect the output of the deck into the input of the amp and test for noise. Play a zero bit track - sile...


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