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Fabricant : Audiovox
Taille : 64.2 kb
Nom Fichier : 7091c339-f48c-4c63-9013-a0bf8db49fd4.pdf
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Facilité d'utilisation
Tighten the screw down to secure the wire. 1. Power Connection The battery terminal (+12V) must be connected directly to the positive terminal of the vehicle battery to provide an adequate voltage source and minimize noise. Connecting the battery terminal lead to any other point (such as the fuse block) will reduce the power output and may cause noise and distortion. Use only #16 gauge or thicker (smaller gauge #) wire for this lead and connect it to the terminal of the battery after all other wiring is completed. 2. Ground Connection The ground terminal (GND) connection is also critical to the correct operation of the amplifier. Use a wire of the same gauge as the power connection (#16 or thicker) and connect it between the ground terminal (GND) of the amplifier and a metal part of the vehicle close to the mounting location. This wire should be as short as possible and any paint or rust at the grounding point should be scraped away to provide a clean metal surface to which the end of the ground wire can be screwed or bolted. 3. Remote Turn-On Connection The amplifier is turned on by applying +12 volts to the remote turn-on terminal (REM). The wire lead to this terminal should be connected to the "Auto-Antenna" lead from the car stereo which will provide the +12 volts only when the car stereo is turned on. If the car stereo does not provide an Auto-Antenna lead, the remote turn-on lead may be wired to an "Accessory" or "Radio" terminal in the car's fuse block. This will turn the amplifier on and off with the ignition key, regardless of whether the car stereo is on or off. The remote turn-on lead does not carry large currents, so #20 gauge wire may be used for this application. -4 WIRING INSTRUCTIONS 4. Speaker Connections Wire the speakers to the "Speaker Output" terminals as per the Output Wiring Diagram. For most applications, #18 gauge wire should be used for the speaker leads but in no case thinner than #20 gauge. When wiring the speakers, pay careful attention to the polarity of the terminals on the speakers and make certain they correspond to the polarity of the corresponding terminals on the amplifier. DO NOT ground any speaker leads to the chassis of the vehicle. 5. Input Connections This amplifier features both high and low-level input capability. Use either the low-level or high-level inputs, not both. If low-level outputs are provided from the car stereo, it is recommended that the low-level inputs be used for lowest distortion and best performance. Use good quality shielded audio cables with RCA plugs at both ends to connect the stereo to the amplifier and keep the cable lengths to a minimum to avoid noise. If the car stereo does not provide low-level outputs, the amplifier may be connected via the speaker (high-level) outputs from the stereo. Wire the speaker leads from the car stereo to the 5-pin adaptor harness as shown in the diagram (shielded cable is not required for this application) and plug the connector into the mating High-Level Input connectors on the amplifier. Carefully splice and insulate all wire connections. CAUTION: Use either the low-level or the high-level inputs on the amplifier. DO NOT use both input levels at the same time. -5 INPUT WIRING DIAGRAM -6 WARNING! . NEVERCOMBINE (BRIDGE) OUTPUTS FOR USE WITH 2 SPEAKERS. . NEVERGROUND NEGATIVE SPEAKER LEADS TO CHASSIS GROUND. . FAILURE TO WIRE CORRECTLY MAY CAUSE DAMAGE TO THE AMPLIFIER. OUTPUT WIRING DIAGRAM -7 OPERATION 1 2 32 After initial set-up, the amplifier should not require any increase the output from the system. If, however, there further adjustment unless there is a change in the car is still output from the amplifier when the car stereo stereo or speaker system with which it is used. volume control is at its minimum setting, or the output level increases too fast with a small rotation of the volume 1 Power Indicator LED control, adjust the Gain control to decrease the output The Power Indicator LED will illuminate to indicate that from the system. Once the correct setting is found, these the unit is connected to the battery and that the controls should not require any further adjustment. Remote Turn-On terminal is receiving +12 volts, thus turning on the amplifier. 3 Fuse 2 (Gain) Controls The circuitry of the amplifier is protected from damage by an automotive-type fast-blow fuse. If fuse replacement is The amplifier is capable of operating from sources necessary, use only fuses of the same ampere rating as supplying a wide range of input levels. The Gain control should initially be set to the mid-rotation position. If it is originally supplied with the unit. The use of fuses with found that there is not enough output even when the incorrect ratings may cause serious damage to the volume control on the car stereo is at its maximum setting, amplifier. If fuses blow consistently, carefully check all adjust the Gain control of the respective channels to electrical connections to the unit. -8 AUDIOVOX CORPORATION (the ...