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Instructions Kenwood, Modèle KAC-7204

Fabricant : Kenwood
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• If the fuse blows, check wires for shorts, then replace the fuse with one of the same rating. • Check that no unconnected wires or connectors are touching the car body. Do not remove caps from unconnected wires or connectors to prevent short circuits. • Connect the speaker wires to appropriate speaker connectors separately. Sharing the negative wire of the speaker or grounding speaker wires to the metal body of the car can cause this unit to fail. NOTE • Do not connect cables and leads to both RCA cable input jacks and the speaker level input terminals simultaneously, for this may cause malfunction or damage. Speaker level input connections • The genuine-accessory car stereo shall have a maximum power output of no more than 40 W. • The power is turned on and off as the unit detects input signal (Signal Sensing Turn-ON). There fore it is not necessary to connect the power control wire. Speaker output terminals • Stereo Connections: The speakers to be connected should have an impedance of 2. or greater. • Bridged Connections: Make connections to the LEFT channel 9 and the RIGHT channel · SPEAKER OUTPUT terminals. The speakers to be connected should have an impedance of 4. or greater. LINE OUT terminal The signal that’s input from the line input terminal is output. Fuse 40 A . 1 Left speaker Right speaker Speaker (Bridged) Terminal cover ¦ Power wire and Speaker wire connection • RCA cable connections • Speaker level input connections Power control wire* (RCA cable connection) Genuine-accessory car stereo (No line output center unit etc.) * Commercially available parts • Stereo Connections Lead terminal* Left input Right input LINE OUT terminal Cable Color of the connector Left 9 White · White/Black Right 9 Gray · Gray/Black Speaker level input cable English 5 Controls 40 .. .. .. .. .. .. .. .. 40W 15W Specifications Audio Section Max Power Output 1000 W (500 W . 2) Rated Power Output (+B = 14.4 V) Normal (4 .) (20 Hz – 20 kHz, 0.08 % THD) 170 W . 2 Normal (2 .) (1 kHz, 0.8 % THD) 250 W . 2 Bridged (4 .) (1 kHz, 0.8 % THD) 500 W . 1 Frequency Response (+0, –3 dB) 5 Hz – 50 kHz Sensitivity (rated output) 0.2 V – 5.0 V Input Impedance 10 k. Signal to Noise Ratio 100 dB Low Pass Filter Frequency (-24 dB/oct.) 50 – 200 Hz (variable) High Pass Filter Frequency (-12 dB/oct.) 50 – 200 Hz (variable) Bass Boost Circuit (40 Hz) 0 – +18 dB (variable) General Operating Voltage 14.4 V (11 – 16 V allowable) Current Consumption 40 A Installation Size (W . H . D) 350 . 59 . 238 mm Weight 3.2 kg * Specifications subject to change without notice. Troubleshooting Guide What might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems. No sound. (Blown fuse.) . Input (or output) cables are disconnected. . Connect the input (or output) cables. . Protection circuit may be activated. . Check connections by referring to . . Volume is too high. . Replace the fuse and use lower volume. . The speaker cord is shorted. . After check the speaker cord and fixing the cause of the short, replace the fuse. The output level is too small (or too large). . The input sensitivity adjusting control is not set to the correct position. . Adjust the control correctly referring to . The sound quality is bad. (The sound is distorted.) . The speakers wire are connected with wrong 9 / · polarity. . Connect them properly checking the 9 / · of the terminals and wires well. . A speaker wire is pinched by a screw in the car body. . Connect the speaker wire again so that it is not pinched by anything. . The switches may be set improperly. . Set switches properly by referring to . 1 Power indicator When the power is turned on, the Power indicator lights. If the Power indicator does not light when the power is turned on, the protection function may be activated. Check whether there is any indication of trouble. Refer to (page 3). 2 Illumination 3 FILTER switch This switch allows to apply high-pass or low-pass filtering to the speaker outputs. • HPF (High-Pass Filter) position: The filter outputs the band of higher frequencies than the frequency set with the "HPF FREQUENCY" control. • OFF position: The entire bandwidth is output without filtering. • LPF (Low-Pass Filter) position: The filter outputs the band of lower frequencies than the frequency set with the "LPF FREQUENCY" control. The speaker output is automatically switched to monaural (L+R). 4 BASS BOOST LEVEL control Sets the low frequency level to be compensated. 5 INPUT SENSITIVITY control Set this control according to the pre-output level of the center unit connected with this unit, or to the maximum power output of the genuine-accessory car stereo. Use the diagram on the right as a guide. 6 LPF FREQUENCY control Sets the cutoff frequency when the "FILTER" switch is set to "LPF". 7 HPF FREQUENCY control Sets the cutoff...