User manual KENWOOD KAC-6203

[. . . ] · To prevent a short circuit when replacing a fuse, first disconnect the wiring harness. NOTE · If you experience problems during installation, consult your Kenwood dealer. · If the unit does not seem to be working right, consult your Kenwood dealer. Cleaning the unit If the front panel gets dirty, turn off the power and wipe the panel with a dry silicon cloth or soft cloth. 2 CAUTION Do not wipe the panel with a hard cloth or a cloth dampened by volatile solvents such as paint thinner and alcohol. [. . . ] · When the unit malfunctions and a DC signal is sent to the speaker output. · When the internal temperature is high and unit won't operate. · When a ground wire of the center unit (cassette receiver, CD receiver, etc. ) or this unit is not connected to a metal part serving as an electrical ground passing electricity to the battery's negative - terminal. English 5 Connection Terminal names 40 4 567 8 9 0 4 Fuse (40 A) 5 Battery terminal 6 Ground terminal 7 Power control terminal Controls the unit ON/OFF. Be sure to connect it with all the systems. 9 LINE IN terminal 0 Speaker level input terminals NOTE · The genuine-accessory car stereo shall have a maximum power output of no more than 40 W. · Do not connect the speaker output leads from a power amplifier (Optional) to the speaker level input terminals of this unit, for this may cause malfunction or damage. · 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. · Connect the power control lead to a power supply which can be turned ON/OFF by the ignition key switch (ACC line). With this connection, shock noise may be generated when the power of the genuine-accessory car stereo is switched ON/OFF. 8 Speaker output terminals · Stereo Connections: When you wish to use the unit as a stereo amplifier, stereo connections are used. The speakers to be connected should have an impedance of 2 or greater. When multiple speakers are to be connected, ensure that the combined impedance is 2 or greater for each channel. · Bridged Connections: When you wish to use the unit as a high-output monaural amplifier, bridged connections are used. (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. When multiple speakers are to be connected, ensure that the combined impedance is 4 or greater. 2 CAUTION The rated input of the speakers should be no less than the maximum output of the amplifier. Otherwise malfunction may result. 6 English Installation procedure Since there are large variety of settings and connections possible according to applications, read the instruction manual well to select the proper setting and connection. Remove the ignition key and disconnect the negative - terminal of the battery to prevent short circuits. Set the unit according to the intended usage. Connect the input and output wires of the units. Connect the power wire, power control wire and grounding wire following this order. [. . . ] slope Crossover Frequency 0 dB -3 dB L C Coil (L): Passes low frequencies and blocks high frequencies. (Low pass) Capacitor (C): Passes high frequencies and blocks low frequencies. (High pass) L= 159 x R (mH) fc Frequency 159000 C= (F) fc × R fc=Cut of Frequency (Hz) R=Speaker Impedance () Example: When it is required to set a crossover frequency of 120 Hz using speakers with an impedance of 4 ohms. Prepare commercially-available coil and capacitor with the closest ratings to the results calculated from the formula above. [. . . ]