User manual KENWOOD KAC-726

[. . . ] · Do not touch the unit during use because the surface of the unit becomes hot and may cause burns if touched. · Do not open the top or bottom cover. · Do not install the unit in places it is exposed to direct sunlight, high heat or humidity, water may splash over it, or dust exists. NOTE If you have difficulty in installing this unit in your vehicle, contact your Kenwood dealer. Cleaning the unit If the surface is dirty, wipe it clean with a silicon cloth or soft dry cloth with the power off. 2CAUTION Do not use hard cloths or paint thinner, alcohol, or other volatile solvents. These may damage external surfaces or remove indicator characters. 2CAUTION Take the following precautions to keep the unit in proper working order. · Be sure the unit is connected to a 12V DC power supply with a negative ground connection. Accessories Part name Battery cable (Yellow) (6 m) Ground cable (Black) (1 m) Self-tapping screws (ø4 × 16 mm) Terminal cover (Power terminal) External View Number of Items 1 1 4 1 Part name Round terminal (Large) Round terminal (Medium) Round terminal (Small) Grommets External View Number of Items 1 2 1 1 2 Installation procedure 1. [. . . ] Use the diagram on the right as a guide. 15 10 0. 5 0. 3 1. 0 MIN (W) MAX 25 4 NOTE For the pre-output level or the maximum power output, refer to the "Specifications" in the instruction manual of the center unit. 5 LINE IN terminal 6 Speaker level input terminals 7 Fuse (20 A × 2 : KAC-726) Fuse (15 A : KAC-526X) 8 Battery terminal 9 Ground terminal 0 Power control (REMOTE) terminal !SPEAKER OUTPUT terminals Protection function This unit is equipped with a protection function for protecting this unit and your speakers from various accidents or problems that can occur. When the protection function is triggered, the Power indicator goes off and the amplifier stops operating. s 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. Power indicator s The protection function activates in the following situations: · When a speaker output contacts ground. · When the unit malfunctions and a DC signal is sent to the speaker output. · When the temperature of internal parts exceeds 120°C (248°F). · When a ground cable 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. 5 Connection sRCA cable connection 2CAUTION Do not connect cables and leads to both RCA cable input jacks and the speaker input terminals simultaneously, for this may cause malfunction or damage. Left input Left output (White) Right output (Red) RCA cable (Commercially available part) Right input SPEAKER LEVEL INPUT LEFT RIGHT LINE IN 0. 3 CENTER UNIT (Cassette receiver, CD receiver, etc. ) Power control cable FILTER OFF LPF OPERATION STEREO MONO(Lch) 0. 5 1. 0 L R GND MIN MAX INPUT SENSITIVITY(V) RCA cable ground terminal 2CAUTION When using an RCA cable with Do not use this terminal for power source a ground lead attached, connect grounding. power source grounding wire is connected to this terminal. sSpeaker level input connection Connect the unit by inserting it in the connection between the genuine-accessory car stereo and speakers. Left output Right output Genuine-accessory car stereo ACC Speaker level input terminals Lead terminal (Commercially available parts) + - Battey Left input OPERATION SPEAKER LEVEL INPUT LEFT RIGHT LINE IN 0. 3 Right input FILTER OFF LPF STEREO MONO(Lch) 0. 5 1. 0 L R GND MIN MAX INPUT SENSITIVITY(V) 2CAUTION · The genuine-accessory car stereo shall have a maximum power output of no more than 25 W. · Do not connect the speaker output leads from a power amplifier (Optional) to the speaker 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 input terminals simultaneously, for this may cause malfunction or damage. [. . . ] Before calling service, first check the following table for possible problems. (No sound from one side. ) POSSIBLE CAUSE · Input (or output) cables are disconnected. The input sensitivity adjusting control is not set to the correct position. [. . . ]