Kenwood KDC-8020 Instruction Manual

Also see for KDC-8020: Service manual

Kenwood KDC-8020 Instruction Manual Manual pdf 27 page image

— 27 —What might seem to be a malfunction in your unit mayjust be the result of slight misoperation or miswiring.Before calling service, first check the following tablefor possible problems.General? The power does not turn ON.01✔ The fuse has blown.☞ After checking for short circuits in the wires, replace the fuse withone with the same rating.✔ No ACC position on vehicle ignition.02☞ Connect the same wire to the ignition as the battery wire.? Nothing happens when the buttons are pressed.04✔ The computer chip in the unit is not functioning normally.☞ Press the reset button on the unit (page 4).? There’s a source you can’t switch.06✔ There’s no CD inserted.☞ Set the media you want to listen to. If there’s no media in thisunit, you can't swhich to each source.✔ The Disc changer isn’t connected.08☞ Connect the Disc changer. If the Disc changer isn’t connected toit's input terminal, You can't switch to an external disc source.? The faceplate does not open or close.09✔ The faceplate is incorrectly attached.☞ Reattach the faceplate correctly, See the section on the Faceplate>(page 10).? The memory is erased when the ignition is turned OFF.10✔ The battery wire has not been connected to the proper terminal.☞ Connect the wire correctly, referring to the section on.✔ The ignition and battery wire are incorrectly connected.11☞ Connect the wire correctly, referring to the section on.? Even if Loudness is turned ON, high-pitched tone isn't compensatedfor. 17✔ Tuner source is selected.☞ High-pitched tone isn't compensated for when in Tuner source.? The Bass center frequency, Bass quality factor, Bass extend, Middlecenter frequency, Middle quality factor, and Treble center frequencycan’t be adjusted.19✔ The (page 20) is set OFF.☞ Set it ON.? No sound can be heard, or the volume is low.✔ The fader or balance settings are set all the way to one side.21☞ Center the fader and balance settings.✔ The input/output wires or wiring harness are connected incorrectly.22☞ Reconnect the input/output wires or the wiring harness correctly.See the section on .✔ The values of Volume offset are low.24☞ Increase the values of Volume offset. (page 8)? The sound quality is poor or distorted.25✔ One of the speaker wires is being pinched by a screw in the car.☞ Check the speaker wiring.✔ The speakers are not wired correctly.27☞ Reconnect the speaker wires so that each output terminal isconnected to a different speaker.? The Security Code item isn’t displayed in the Menu System.32✔ The Security Code function is already activated.☞ When the Security Code function is activated it isn’t displayed inthe menu items.? The Touch Sensor Tone doesn’t sound.34✔ The preout jack is being used.☞ The Touch Sensor Tone can’t be output from the preout jack.? Even though the vehicle light switch is turned ON, the unit’s displaywon’t dim.36✔ The dimmer wire isn’t connected.☞ Connect the dimmer wire correctly.Tuner source? Radio reception is poor.39✔ The car antenna is not extended.☞ Pull the antenna out all the way.✔ The antenna control wire is not connected.40☞ Connect the wire correctly, referring to the section on.Troubleshooting Guide

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