Kenwood MPV7019 Instruction Manual - Page 32
Troubleshooting Guide, for possible problems.
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English Troubleshooting Guide What might seem 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. General ? The power does not turn ON.01 ✔ The fuse has blown. ☞ After checking for short circuits in the wires, replace the fuse with one 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 5). ? 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 this unit, 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 to it's input terminal, You can't switch to an external disc source. ? 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 . ? There's no loudness effect.12 ✔ You're using Non-fading preout. ☞ Loudness has no effect in Non-fading preout. ? Even if Loudness is turned ON, high-pitched tone isn't compensated for. 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, Middle center frequency, Middle quality factor, and Treble center frequency can't be adjusted.19 ✔ The (page 25) 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 10) ? 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 is connected 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 in the 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. ? The Dimmer function doesn't work. 38-1 ✔ The Dimmer wire isn't connected correctly. ☞ Check the Dimmer wire connection. ? The display color changes subtly. 38-2 ✔ This is because thetemperature is different than the temperature when the setting was done. ☞ The display color condition changes subtly according.to the ambient temperature. - 32 -