Kenwood KDC MP225 Instruction Manual - Page 29
Troubleshooting Guide, Tuner source, Disc source - aux
UPC - 019048161000
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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. ? There's a source you can't switch.07 ✔ There's no media inserted. ☞ Set the media you want to listen to. If there's no media in this unit, you can't switch 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 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 compensated for. 17 ✔ Tuner source is selected. ☞ High-pitched tone isn't compensated for when in Tuner source. ? 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 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 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. 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 . Disc source ? "AUX EXT" is displayed without achieving External disc control mode.50 ✔ Unsupported disc changer is connected.51 ☞ Use the disc changer mentioned in the IMPORTANT INFORMATION of the section on (page 4). ? The specified disc does not play, but another one plays instead.52 ✔ The specified CD is quite dirty. ☞ Clean the CD. ✔ The disc is loaded in a different slot from that specified.54 ☞ Eject the disc magazine and check the number for the specified disc. ✔ The disc is severely scratched.55 ☞ Try another disc instead. - 29 -