Troubleshooting guide – Kenwood eXcelon KDC-X759 User Manual
Page 42

English
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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 switch to each 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 17). ? 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. ? The Bass center frequency, Bass quality factor, Bass extend, Middle 19 ✔ The ☞ Set it ON. ? No sound can be heard, or the volume is low. 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 11) ✔ The 100 ☞ Turn it OFF. ? 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. ? Non-fading output, Non-fading Low Pass Filter and Non-fading 28 ✔ The 29 ☞ Turn it ON. ✔ The 30 ☞ Turn it OFF. ? There’s no Front High Pass Filter and Rear High Pass Filter effect. 31 ✔ The Non-fading preout is being used. ☞ There’s no effect in Non-fading preout. ? 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. Troubleshooting Guide KDC-X859_U.S_r1 01.12.10 9:40 AM Page 42
center frequency, Middle quality factor, and Treble center frequency
can’t be adjusted.
✔ The fader or balance settings are set all the way to one side.
setting can’t be done.