Name: Manual for KDC-X790 KDC-MP732
Brand: KENWOOD
Availability: InStock

Troubleshooting and error codes

Problem	Cause/Solution
The power does not turn ON.	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.	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 doesn't connected. 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.	The ignition and battery wire are incorrectly connected. Connect the wire correctly, referring to the section on <Connecting Wires to Terminals>.
There's no loudness effect.	You're using Subwoofer preout. Loudness has no effect in Subwoofer preout.
The TEL mute function does not work.	The TEL mute wire is not connected properly. Connect the wire correctly, referring to the section on <Connecting Wires to Terminals>.
The TEL mute function turns ON even though the TEL mute wire is not connected.	The TEL mute wire is touching a metal part of the car. Pull the TEL mute wire away from the metal part of the car.
Even if Loudness is turned ON, high-pitched tone isn't compensated for.	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. Center the fader and balance settings. The input/output wires or wiring harness are connected incorrectly. Reconnect the input/output wires or the wiring harness correctly. See the section on <Connecting Wires to Terminals>. The values of Volume offset are low. Turn up the Volume offset, referring to the section on <Audio Setup> (page 12). The <Built-in Amp Setting> (page 41) is OFF. Turn it ON.
The sound quality is poor or distorted.	One of the speaker wires is being pinched by a screw in the car. Check the speaker wiring. The speakers are not wired correctly. Reconnect the speaker wires so that each output terminal is connected to a different speaker.
The Touch Sensor Tone doesn't sound.	The preout jack is being used. The Touch Sensor Tone can't be output from the preout jack.
Even though Synchronize Clock is ON, the clock can't be adjusted.	The received RDS station isn't sending time data. Receive another RDS station.
The Dimmer function does not work.	The Dimmer wire is not connected correctly. Check the Dimmer wire connection. The <Dimmer> (page 41) is OFF. Turn it ON.
The sound is not output from Subwoofer or it outputs the different sound.	When "2 ZONE" of <Audio Setup> (page 12) is set to ON. Turn OFF "2 ZONE" of <Audio Setup>.
The display blacks out while scrolling.	<Display Illumination Control> is set to OFF. Refer to <Display Illumination Control> (page 41).
Radio reception is poor.	The car antenna is not extended. Pull the antenna out all the way. The antenna control wire is not connected. Connect the wire correctly, referring to the section on <Connecting Wires to Terminals>.
The desired frequency can't be entered with the Direct Access Tuning.	A station that can't be received is being entered. Enter a station that can be received. You're trying to enter a frequency with a 0.01 MHz unit. What can be designated in the FM band is to 0.1 MHz.
It isn't the set Traffic information sound volume.	The set sound volume is less than the tuner sound volume. If the tuner sound volume is louder than the set sound volume, the tuner sound volume is used.
"AUX EXT" is displayed without achieving External disc control mode.	Unsupported disc changer is connected. Use the disc changer mentioned in the <About CD players/disc changers connected to this unit> (page 4) of the section on <Safety precautions>.
The specified disc does not play, but another one plays instead.	The specified CD is quite dirty. Clean the CD. The disc is loaded in a different slot from that specified. Eject the disc magazine and check the number for the specified disc. The disc is severely scratched. Try another disc instead.
A CD ejects as soon as it is loaded.	The CD is quite dirty. Clean the CD, referring to the CD cleaning of the section on <About CDs> (page 7).
Can't remove disc.	The cause is that more than 10 minutes has elapsed since the vehicle ACC switch was turned OFF. The disc can only be removed within 10 minutes of the ACC switch being turned OFF. If more than 10 minutes has elapsed, turn the ACC switch ON again and press the Eject button.
The disc won't insert.	There's already another disc inserted. Press the [▲] button and remove the disc.
Direct Search can't be done.	Another function is ON. Turn Random Play or other functions OFF.
Track Search can't be done.	For the discs/folders first or last song. For each disc/folder, Track Search can't be done in the backward direction for the first song or in the forward direction for the last song.
Cannot play an Audio file.	The media is scratched or dirty. Clean the media, referring to the CD cleaning of the section on <About CDs> (page 7).
The sound skips when an Audio file is being played.	The media is scratched or dirty. Clean the media, referring to the CD cleaning of the section on <About CDs> (page 7). The recording condition is bad. Record the media again or use another media.
The Audio file track time isn't displayed correctly.	There are times when it isn't displayed correctly according to the Audio file recording conditions.
Supreme does not take effect when it is turned ON.	Little high-frequency component. Supreme would not take effect with songs with little high-frequency component. Songs that have not been encoded at bit rates at 96 kbps or less (fs = 32k, 44.1 k, 48 kHz) or those that have been encoded at a variable bit rate cannot be decoded to reproduce their high-frequency components.
No sound can be heard, or the volume is low. (HD Radio source)	The preset broadcast station is not transmitting in the mode that was set with <Receive mode Setting> (page 47). Please set <Receive mode Setting> to "Auto". In digital AM broadcasting, receive mode switches between stereo and monaural too often. Receiving condition is bad or unstable. Stereo is chosen when receiving condition is good, and it switches to monaural when the condition becomes bad.
HD Radio tuner is connected to KCA-S210A or other units.	Connect the HD Radio tuner directly to this unit.