KDC-X797/KDC-BT755HD>18. TROUBLESHOOTING>18.2 Operation/ wiring error

18.2 Operation/ wiring error

What might seem to be a malfunction in your unit may just be the result of a slight operation error or a wiring error. Before calling for service, first check the following table for possible problems.

General

ö The key beep does not sound

Í The Preout jack is in use.

ò The key beep cannot be output from the Preout jack.

Í "KEY BEEP" is set to "ON" as mentioned in <3.3 Changing the initial settings>.

ö Sound cannot be heard.

Í Adjust the volume to the optimum level.

Í Check the cords and connections.

Í The connectors are dirty.

ò Clean the connectors. Refer to <Maintenance>.

ö The unit does not turn on.

ö Information shown on the display is incorrect.

Í The connectors are dirty.

ò Clean the connectors. Refer to <Maintenance>.

Tuner source

ö Radio reception is poor.

Í The car antenna is not extended.

ò Pull the antenna out all the way.

Disc source

ö The specified disc does not play, but another one plays instead.

Í The specified CD is quite dirty.

ò Clean the CD with reference to <Handling discs>.

Í The disc is severely scratched.

ò Try another disc instead.

ö Disc cannot be ejected.

Í The unit is malfunctioning for some reason.

ò Press and hold [G] to forcibly eject the disc. Be careful not to drop the disc when it is ejected. If this does not solve the problem, reset the unit.

Audio file source

ö The sound skips when an Audio file is being played.

Í The media is scratched or dirty.

ò Clean the CD with reference to <Handling discs>.

Í The recording condition is bad.

ò Play the media again or use another media.

iHeartRadio source

ö Station cannot be selected.

Í If "Explicit Content" in [Account Settings] is checked in the web version of iHeartRADIO, some stations become unavailable.

Bluetooth source

ö The hands-free talk volume is low.

Í The hands-free talk volume can be adjusted independently.

ò Adjust it during hands-free talk. "MIC GAIN" of <15.4 Changing the Bluetooth detail settings>.

ö No beep is heard at reception of an incoming call.

Í No beep is heard depending on the type of your cell-phone.

ò The "CALL BEEP" of <15.4 Changing the Bluetooth detail settings> is set ON.

ö Voice is not recognized.

Í The vehicle window is open. If the surrounding noise is large, voice cannot be recognized properly.

ò Close the vehicle windows to reduce noise.

Í Small voice. If voice is too small, it cannot be recognized properly.

ò Speak into the microphone a little more loudly and naturally.

ö The sound from the Bluetooth audio player is discontinuous.

Í Another Bluetooth device is affecting the Bluetooth communication. Turn off another Bluetooth device. Move another Bluetooth device away from this unit.

Í Another Bluetooth device or profile is used for communication. The downloading of the Phone book disconnects the sound.

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