Kenwood KRC-708, KRC-X858 instruction manual Troubleshooting Guide, Problem Possible Cause Solution

Page 45

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.

PROBLEM

POSSIBLE 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.

 

 

 

No sound can be heard, or the

Attenuator is turned on.

Turn off Attenuator.

volume is low.

 

 

The fader or balance settings are set all the way to one

Reset the fader or balance settings.

 

 

 

 

side.

 

 

 

 

 

 

 

The input/output wires or wiring harness are connected

Reconnect the input/output wires or the wiring harness

 

 

incorrectly.

correctly. See the section on "Connecting Wires to

 

 

 

Terminals".

 

 

 

 

 

 

The cassette tape is bad.

Try playing another cassette tape. If works fine, the first

 

 

 

tape was bad.

 

 

 

 

 

 

The values of “V OFFSET” are low.

Increase the values of “V OFFSET”. (see p. 9)

 

 

 

The tape does not go in. /

The car ignition was turned off during tape eject; or the

Press the Eject button.

No sound can be heard even

tape was pulled out during loading, switching the mode

 

though the tape display is made.

to tape mode even though no tape is in.

 

 

 

 

Nothing happens when the

The computer chip in the unit is not functioning normally.

Press the reset button on the unit (see p. 4).

buttons are pressed.

 

 

 

 

 

The sound quality is poor or

The tape head is dirty.

Clean the tape head, referring to the section on

distorted.

 

"Cleaning the tape head" (see p. 4).

 

 

 

 

 

 

One of the speaker wires is being pinched by a screw in

Check the speaker wiring.

 

 

the car.

 

 

 

 

 

 

 

The speakers are not wired correctly.

Reconnect the speaker wires so that each output

 

 

 

terminal is connected to a different speaker.

 

 

 

 

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 memory is erased when the ignition is turned off.

The battery wire has not been connected to the proper

Connect the wire correctly, referring to the section on

terminal.

"Connecting Wires to Terminals".

 

 

The ignition and battery wire are incorrectly connected.

Connect the wire correctly, referring to the section on

 

"Connecting Wires to Terminals".

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Contents KRC-X858 KRC-708 Contents 2WARNING 2CAUTION Safety precautionsCleaning the Faceplate Terminals General features PowerPower ON/OFF Volume Switching ModesAttenuator LoudnessSelecting mode Audio Control SettingAdjust each mode Bass F Adjust the center frequency of the bassFader Adjust the fader level. Setting values Front 15 Rear Treble Adjust the treble levelMobile Preset Storing your sound settingsRecalling your sound settings Non-Fading Output Switching DisplayForced Closing Changing the DisplayPage Removing the Faceplate Removing the faceplateReattaching the Faceplate Tuner features Faceplate Angle AdjustmentAdjusting faceplate angle Tuning Station Preset MemoryAuto Memory Entry Assigning Names Station Name Preset SnpsStation Name Preset Play Snpp Switching Display for TunerCanceling mode during input Alarm RDS featuresRDS Radio Data System Radio Text ScrollCanceling Program Type Function During Its Operation Switching to Other Stations with the Same Type of ProgramProgram Type PTY Function Confirming Program TypeCassette player features Registration of a station as a PTYTo register a non-RDS station as a program type Switching Tape Types Using Dolby B Noise ReductionUsing Direct Program Search System Dpss Playing Cassette TapesMusic Repeat Blank SkipExternal disc control features Switching the Tape displayTape counter display Pausing and Restarting Disc Play Playing Disc modeOperation Playing DiscsSwitching Display for Discs Track SearchFast Forwarding and Reversing Disc Play Making a Forward Disc Search Canceling Direct Disc Search While It Is OperatingPresetting Disc Names Dnps Track Scan Track / Disc RepeatTo cancel Dnpp mode Disc Name Preset Play DnppRandom Play Rapid display forward / reverseText / Title Scroll Menu settingsCalendar Adjustment Manual Time AdjustmentMenu System Touch Sensor ToneAdjusting the date Calendar ModeAutomatic Time Adjustment Memo ModeEntering the month or day setting mode Adjusting Time AutomaticallyClean Reception System Circuit Crsc Manual Open Button SettingSwitching to a Different Traffic Information Station Traffic Information FunctionSecurity Code If you press the Reset button or remove the batterySwitching Graphic Display Contrast AdjustmentTime setting for removing the faceplate Switching preoutDual Zone System External Amp ControlKEX/ec4/dB Sound Coordinate system Loading and Replacing the Batteries Basic Operations of remoteTuner features Cassette player featuresBasic operations External disc control features Installation Procedure AccessoriesACC Connecting Wires to TerminalsLocking the faceplate to the unit Installation non-Japanese carsRemoving the hard rubber frame Removing the UnitInstallation Japanese-cars Problem Possible Cause Solution Troubleshooting GuideCD/External disc control mode Eject No Disc Blank No Track No Panel Hold FM tuner section SpecificationsPage Page Page Page Page

KRC-708, KRC-X858 specifications

The Kenwood KRC-X858 and KRC-708 are two standout models in the realm of car audio systems, designed to enhance the driving experience with advanced technologies and user-friendly features. Both models reflect Kenwood's commitment to quality sound, innovative design, and versatility, catering to a wide range of audio preferences.

Starting with the Kenwood KRC-X858, this model is known for its impressive power output and high-quality audio performance. It boasts a maximum power of 50 watts across four channels, ensuring that listeners can enjoy crystal-clear sound even at higher volumes. The KRC-X858 features a built-in CD player and is compatible with MP3 and WMA formats, making it easy to play a variety of digital music files.

One of the key highlights of the KRC-X858 is its adjustable bass boost, allowing users to customize their audio experience to meet their specific preferences. The unit also comes equipped with a 4-band EQ, which enables precise tuning of treble, midrange, and bass frequencies. This adaptability ensures an optimized listening experience, regardless of the music genre.

In terms of connectivity, the KRC-X858 features a front auxiliary input, which is perfect for connecting portable devices such as smartphones or tablets. Furthermore, it offers compatibility with Kenwood’s remote control, providing users with the convenience of adjusting their audio settings without needing to reach for the unit itself.

On the other hand, the Kenwood KRC-708 is equally impressive with its own set of features. This model also supports CD playback, alongside MP3 and WMA file formats, allowing users to enjoy their favorite tracks stored on various media types. The KRC-708 includes a built-in digital synthesizer tuner, delivering clear reception for AM/FM stations.

An appealing characteristic of the KRC-708 is its user-friendly interface, featuring a large, easy-to-read display with adjustable colors. This ensures visibility in different lighting conditions, making it practical for daytime and nighttime driving. The inclusion of a detachable faceplate adds a layer of security, allowing users to remove the front panel when the vehicle is unattended.

Both models prioritize sound quality and convenience, making them suitable choices for audiophiles and casual listeners alike. Their robust build quality and lasting performance showcase Kenwood’s dedication to creating reliable audio equipment for the modern driver. With features designed to enhance connectivity and customizable sound settings, the KRC-X858 and KRC-708 stand out as exceptional choices for those looking to upgrade their vehicle's audio system.
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