JVC KD-SX939/SX930 manual Troubleshooting, Symptoms Causes Remedies

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TROUBLESHOOTING

What appears to be trouble is not always serious. Check the following points before calling a service center.

Symptoms		Causes				Remedies

• CD cannot be played back.	CD is inserted upside down.			Insert the CD correctly.

• CD sound is sometimes	You are driving on rough			Stop CD play while driving on
interrupted.	roads.			rough roads.

	CD is scratched.			Change the CD.

	Connections are incorrect.			Check the cords and
				connections.

• Sound cannot be heard from	The volume control is turned			Adjust it to the optimum level.
the speakers.	to the minimum level.

	Connections are incorrect.			Check the cords and
				connections.

• SSM (Strong-station	Signals are too weak.			Store stations manually.
• SSM (Strong-station
Sequential Memory)
automatic preset does not
work.

• Static noise while listening	The antenna is not connected			Connect the antenna firmly.
to the radio.	firmly.

• “NO DISC” appears on the	No CD is in the loading slot (or			Insert CD.
display.	in the magazine).

	CD is inserted incorrectly.			Insert it correctly.

• “RESET 8” appears on the	This unit is not connected to a			Connect this unit and the CD
display.	CD changer correctly.			changer correctly and press
				the reset button of the CD
				changer.

• “RESET 1 – RESET 7”				Press the reset button of the
appears on the display.				CD changer.

• CD can be neither played	The CD player may function			Press CD and SEL at the
back nor ejected.	incorrectly.			same time for more than 2
				seconds. (“PLEASE EJECT”
				appears on the display.) When
				you open the control panel by
				pressing 0, be careful not to
				drop the CD when it ejects.

• The unit does not work at	The built-in microcomputer			Press					and SEL at


all.	may function incorrectly due to			the same time for more than 2
	noise, etc.			seconds to reset the unit. (The
				clock setting and preset
				stations stored in memory are
				erased.)

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Contents Instructions Recepteur CDPrecautions Identification and Certification labelsImportant for Laser Products For U.S.A. only Information For U.S.AContents Turn on the power Adjust the volumeAdjust the sound as you want see pages 14 Basic OperationsRadio Operations Listening to the radioStart searching a station To tune in a particular frequency without searchingStoring stations in memory FM station automatic preset SSMPress and hold both buttons for more than 3 seconds Tune into a station of 88.3 MHz Manual presetPress and hold the button for more than 1 second Tuning into a preset station Select the number 1 6 for the preset station you wantWhen an FM stereo broadcast is hard to receive Other convenient tuner functionsScanning broadcast stations Selecting FM reception soundCD Operations Playing a CDOpen the control panel Insert a disc into the loading slot Close the control panel by handLocating a track or a particular portion on a CD To fast forward or reverse the trackTo go to the next track or the previous track To go to a particular track directlySelecting CD playback modes To play back tracks at random Random PlayTo play back tracks repeatedly Repeat Play To play back the beginning of each track Intro PlayOther convenient CD functions Prohibiting CD ejectionSelecting preset sound modes Sound AdjustmentsTurning on/off the loudness function Adjusting the sound Select the item you want to adjustAdjust the level Indication To do RangeStoring your own sound adjustments Setting the clock Changing general settings PSMOther Main Functions Selecting the dimmer mode Changing the level indicator modeTo check the current clock time changing the display mode Changing the AM/FM channel intervals Turning on or off the key-touch toneControlling the volume automatically Select the proper cruise mode for your carTo adjust the volume increase rate If Audio Cruise does not function correctlyHow to detach the control panel How to attach the control panelDetaching the control panel Unlock the control panelUsing the remote controller Installing the batteriesRemote Operations Playing CDs CD Changer OperationsSelect the CD automatic changer To go to a particular disc directly Canceled Mode RND indicator Plays at randomMode RPT indicator Plays repeatedly Mode Indication Plays the beginnings 15 secondsMaintenance Handling CDsTroubleshooting Symptoms Causes RemediesFM Tuner SpecificationsAM Tuner CD Receiver