JVC Troubleshooting for RX 778V and RX-778VBK Stereo System

Page 47

Troubleshooting

Use this chart to help you solve daily operational problems. If there is any problem you cannot solve, contact your JVC service center.

		PROBLEM	POSSIBLE CAUSE	SOLUTION

		The display does not light up.	The power cord is not plugged in.	Plug the power cord into an AC outlet.

		No sound from speakers.	Speaker signal cables are not connected.	Check speaker wiring and reconnect if
				necessary.

			The SPEAKERS 1 and 2 buttons are not	Press SPEAKERS 1 and 2 correctly.
			set correctly.

			An incorrect source is selected.	Select the correct source.

			Muting is activated.	Press MUTING to cancel the mute.

		Sound from one speaker only.	Speaker signal cables are not connected	Check speaker wiring and reconnect if
			properly.	necessary.

			The balance is set to one extreme.	Adjust the balance properly (see page 12).

		Continuous hiss or buzzing during FM	Incoming signal is too weak.	Connect an outside FM antenna or contact
		reception.		your dealer.

			The station is too far away.	Select a new station.

			An incorrect antenna is used.	Check with your dealer to be sure you have
				the correct antenna.

			Antennas are not connected properly.	Check connections.

		Occasional cracking noise during FM	Ignition noise from automobiles.	Move the antenna farther from automobile
		reception.		traffic.

		No colors on the on-screen display.	The color system of the connected TV is	Connect an NTSC TV.
			not NTSC.

		Howling during record playing.	Your turntable is too close to speakers.	Move speakers away from the turntable.

		“OVERLOAD” starts flashing on the	Speakers are overloaded because of high	Rotate the MASTER VOLUME control
		display.	volume.	counterclockwise three or four times, then
				press POWER on the front panel.
				If “OVERLOAD” does not disappear, unplug
				the AC power cord, then plug it back again.

			Speakers are overloaded because of short	Press POWER on the front panel, then check
			circuit of speaker terminals.	the speaker wiring.
				If “OVERLOAD” does not disappear, unplug
				the AC power cord, then plug it back again.
				If speaker wiring is not short-circuited, contact
				your dealer.

		Remote control does not work.	The remote control mode selector is not	Set the selector correctly either to “AUDIO/
			set correctly.	TV/VCR” or to “CATV/DBS.”

			There is an obstruction in front of the	Remove the obstruction.
			remote sensor on the receiver.

			Batteries are weak.	Replace batteries.

English

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Contents RX-778VBK Mises en garde, précautions et indications diverses Table of Contents Front Panel Remote ControlParts Identification Getting Started Before Installation Connecting the FM and AM AntennasChecking the Supplied Accessories AM Antenna Connections Connecting the SpeakersBasic connecting procedure Connecting the front speakersWhen you connect two sets of front speakers Connecting the subwoofer speakerCase 1 When you connect only one set of front speakers Audio component connections Connecting Audio/Video ComponentsAnalog connections To composite video output Video component connectionsDVD player DBS tunerReplace the cover Connecting the Power CordPutting Batteries in the Remote Control Plug the power cord into an AC outletSelecting the Source to Play Turning the Power On and Off StandbyFrom the remote control Basic OperationsEtc Adjusting the VolumeSelecting the Front Speakers ATT. briefly while viewingMuting the Sound Attenuating the Input SignalListening at Low Volume Loudness Adjusting the Subwoofer Output LevelDigital Input Digital in Terminal Setting Basic SettingsAdjusting the Front Speaker Output Balance Setting the Subwoofer InformationShowing the Text Information on Display Selecting the Analog or Digital Input ModeFront, Center, and Rear Speaker Setting Setting the Speakers for the DSP ModesRear Delay appears on Display Center Delay Time SettingRange COMP. Dynamic Range Compression appears on Display Frequency appears on the displayLFE ATT Low Frequency Effect Attenuator appears on Display Press ONE Touch OPERATION. Onetouchoperation Storing the Basic Settings Adjustments One Touch OperationAdjust the sound using the functions listed above Using the Sleep TimerReceiving Radio Broadcasts Using Preset TuningTuning in Stations Manually Turn Multi JOG to select Assigning Names to Preset StationsSelecting the FM Reception Mode Tune in a preset stationSelecting Your Favorite SEA Mode Using the SEA ModesCreating Your Own SEA Mode DAP modes Using the DSP Modes3D-PHONIC modes JVC Theater Surround Surround modesDolby Surround Dolby Digital and Dolby Pro Logic Rear Available DSP Modes According to the Speaker ArrangementFront Adjusting the DAP Modes Adjusting the 3D-PHONIC ModesAdjusting the Surround Modes Repeatedly until Theater or Activate an appropriate Surround Mode PRO Logic or DolbyPress Test again to stop the test tone. Test Press Dolby Surround toTheater or DIG Theater appears on Display To adjust the right rear speaker level, pressActivating the DSP Modes Press % / Þto move to Visual Using the On-Screen MenusWhen you finish, press Exit Press MenuPress % / Þto move to Surround LEVEL, then press @/ # Press %/ Þto move to Sound CONTROL, then press @/ #Press %/ Þto move to SEA, then press @/ # Press %/ Þ/ @/ # to adjust the SEA mode as you wantPress SET to store the setting into the SEA Usermode Press %/ Þto move to Sound CONTROL, then press @ / #Press % / Þto move To Tuner CONTROL, then press @/ # Press %/ Þto move To SETTING, then press @/ #Setting the Basic Setting Items Also see Press %/ Þ/ @/ # to Move in front of a character you want Press %/ Þto move to Preset NAME, then press SETStoring the Preset Stations Also see Assigning Names to Preset StationsAutomatic Source Selection Compu Link Remote Control SystemRemote Control through the Remote Sensor on the Receiver Same timeDisc Search Only for CD Player Text Compu Link Remote Control SystemCD player MD recorder Displaying the Disc Information on the TV screenDisc Information screen appears on the TV Press Text Display while CD or MD is selected as the sourceShowing the Disc Information on the TV Screen To exit from the Disc information screenPress SET again Press Text Display while CD is selected as the sourcePress %/ Þto move to SEARCH, then Press SET Press %/ Þto move to Performer Then press SETSearch for a disc by its genre Press %/ Þto move to Search Then press SETPress % / Þto move to Title Input Then press SET Entering the Disc InformationPress %/ Þto move to Title Input Then press SET Enter the disc title, referring to steps 3Press %/ Þto move to the genre you want, then press SET Press Text Display while MD is selected as the sourceIf the AV Compu Link terminal on the TV is AV Compu Link EX AV Compu Link Remote Control SystemIf the AV Compu Link terminal on the TV is RECEIVER/AMP One-Touch DVD Play Automatic Selection of TV’s Input ModeAutomatic Power On/Off One-Touch Video PlayCD player Operating JVC’s Audio/Video ComponentsSound control section Amplifier TunerMD recorder To operate JVC’s video components using this remote controlTurntable Cassette deckTry to operate your TV by pressing TV/CATV Release TV/CATV/DBS PowerIf there are more than one code listed for your brand of TV Operating Other Manufacturers’ Video EquipmentManufacturer Codes Release VCR PowerTry to operate your VCR by pressing VCR Power If there are more than one code listed for your brandProblem Possible Cause Solution TroubleshootingAM tuner SpecificationsAmplifier FM tuner IHFEN, FR 0599HIMMDWJEM