JVC RX-8020VBK manual Troubleshooting, English, Problem, Possible Cause, Solution

English

Troubleshooting

Use this chart to help you solve daily operational problems. If there is any problem you cannot solve, contact your JVC’s 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. (See page 15.)
No sound from speakers.	Speaker signal cables are not connected.	Check speaker wiring and reconnect if necessary.
		(See pages 6 to 8.)
	The SPEAKERS ON/OFF 1 and	Press SPEAKERS ON/OFF 1 and
	SPEAKERS ON/OFF 2 buttons are not	SPEAKERS ON/OFF 2 correctly. (See page 18.)
	set correctly.
	An incorrect source is selected.	Select the correct source.
	Muting is activated.	Press MUTING to cancel the mute. (See page 20.)
	An incorrect input mode (analog or	Select the correct input mode (analog or digital).
	digital) is selected.	(See page 19.)
	Connections are incorrect.	Check connections.
		For analog connections, see pages 8 to 12.
		For digital connections, see page 13.
		For USB connection, see page 14.
Sound from one speaker only.	Speaker signal cables are not connected	Check speaker wiring and reconnect if necessary.
	properly.	(See pages 6 to 8.)
	The balance is set to one extreme.	Adjust the balance properly. (See page 40.)
No sound from PC connected with a USB	An electrical shock is applied to the	Turn off the receiver once, then turn it on again and
cable.	receiver, PC, or USB cable.	restart application installed in the PC.
	USB device is not selected on the	Select “USB Audio Device [1]” for “Playback” of
	computer.	“Audio.” (See page 14.)
		Refer to the manuals supplied with your PC.
	“Mute” is selected on the PC.	Check if the volume is set at low level.
		Refer to the manuals supplied with your PC.
Noise while reproducing PC sound	Strong electromagnetic wave is emitted	Move the PC away from the device such as TV
connected with a USB cable.	from a nearby device such as TV	emitting strong electromagnetic wave.
Sound from PC connected with a USB	PC is subjected to excessive load due to	Close the applications you do not use.
cable is intermittent.	using other applications.
Continuous hiss or buzzing during FM	Incoming signal is too weak.	Connect an outdoor FM antenna or contact your
reception.		dealer. (See page 5.)
	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. (See pages 5 and 6.)
Occasional cracking noise during FM	Ignition noise from automobiles.	Move the antenna further from automobile traffic.
reception.
Noise is heard while playing a record.	A ground cable from the turntable is not	Connect the cable to the screw marked (H) on the
	connected to the screw marked (H) on	rear panel.
	the rear panel.
Howling during record playing.	Your turntable is too close to the	Move the speakers away from the turntable.
	speakers.
No sound effect such as Surround mode,	The Analog Direct is turned on.	Turn off the Analog Direct. (See page 30.)
DSP mode and digital equalization.
6.1-channel reproduction cannot be done	Software or setting is not for Dolby	Play back software bearing the mark		or
for Dolby Digital EX or DTS ES	Digital EX or DTS ES software.		.
software.		Set “EX/ES” setting to “AUTO.” (See page 23.)

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