JVC RX-772VBK manual Troubleshooting, Problem, Possible Cause

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	Check speaker wiring and
	connected.	reconnect if necessary.
	The SPEAKERS 1 and 2 buttons	Press SPEAKERS 1 and 2 correctly.
	are not set correctly.
	An incorrect source is selected.	Select the correct source.
	Mute is activated.	Press MUTE to cancel the mute.

Sound from one speaker	Speaker signal cables are not
only.	connected properly.

Check speaker wiring and reconnect if necessary.

The balance is set to one extreme. Adjust the balance properly.

Continuous hiss or buzzing	Incoming signal is too weak.
during FM reception.

Connect an outside FM antenna or contact 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 a correct antenna.

	Antennas are not connected	Check connections.
	properly.
Occasional cracking noise	Ignition noise from automobiles.	Move the antenna farther from
during FM reception.		automobile traffic.

No colors on the on-screen display.

The color system of the	Connect an NTSC TV.
connected TV is not NTSC.

Howling during record	Your turntable is too close to
playing.	speakers.

Move speakers away from the turntable.

Remote control does not	The remote control mode selector	Set the selector correctly either to the
work.	is not set correctly.	“AUDIO/TV/VCR” position or to
		“CATV/SAT” position.
	There is an obstruction in front of	Remove the obstruction.
	the remote control sensor on the
	receiver.
	Batteries are weak.	Replace batteries.

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