JVC RX-774RBK manual Troubleshooting, Problem Possible Cause Solution

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 or the		Plug	the power cord into an AC outlet and/or
		POWER switch pressed to set it in the	press		POWER to set it in the _ON
	ÑOFF position.		position.
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 MUTE 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 23).
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 a PAL TV.
	not PAL.
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 STANDBY/ON			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 STANDBY/ON			on the front panel,
	circuit of speaker terminals.		then check 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.

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