JVC RX-F31S manual Troubleshooting, Power, Problem, Possible Cause, Solution, Sound and picture

Troubleshooting

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

Power

PROBLEM	POSSIBLE CAUSE		SOLUTION
The power does not come on.	The power cord is not plugged in.	Plug the power cord into an AC outlet.
The receiver turns off (enters standby	Speakers are overloaded because of high	1.	Stop the playback source.
mode).	volume.	2.	Turn on the receiver again, then turn the
			volume down.
	Speakers are overloaded because of a	Check the speaker wiring. If speaker wiring
	short circuit at the speaker terminals.	is not short-circuited, contact your dealer.
	The receiver is overloaded because of a	Consult your dealer after unplugging the
	high voltage.	power cord.
“OVER HEAT” flashes on the display,	The receiver is overloaded because of high	Turn on the receiver again. If the receiver
then the receiver turns off.	volume or long time usage.	turns off soon, consult your dealer after
		unplugging the power cord.

Sound and picture

No sound from speakers.	Speaker signal cables are not connected.	Check speaker wiring, then reconnect if
		necessary (see page 6) after unplugging
		the power cord.
	Connections are incorrect.	Check the audio connections (see pages 7
		to 11) after unplugging the power cord.
	An incorrect source is selected.	Select the correct source.
	Muting is activated.	Press MUTING to cancel the mute (see
		page 15).
	An incorrect input mode (analog or digital)	Select the correct input mode (analog or
	is selected.	digital).
	TV Direct is activated.	Deactivate TV Direct (see page 14).
Sound from one speaker only.	Speaker signal cables are not connected	Check speaker wiring and reconnect if
	properly.	necessary (see page 6) after unplugging
		the power cord.
Bass sound is reinforced too much	Appropriate bass level is not selected.	Adjust audio position level (see page 14).
when listening in stereo.
Sounds are intermittently distorted or	The sounds may be intermittently distorted	This is not a malfunction. But if this
the noise is heard by the outside noise	or the noise may be heard by the outside	continues, turn on the receiver again.
such as a lightning discharge.	noise such as a lightning discharge but the
	sound will be restored automatically.
No picture is displayed on the monitor.	Connections are incorrect.	Check the video connections (see pages 7
		to 10) after unplugging the power code.
	Input mode is incorrect.	Check the component video input mode
		(see page 25).

Remote control

Tuner

Remote control does not operate as	The remote control is not ready for your	Set the mode selector correctly, then press
you intend.	intended operation.	the corresponding source selecting button
		or SOUND before operation
Remote control does not work.	There is an obstruction hiding the remote	Remove the obstruction.
	sensor on the receiver.
	Batteries are weak.	Replace batteries.
	The mode selector is set to the incorrect	Set the mode selector to the proper
	position.	position.
Buttons cannot be used.	TV Direct is activated.	Deactivate TV Direct (see page 14).
Continuous hiss or buzzing during FM	Incoming signal is too weak.	Connect an outdoor FM antenna or contact
reception.		your dealer.
	The station is too far away.	Select another station.
	The wrong antenna is being used.	Check with your dealer to be sure you have
		the correct antenna.
	Antennas are not connected properly.	Check the connections.
Occasional cracking noise during FM	Ignition noise from automobiles.	Move the antenna farther from automobile
reception.		traffic.

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