JVC RX7030VBK manual Short circuit of speaker terminals

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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.
No sound from speakers.	Speaker signal cables are not connected.	Check speaker wiring and reconnect if necessary. (See
		pages 9 to 11.)
	The SPEAKERS ON/OFF 1 and	Press SPEAKERS ON/OFF 1 and SPEAKERS ON/
	SPEAKERS ON/OFF 2 buttons are not	OFF 2 correctly. (See page 19.)
	set correctly.
	An incorrect source is selected.	Select the correct source.
	Muting is activated.	Press MUTING to cancel the mute. (See page 22.)
	An incorrect input mode (analog or	Select the correct input mode (analog or digital). (See
	digital) is selected.	page 19.)
Sound from one speaker only.	Speaker signal cables are not connected	Check speaker wiring and reconnect if necessary. (See
	properly.	pages 9 to 11.)
Continuous hiss or buzzing during FM	Incoming signal is too weak.	Connect an outdoor FM antenna or contact your
reception.		dealer. (See page 8.)
	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.
Noise is heard during FM/AM reception.	Antennas are not connected properly.	Check connections. (See page 8.)
	Ignition noise from automobiles.	Move the antenna farther from automobile traffic.
Howling during record playing.	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.
	the rear.
	Your turntable is too close to the	Move the speakers away from the turntable.
	speakers.
No sound effect such as Surround mode,	Analog Direct is turned on.	Turn off Analog Direct. (See page 21.)
DSP mode and Digital Equalization.
	DVD MULTI is selected as the source.	Select the source other than DVD MULTI. (See page
		40.)
EX/ES (7.1-channel) reproduction cannot	Software or setting is not for Dolby	Play back software bearing the mark				or
be done for Dolby Digital EX or DTS ES	Digital EX or DTS ES software.			.
software.		Set “EX/ES” setting to “ON.” (See page 37.)
“OVERLOAD” starts flashing on the	Speakers are overloaded because of high	1. Press			STANDBY/ON on the front panel to
display.	volume.		turn off the receiver.
		2. Stop the playback source.
		3. Turn on the receiver again, and adjust the volume.
	Speakers are overloaded because of	Press			STANDBY/ON on the front panel to turn off
	short circuit of speaker terminals.	the receiver, 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.
The STANDBY lamp lights up after	The receiver is overloaded because of a	Press			STANDBY/ON on the front panel to turn off
turning on the power, and soon the	high voltage.	the receiver. After unplugging the AC power cord,
receiver turns off again (into standby		consult your dealer.
mode).
Remote control does not work.	There is an obstruction between the	Remove the obstruction.
	remote sensor on the receiver and the
	remote control.
	Batteries are weak.	Replace batteries. (See page 8.)
Remote control does not work as you	An incorrect remote control operation	Select the correct remote control operation mode. (See
intend.	mode is selected.	pages 44 to 49.)

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