Troubleshooting - JVC RX-7030VBK Instructions Manual

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
The display does not light up.
No sound from speakers.
Sound from one speaker only.
Continuous hiss or buzzing during FM
reception.
Noise is heard during FM/AM reception.
Howling during record playing.
No sound effect such as Surround mode,
DSP mode and Digital Equalization.
EX/ES (7.1-channel) reproduction cannot
be done for Dolby Digital EX or DTS ES
software.
"OVERLOAD" starts flashing on the
display.
The STANDBY lamp lights up after
turning on the power, and soon the
receiver turns off again (into standby
mode).
Remote control does not work.
Remote control does not work as you
intend.
50
POSSIBLE CAUSE
The power cord is not plugged in.
Speaker signal cables are not connected.
The SPEAKERS ON/OFF 1 and
SPEAKERS ON/OFF 2 buttons are not
set correctly.
An incorrect source is selected.
Muting is activated.
An incorrect input mode (analog or
digital) is selected.
Speaker signal cables are not connected
properly.
Incoming signal is too weak.
The station is too far away.
An incorrect antenna is used.
Antennas are not connected properly.
Ignition noise from automobiles.
A ground cable from the turntable is not
connected to the screw marked (H) on
the rear.
Your turntable is too close to the
speakers.
Analog Direct is turned on.
DVD MULTI is selected as the source.
Software or setting is not for Dolby
Digital EX or DTS ES software.
Speakers are overloaded because of high
volume.
Speakers are overloaded because of
short circuit of speaker terminals.
The receiver is overloaded because of a
high voltage.
There is an obstruction between the
remote sensor on the receiver and the
remote control.
Batteries are weak.
An incorrect remote control operation
mode is selected.
SOLUTION
Plug the power cord into an AC outlet.
Check speaker wiring and reconnect if necessary. (See
pages 9 to 11.)
Press SPEAKERS ON/OFF 1 and SPEAKERS ON/
OFF 2 correctly. (See page 19.)
Select the correct source.
Press MUTING to cancel the mute. (See page 22.)
Select the correct input mode (analog or digital). (See
page 19.)
Check speaker wiring and reconnect if necessary. (See
pages 9 to 11.)
Connect an outdoor FM antenna or contact your
dealer. (See page 8.)
Select a new station.
Check with your dealer to be sure you have the correct
antenna.
Check connections. (See page 8.)
Move the antenna farther from automobile traffic.
Connect the cable to the screw marked (H) on the
rear.
Move the speakers away from the turntable.
Turn off Analog Direct. (See page 21.)
Select the source other than DVD MULTI. (See page
40.)
Play back software bearing the mark
.
Set "EX/ES" setting to "ON." (See page 37.)
1. Press STANDBY/ON on the front panel to
turn off the receiver.
2. Stop the playback source.
3. Turn on the receiver again, and adjust the volume.
Press STANDBY/ON on the front panel to turn off
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.
Press STANDBY/ON on the front panel to turn off
the receiver. After unplugging the AC power cord,
consult your dealer.
Remove the obstruction.
Replace batteries. (See page 8.)
Select the correct remote control operation mode. (See
pages 44 to 49.)
or