Troubleshooting - JVC RX-8020VBK 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.
No sound from PC connected with a USB
cable.
Noise while reproducing PC sound
connected with a USB cable.
Sound from PC connected with a USB
cable is intermittent.
Continuous hiss or buzzing during FM
reception.
Occasional cracking noise during FM
reception.
Noise is heard while playing a record.
Howling during record playing.
No sound effect such as Surround mode,
DSP mode and digital equalization.
6.1-channel reproduction cannot be done
for Dolby Digital EX or DTS ES
software.
57
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.
Connections are incorrect.
Speaker signal cables are not connected
properly.
The balance is set to one extreme.
An electrical shock is applied to the
receiver, PC, or USB cable.
USB device is not selected on the
computer.
"Mute" is selected on the PC.
Strong electromagnetic wave is emitted
from a nearby device such as TV
PC is subjected to excessive load due to
using other applications.
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 panel.
Your turntable is too close to the
speakers.
The Analog Direct is turned on.
Software or setting is not for Dolby
Digital EX or DTS ES software.
SOLUTION
Plug the power cord into an AC outlet. (See page 15.)
Check speaker wiring and reconnect if necessary.
(See pages 6 to 8.)
Press SPEAKERS ON/OFF 1 and
SPEAKERS ON/OFF 2 correctly. (See page 18.)
Select the correct source.
Press MUTING to cancel the mute. (See page 20.)
Select the correct input mode (analog or digital).
(See page 19.)
Check connections.
For analog connections, see pages 8 to 12.
For digital connections, see page 13.
For USB connection, see page 14.
Check speaker wiring and reconnect if necessary.
(See pages 6 to 8.)
Adjust the balance properly. (See page 40.)
Turn off the receiver once, then turn it on again and
restart application installed in the PC.
Select "USB Audio Device [1]" for "Playback" of
"Audio." (See page 14.)
Refer to the manuals supplied with your PC.
Check if the volume is set at low level.
Refer to the manuals supplied with your PC.
Move the PC away from the device such as TV
emitting strong electromagnetic wave.
Close the applications you do not use.
Connect an outdoor FM antenna or contact your
dealer. (See page 5.)
Select a new station.
Check with your dealer to be sure you have the
correct antenna.
Check connections. (See pages 5 and 6.)
Move the antenna further from automobile traffic.
Connect the cable to the screw marked (H) on the
rear panel.
Move the speakers away from the turntable.
Turn off the Analog Direct. (See page 30.)
Play back software bearing the mark
.
Set "EX/ES" setting to "AUTO." (See page 23.)
or