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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 service center.
Note:
• Problem may be caused by the components connected to the system. So, please read the manuals for the components care-
fully.
PROBLEM
POSSIBLE CAUSE
SOLUTION
Power does not come on.
The power cord.
Insert the plug into the socket.
Power is not supplied to the powered sub-
woofer
The power cord has been pulled out of the
AC outlet.
The system cable is not connected.
Press the
on the center unit to switch
power OFF, and then press it again to switch
power ON.
The remote control does not work.
It is too far from the center unit, or is not fac-
ing the center unit.
There is something obstructing the remote
sensor.
Avoid any obstacles within approximately 5
m of the detector on the remote control.
The battery is flat.
Replace the battery.
The battery has been inserted the wrong way
round (+/–).
Insert the battery correctly.
Sunlight is falling directly on the detector.
Shade the remote control from direct sun-
light.
The entered manufacturer’s code number is
incorrect.
Enter the correct code number.
The remote control does not work as expect-
ed.
The remote control mode selector position is
incorrect.
Set it to the correct position. Normally, it
should be set to “AUDIO/TV/VCR”.
No sound.
The system cable is not connected.
Check the connection.
The speaker cord is not connected.
Check the connection.
There is a short in the speaker cord.
Reconnect the speaker cord and press on the
center unit to restart the system.
The powered sub-woofer power supply is off. Insert the plug firmly into the socket and
press
on the center unit to switch power
off, and then press it again to switch power
on.
The audio cord is not connected properly.
Connect the cord properly.
An incorrect source has been selected.
Select the correct source.
Muting is on.
Press MUTING to cancel mute.
Sound is emitted from only one speaker.
The speaker cord is not connected correctly. Connect the cord properly.
Left-right balance is incorrect.
Adjust balance.
No video.
The video cord is not connected properly.
Connect the cord properly.
TV input selection is incorrect.
Select the correct input.
Cannot play a disc.
A non-NTSC disc has been inserted.
The unit and disc region numbers (local num-
bers) are incompatible.
Replace the disc.
Video and audio are distorted.
The disc is dirty.
Clean the disc.
A video deck is connected between the center
unit and the TV.
Connect the center unit and TV directly.
The edge is missing on the video image.
Initial setup (monitor type) was incorrect.
Run through initial setup again correctly.
The TV has been set up incorrectly.
Set up the TV correctly.
Continuous static during FM broadcasts.
The received signal is too weak.
Connect an external FM antenna, or contact
your dealer.
The station is too far away.
Select another station.
The antenna is not connected correctly.
Check the connection.
Unit does not work correctly.
Lightning or electronic noise interferes with
operation of the microcomputer.
Switch power off, and remove and re-insert
the power plug in the socket.
Immediately after beginning to heat the
room, the unit was moved to a cold location
causing condensation to form inside.
Switch power off and leave the unit a few
hours before switching power on again.
TH-A9(UW).book Page 58 Monday, March 12, 2001 9:17 AM
