Troubleshooting - JVC TH-A9 Instructions Manual

Troubleshooting

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