References, Maintenance, Trouble shooting – JVC xv-thm45 User Manual
Page 62: General
57
References
Use this chart to help you solve daily operational problems. If there is any problem you cannot solve, contact your JVC service center.
General
Trouble shooting
PROBLEM
POSSIBLE CAUSE
SOLUTION
Power does not come
on.
The power cord is not connected to the center unit or an
AC outlet.
Connect the power cord correctly. (
Power is not supplied to
the powered subwoofer.
The power cord of the subwoofer is not connected to an
AC outlet.
Turn off the system, plug the power cord firmly into an
AC outlet, and turn on the system again. (
The system cord is not connected.
Connect the system cord. (
The system does not
work correctly.
Lightning or electronic noise interferes with operation
of the microcomputer.
Switch the power off, then disconnect/reconnect the
power plug.
Immediately after beginning to heat the room, the
system was moved to a cold location causing
condensation to form inside.
Switch the power off and leave the system a few hours
before switching the power on again.
The remote control does
not work.
It is too far from the center unit, or is not facing the
center unit.
Move closer to the center unit. (Operate the remote
control within 7 m of the center unit.) (
There is something obstructing the remote sensor.
Remove any obstacles. (
The remote control is not aimed at the remote sensor on
the center unit or components.
Aim the remote control at the remote sensor on the
equipment you want to operate. (
The remote control mode selector is set at an incorrect
position.
Set the selector to the correct position. (
The batteries are exhausted.
Replace the batteries. (
The batteries have been inserted the wrong way round
(+/–).
Insert the batteries correctly. (
The remote control is not set to operate the DVD player
or tuner (FM/AM – MW).
For the DVD player, press DVD before you perform the
operations. (
For the tuner, press FM/AM before you perform the
operations. (
Sunlight is falling directly on the remote sensor.
Hide the remote sensor from direct sunlight.
The remote control signals are not set correctly.
Enter the correct manufacturer’s code. (
To get the best performance out of this system, keep your discs and
mechanism clean.
7
General Notes
In general, you will have the best performance by keeping your
discs and the mechanism clean.
• Store discs in their cases and keep them in cabinets or on shelves.
7
Handling Discs
• Remove the disc from its case by holding it at
the edge while pressing the center hole lightly.
• Do not touch the shiny surface of the disc or
bend the disc.
• Put the disc back in its case after use to
prevent warping.
• Be careful not to scratch the surface of the
disc when placing it back in its case.
• Avoid exposure to direct sunlight, temperature
extremes and moisture.
To clean the disc
Wipe the disc with a soft cloth in a straight line
from center to edge.
• DO NOT use any solvent — such as
conventional record cleaner, spray,
thinner or benzine — to clean the disc.
7
Cleaning the system
• Stains on the system should be wiped off with a soft cloth. If the
system is heavily stained, wipe it with a cloth soaked in water-
diluted neutral detergent and wrung well, then wipe clean with a
dry cloth.
• Since the system may deteriorate in quality, become damaged or
get its paint peeled off, be careful about the following.
•
DO NOT wipe it with a hard cloth.
•
DO NOT wipe it strong.
•
DO NOT wipe it with thinner or benzine.
•
DO NOT apply any volatile substance such as insecticides to it.
•
DO NOT allow any rubber or plastic to remain in contact with
it for a long time.
Maintenance
TH-M45[B].book Page 57 Wednesday, April 2, 2003 12:52 PM