JVC TH-C20 ユーザーズマニュアル
38
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
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.
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.
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 forcefully.
-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
-DO NOT wipe it with a hard cloth.
-DO NOT wipe it forcefully.
-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
Troubleshooting
PROBLEM
POSSIBLE CAUSE
SOLUTION
Power does not come on. The power cord and/or system cord is not connected.
Connect the power cord and system cord correctly. (See
pages 10 and 11.)
pages 10 and 11.)
The remote control does
not work.
not work.
The batteries are exhausted.
Replace the batteries. (See page 7.)
Sunlight is shining directly on the remote sensor.
Hide the remote sensor from direct sunlight.
No sound.
The system cord and/or speaker cord is not connected.
Check the connection.
The audio cord is not connected to AUX IN (VCR) and/
or DIGITAL IN (DBS) correctly.
or DIGITAL IN (DBS) correctly.
Connect the cord correctly. (See page 11.)
An incorrect source has been selected.
Select the correct source. (See page 15.)
No picture is displayed
on the TV screen.
on the TV screen.
The video cord is not connected correctly.
Connect the cord correctly. (See page 10.)
The disc or file is not playable.
Use a playable disc or file. (See pages 3 and 4.)
No picture is displayed
on the TV screen, the
picture is blurred, or the
picture is divided into
two parts.
on the TV screen, the
picture is blurred, or the
picture is divided into
two parts.
The scan mode is set to “480p” though the center unit is
connected to the TV which does not support the
progressive video input such as a conventional TV.
connected to the TV which does not support the
progressive video input such as a conventional TV.
Change the scan mode to “480i”. (See page 16.)
Video and audio are
distorted.
distorted.
The disc is scratched or dirty.
Replace or clean the disc.
A VCR is connected between the center unit and the
TV.
TV.
Connect the center unit and TV directly. (See page 10.)
The picture does not fit
the TV screen.
the TV screen.
The monitor type is not set correctly.
Set “MONITOR TYPE” properly. (See page 34.)
Hard to listen to
broadcast because of
noise.
broadcast because of
noise.
Antennas are disconnected.
Reconnect the antennas correctly and securely. (See
page 8.)
page 8.)
References
TH-C20-30[JC]5.book Page 38 Thursday, January 12, 2006 11:29 AM