References; Maintenance; Troubleshooting - JVC TH-C90 Instructions Manual

References

Maintenance

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, extreme
temperature and moisture.

Troubleshooting

PROBLEM POSSIBLE CAUSE
Power does not come on. The power cord and/or system cord is not connected.
The remote control does The batteries are exhausted.
not work.
Sunlight is shining directly on the remote sensor.
No sound. The system cord and/or speaker cord is not connected.
The audio cord is not connected to AUX IN (VCR) and/
or DIGITAL IN (DBS) correctly.
An incorrect source has been selected.
No picture is displayed The video cord is not connected correctly.
on the TV screen.
The disc or file is not playable.
No picture is displayed The scan mode is set to the progressive mode
on the TV screen, the ("NT. 480P" or "PAL. 576P") though the center unit is
picture is blurred, or the connected to the TV which does not support the
picture is divided into progressive video input such as a conventional TV.
two parts.
Video and audio are The disc is scratched or dirty.
distorted.
A VCR is connected between the center unit and the
TV.
The picture does not fit The monitor type is not set correctly.
the TV screen.
The broadcast is hard to Antennas are disconnected.
hear because of noise.
If there are any other cases than the noted above or if this system does not seem to work properly, turn off the system and turn it back on.
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 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.
SOLUTION
Connect the power cord and system cord correctly. (See
pages 11 and 12.)
Replace the batteries. (See page 7.)
Hide the remote sensor from direct sunlight.
Check the connection.
Connect the cord correctly. (See page 12.)
Select the correct source. (See page 16.)
Connect the cord correctly. (See page 11.)
Use a playable disc or file. (See pages 3 and 4.)
Change the scan mode to the interlace mode
("NT. 480I" or "PAL. 576I"). (See page 17.)
Replace or clean the disc.
Connect the center unit and TV directly. (See page 11.)
Set "MONITOR TYPE" properly. (See page 35.)
Reconnect the antennas correctly and securely. (See
page 8.)