JVC TH-C20, TH-C30 References, Maintenance, Troubleshooting, 7Handling Discs, 7Cleaning the system, PROBLEM, SOLUTION, POSSIBLE CAUSE, To clean the disc

References

Maintenance

7Handling 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.

7Cleaning 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.

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.)
The remote control does	The batteries are exhausted.	Replace the batteries. (See page 7.)
not work.
not work.	Sunlight is shining directly on the remote sensor.	Hide the remote sensor from direct sunlight.
	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/	Connect the cord correctly. (See page 11.)
	or DIGITAL IN (DBS) correctly.
	An incorrect source has been selected.	Select the correct source. (See page 15.)

No picture is displayed	The video cord is not connected correctly.	Connect the cord correctly. (See page 10.)
on the TV screen.
on the TV screen.	The disc or file is not playable.	Use a playable disc or file. (See pages 3 and 4.)
	The disc or file is not playable.	Use a playable disc or file. (See pages 3 and 4.)
No picture is displayed	The scan mode is set to “480p” though the center unit is	Change the scan mode to “480i”. (See page 16.)
on the TV screen, the	connected to the TV which does not support the
picture is blurred, or the	progressive video input such as a conventional TV.
picture is divided into
two parts.
Video and audio are	The disc is scratched or dirty.	Replace or clean the disc.
distorted.
distorted.	A VCR is connected between the center unit and the	Connect the center unit and TV directly. (See page 10.)
	A VCR is connected between the center unit and the	Connect the center unit and TV directly. (See page 10.)
	TV.

The picture does not fit	The monitor type is not set correctly.	Set “MONITOR TYPE” properly. (See page 34.)
the TV screen.
Hard to listen to	Antennas are disconnected.	Reconnect the antennas correctly and securely. (See
broadcast because of		page 8.)
noise.