JVC TH-M42 manual References, Maintenance, Trouble shooting, General

References

Maintenance

To get the best performance out of this system, keep your discs and mechanism clean.

7General 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.

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 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.

Trouble shooting

Use this chart to help you solve daily operational problems. If there is any problem you cannot solve, contact your JVC service center.

General

PROBLEM	POSSIBLE CAUSE	SOLUTION
Power does not come	The power cord is not connected to the center unit or an	Connect the power cord correctly. (A pg. 13)
on.	AC outlet.
Power is not supplied to	The power cord of the subwoofer is not connected to an	Turn off the system, plug the power cord firmly into an
the powered subwoofer.	AC outlet.	AC outlet, and turn on the system again. (A pg. 13, 17)
	The system cord is not connected.	Connect the system cord. (A pg. 10)
The system does not	Lightning or electronic noise interferes with operation	Switch the power off, then disconnect/reconnect the
work correctly.	of the microcomputer.	power plug.
	Immediately after beginning to heat the room, the	Switch the power off and leave the system a few hours
	system was moved to a cold location causing	before switching the power on again.
	condensation to form inside.
The remote control does	It is too far from the center unit, or is not facing the	Move closer to the center unit. (Operate the remote
not work.	center unit.	control within 7 m (23 ft) of the center unit.)
		(A pg. 14)
	There is something obstructing the remote sensor.	Remove any obstacles. (A pg. 14)
	The remote control is not aimed at the remote sensor on	Aim the remote control at the remote sensor on the
	the center unit or components.	equipment you want to operate. (A pg. 14)
	The remote control mode selector is set at an incorrect	Set the selector to the correct position. (A pg. 17)
	position.
	The batteries are exhausted.	Replace the batteries. (A pg. 14)
	The batteries have been inserted the wrong way round	Insert the batteries correctly. (A pg. 14)
	(+/–).
	The remote control is not set to operate the DVD player	For the DVD player, press DVD before you perform the
	or tuner (FM/AM).	operations. (A pg. 21)
		For the tuner, press FM/AM before you perform the
		operations. (A pg. 25)
	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. (A pg. 15, 16)

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