JVC DR-M70SEK manual Troubleshooting, Symptom Remedy

Others

Others

Troubleshooting

Before requesting service for this unit, check the table below for a possible cause of the problem you are experiencing. Some simple checks or a minor adjustment by you may eliminate the problem and restore correct operation.

Symptom	Remedy
Power
The power does not turn on.	• Check the mains cable is connected securely.
	• Check building circuit the breaker (in case of power failure) .
Picture
There is no picture.	• Check signal cables are connected securely.
	• Check if a connecting cable is damaged.
	• If the setting menu display appears, press [SET UP] or [RETURN] to turn off
	the display.
	• Check connections to your TV. (See page 15.)
	• Switch the input selector on your TV (to “AV1,” for example) until a picture
	appears on the screen.
Picture noise appears.	• The disc is dirty or flawed.
	• If the unit is connected to your TV via a VCR, or if it is connected to a
	combination TV / VIDEO player, the copy-protection signal applied to some
	DVD programs could affect picture quality. If you still experience this problem
	even when you connect the unit directly to your TV, try connecting the unit to
	your TV’s S-VIDEO input.
TV programme picture does not fill	• Set channels with “Auto Tuning” from the screen menu. (See page 17.)
the screen.	• Select the channel of a TV program using [PR +/-].
TV programme pictures are	• Adjust the direction of the TV antenna.
distorted.	• Adjust the picture (see the TV instruction manual).
	• Place the antenna and the TV farther apart.
	• Separate any bunched antenna cables and the TV.
TV channel cannot be changed.	• Switch the TV input.
	• Check if the antenna cable is connected correctly. (See page 15.)
The playback picture is distorted.	• Do not bring equipment that may cause electrical interference, such as a
	cellular phone, near the unit.
The playback picture is distorted	• Select 4:3 mode on your TV.
when playing back 4:3 recordings.
The playback picture or TV	• If a DVD player, VCR or tuner is connected to your TV via the unit, the copy-
programme from equipment	protection signal applied to some programs could affect picture quality.
connected through the unit is	Disconnect the playback equipment in question and connect it directly to your
distorted.	TV.
Sound
There is no sound.	• The disc is dirty or flawed.
	• Check if all cables are connected securely.
	• Check if a connecting cable is damaged.
	• Check the connections to the amplifier input.
	• Check if the input source setting on the amplifier is correct.
	• Check if the recorder is in Pause mode or in Slow-motion Playback mode.
	• Check if the recorder is in Fast Forward or Fast Reverse mode.
	• If the audio signal is not output from the DIGITAL AUDIO OUTPUT (COAXIAL)
	jack, check the Audio setting. (See page 56.)
Sound is noisy.	• The disc is dirty or flawed.
Remote control
The remote control does not	• Batteries are exhausted.
function.	• There are obstacles between the remote control and the unit.
	• The remote control is too far from the unit.
	• There are no batteries in the remote control.
	• The unit is not turned on.
	• The remote control is not pointed at the remote sensor on the unit.

60 EN