JVC TV 20240 manual Troubleshooting T, Problems Check

29 T R O U B L E S H O O T I N G - T V

	PROBLEMS	CHECK
There is no power		• See if the power cord became unplugged.
		• Perhaps you have experienced a blown circuit breaker or fuse or a power outage.
There is no picture		• The antenna could be disconnected.
	or no sound	• The input mode (TV or Video) could not be set properly, refer to page 25.
		• The tuner mode (in the Auto Tuner Setup) could be set improperly, refer to page 12.
		• The station may be having difficulties, check to see if other channels are operating normally.
Remote control is		• Check that the batteries are still working and properly installed.
not operating or		• Make sure there are no objects blocking a clear path from the remote to the TV.
operating properly		• Check that the TV/CATV switch is in the proper position — set to TV to view television.
You cannot select a		• Maybe you are too far from the TV, you must be within 23 feet (or 7 meters).
certain channel		• Make sure the channels are programmed. See Channel Summary, page 12.
		• Perhaps the channel is locked, select it with the 10 key pad and follow instructions on page 13.
The power turns off		• Perhaps the On/Off Timer is set, press the power button, check page 18.
	by itself	• The power was interrupted or the power cord unplugged. Reset the clock, check page 17.
		• The Sleep Timer may be set, check page 24
The clock is wrong		• The power was interrupted and the clock not reset. Reset the clock, check page 17.
On Timer is blinking		• There is a problem with the TV. Unplug the set and call for service.
	PICTURE	CHECK
The picture color		• Tint and color may be improperly adjusted. Check page 15.
quality is poor		• Video Status mode may be set to an inappropriate setting. Check page 24.
There are lines		• There could be interference from another energy consuming appliance, such as a computer,
across the picture		another TV or VCR. Move any other such appliances farther away from the TV.
The picture is		• There could be interference from a running high wattage appliance such as a hair-dryer, vacuum
	spotted	cleaner, or neon sign. You will have to move the antenna away from the source of the
		interference or change it to a coaxial cable which is less prone to interference.
Double picture		• A building or airplane can reflect the original signal producing a second, delayed one. Adjust
	(Ghosts)	the antenna position.
Snowy picture/		• The antenna may be damaged, disconnected or turned. Check the antenna connection,
	Image noise	page 6, and your Quick Setup Guide. If it is damaged, you will have to replace it.
Screen is 80% black		• Closed Caption Text Mode is on. Turn it off in the Closed Caption Menu (page 18).
	SOUND	CHECK
Bilingual or stereo		• Make sure the MTS mode is properly set. Refer to page 16 for details on setting MTS Modes.
programs can’t beheard
There is no sound		• The volume is set to “0”. Adjust it by pressing the VOLUME + button.
	from the TV	• Has the Muting button been pressed? If so, press Muting again to return volume to normal.
	speakers.	• Is an earphone/headphone attached to the jack at the front of the TV? If the phones jack is in
		use, the TV’s speakers will not produce sound.
NOT A PROBLEM		DON’T WORRY ABOUT THIS, IT’S NORMAL
Static electricity		• It is normal to feel a surge of static electricity if you brush over or touch the screen.
You hear occasional		• It is normal for the TV to emit crackling sounds when turned on or off. Unless the sound or
crackling sounds		picture become abnormal, this is fine.