JVC AV-56P785, AV-56P775, AV-48P775, AV 56P775, AV 48P775 manual Troubleshooting

	Troubleshooting
PROBLEMS	CHECK
There is no power	• See if the power cord became unplugged.
	• Check for a blown fuse or circuit breaker or a power outage.
There is no picture	• The antenna could be disconnected.
or sound	• The input mode could be set improperly. See page 62.
	• The tuner (Auto Tuner Setup) could be set improperly. See page 35.
	• The TV station may be having difficulties. Check to see if other stations are working.
Remote control is not	• Check to see that the batteries are still working and properly installed.
operating properly or	• Make sure the remote has a clear sight path to the TV.
at all	• Check that the TV/CATV switch is in the proper position.
	• You may be too far from the TV. You must be within 23 feet (7 meters).
You cannot select a	• Make sure the channels have been programmed. See "Channel Summary", page 36.
certain channel	• Check to see if the channel is locked. See "Channel Summary - Lock" page 37.
The power turns off	• Make sure the set did not become unplugged.
by itself	• Perhaps the On/Off Timer is set. See page 59.
	• Check to see if the Sleep Timer was set. See page 65.
The clock is wrong	• The power was interrupted and the clock was not reset. See page 58.
The color quality	• Tint and Color may be improperly adjusted. See page 55.
is poor	• The Video Status mode may be turned to the wrong setting. See page 64.
There are lines	• There could be interference from another electrical appliance, such as a computer,
across the picture	another TV or VCR. Move any such appliances further away from the TV.
The picture is spotted	• There could be interference from a high-wattage appliance, like a hairdryer or vacuum,
	operating nearby. Move the antenna away from the appliance or change to a coaxial
	cable connection which is less prone to interference.
There are double	• A building or passing airplane can reflect the original signal and produce a second,
pictures (ghosts)	slightly delayed one. Adjust your antenna position.
Picture is snowy	• Your antenna may be damaged, disconnected or turned. Check the antenna
(image noise)	connection. If the antenna is damaged, replace it.
Screen is 40% black	• The Closed Caption Text mode is on. Turn it off in the Closed Caption Menu, page 47.
Stereo or bilingual	• Make sure the MTS settings are correct. See page 65.
programs can't be
heard
There is no sound	• The Center CH Input may be turned on. See page 54.
from the TV's
speaker
Static electricity	• It is normal to feel static electricity if you brush or touch the screen.
You hear occasional	• It is normal for the TV to make crackling sounds when first turned on or off. Unless
crackling sounds	the sound or picture become abnormal, this is fine.
The AUTO DEMO	• The TV recieved a signal from the AV CompuLink
finished automatically	• The On Timer that you programmed has started.
	• The channel that the AUTO DEMO is using is a channel that is blocked by V-Chip.
	• The Auto Shut Off that you programed has occured.
The square appears	• It appears when you are operating the Auto Convergence. If not, then this may
and blinking	be a problem with the Auto Convergence. Contact a service agent.
It does not operate	• Press the CHANNEL- and VOLUME- buttons on the front panel of the TV simultaneously
correctly	for a few seconds. The Digital Tuner will be reset. If this does not reset it correctly, unplug
	the power cord and plug it back in.

83