JVC LT-42XM48, LT-47X788, LT-42X788, LT-37XM48 manual Troubleshooting, Problems Check

Troubleshooting

Refer to the table below to check the condition. If you think that there is a problem, contact the JVC Service Center where you purchased the television.

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.
	• The input mode could be set improperly. See page 59.
or sound
	• The tuner (Auto Tuner Setup) could be set improperly. See page 41.
	• The TV station may be having difficulties. Check to see if other stations are working.
	• Use the HDMI cable with HDMI logo	. See page 19.
	• If you have a device connected to INPUT-1 or INPUT-2, you will not be able to hear any
	audio from the AUDIO OUT on the back of the TV.
	• You cannot output audio using the OPTICAL OUTPUT when you have digital sound from
	an HDMI device connected to the INPUT-1 or INPUT-2 connection on the back of the TV.
	(See page 18).
	• This TV can accept 480i (Composite / S / HDMI / Component), 480p, 720p and 1080i
	signals. Please check your settings.
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	• 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 42.
certain channel	• Check to see if the channel is locked. See "Channel Summary - Lock" page 43.
The power turns off	• Make sure the set did not become unplugged.
by itself	• Perhaps the On/Off Timer is set. See page 54.
	• Check to see if the Sleep Timer was set. See page 61.
It does not operate	• This television is operated by a microprocessor. It is possible that external noise or
correctly	interference is causing the problem. If the television does not function correctly, remove the
	electrical plug from the wall outlet and wait a while before inserting it into the wall outlet
	again and operating the television.
The clock is wrong	• The power was interrupted and the clock was not reset. See page 53.
The color quality	• Tint and Color may be improperly adjusted. See page 47.
is poor	• The Video Status mode may be turned to the wrong setting. See page 60.
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 80% black	• The Closed Caption Text mode is on. Turn it off in the Closed Caption Menu, page 37.
Stereo or bilingual	• Make sure the MTS settings are correct. See page 64.
programs can't be
heard

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