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.

 

• The input mode could be set improperly. See page 56.

or sound

• The tuner (Auto Tuner Setup) could be set improperly. See page 42.

 

 

• 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.

 

• You can not output audio using the OPTICAL OUTPUT when you have digital sound from

 

an HDMI device connected the the HDMI 1 or HDMI 2 connection on the back of your TV.

 

(See page 19).

 

 

 

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 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 55.

 

• Check to see if the Sleep Timer was set. See page 58.

 

 

The clock is wrong

• The power was interrupted and the clock was not reset. See page 54.

 

 

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 58.

 

 

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 39.

 

 

Stereo or bilingual

• Make sure the MTS settings are correct. See page 63.

programs can't be

 

 

heard

 

 

 

 

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.

 

 

 

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JVC AV 48P777, AV-48P787, AV-56P787, AV 56P777 manual Troubleshooting, Problems, Check