JVC AV-20420, AV-20421, AV 20420 manual Troubleshooting, Problems Check

Models: AV 20420 AV-20420, AV-20421

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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 35.

 

 

• The tuner (Auto Tuner Setup) could be set improperly. See page 17.

 

 

• 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

 

 

 

 

 

You cannot select a

 

• You may be too far from the TV. You must be within 23 feet (7 meters).

certain channel

 

• Make sure the channels have been programmed. See "Channel Summary", page 18.

 

 

• Check to see if the channel is locked. See "Channel Summary - Lock" page 18.

 

 

 

The power turns off

 

• Make sure the set did not become unplugged.

by itself

 

• Perhaps the On/Off Timer is set. See page 32.

 

 

• Check to see if the Sleep Timer was set. See page 36.

 

 

 

The clock is wrong

 

• The power was interrupted and the clock was not reset. See page 31.

 

 

 

The On Timer is

 

• There is a problem with the TV. Unplug the set and call for service.

blinking

 

 

 

 

 

The color quality

 

• Tint and Color may be improperly adjusted. See page 27.

is poor

 

• The Video Status mode may be turned to the wrong setting. See page 28.

 

 

 

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 33.

 

 

 

Stereo or bilingual

 

• Make sure the MTS settings are correct. See "MTS" on page 29.

programs can't be

 

 

heard

 

 

 

 

 

There is no sound

 

• The TV Speaker option may be turned off. See page 30.

from the TV's speakers

 

 

 

 

 

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-20420, AV-20421, AV 20420 manual Troubleshooting, Problems Check