Appendices; Troubleshooting - JVC AV 20320 User Manual

Troubleshooting

PROBLEMS
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 39.
• The tuner (Auto Tuner Setup) could be set improperly. See page 19.
• The TV station may be having difficulties. Check to see if other stations are working.
• Check to see that the batteries are still working and properly installed.
Remote control is not
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 20.
• Check to see if the channel is locked. See "Channel Summary - Lock" page 20.
The power turns off • Make sure the set did not become unplugged.
by itself • Perhaps the On/Off Timer is set. See page 35.
• Check to see if the Sleep Timer was set. See page 38.
The clock is wrong • The power was interrupted and the clock was not reset. See page 33.
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 29.
is poor • The Video Status mode may be turned to the wrong setting. See page 30.
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.
• There could be interference from a high-wattage appliance, like a hairdryer or vacuum,
The picture is spotted
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 36.
Stereo or bilingual
• Make sure the MTS settings are correct. See "MTS" on page 32.
programs can't be
heard
There is no sound • The TV Speaker option may be turned off. See page 32.
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.
40
CHECK