Troubleshooting; Troubleshooting Guide - Sylvania LC420SS8 Manual Del Usuario

T
ROUBLESHOOTING

Troubleshooting Guide

If the unit does not perform properly when operated as instructed in this owner's manual, check the following chart once
before calling for service.
Symptom
No power
No picture or sound
No color
Sound OK, picture poor
Picture distorted
Weak picture
Lines or streaks in picture
Picture blurred
Ghosts in picture
Bars on TV screen
Picture rolls vertically
Different color marks on
TV screen
Poor reception on some
channels
Picture OK, sound poor
No reception of digital signals
Remedy
• Be sure the power cord is plugged in.
• If a power failure occurs, unplug the power cord for 30 minutes to allow the unit to
reset itself.
• Check if the power is on.
• Check the outlet connection.
• Check the antenna or cable connection to the main unit.
• When the outside antenna is used, check the wire condition and connection.
• View other TV channels. The problem might be limited to the broadcasting station.
• Turn off the power and wait for about 1 minute, then turn it on again.
• Check the antenna or cable connection to the main unit.
• When the outside antenna is used, check the wire condition and connection.
• View other TV channels. The problem might be limited to the broadcasting station.
• Adjust the "Color" in the main menu.
• Check the antenna or cable connection to the main unit.
• When the outside antenna is used, check the wire condition and connection.
• Electrical interference from nearby appliances may affect picture quality.
• Adjust "Contrast" and "Brightness" in the main menu.
• View other TV channels. The problem might be limited to the broadcasting station.
• When the outside antenna is used, check the wire condition and connection.
• View other TV channels. The problem might be limited to the broadcasting station.
• Check the antenna or cable connection to the main unit.
• When the outside antenna is used, check the wire condition and connection.
• Adjust "Contrast" and "Brightness" in the main menu.
• View other TV channels. The problem might be limited to the broadcasting station.
• When the outside antenna is used, check the wire condition and connection.
• Electrical interference from nearby appliances may affect picture quality.
• View other TV channels. The problem might be limited to the broadcasting station.
• When the outside antenna is used, check the wire condition and connection.
• View other TV channels. The problem might be limited to the broadcasting station.
• Check the antenna or cable connection to the main unit.
• When the outside antenna is used, check the wire condition and connection.
• Electrical interference from nearby appliances may affect picture quality.
• View other TV channels. The problem might be limited to the broadcasting station.
• When the outside antenna is used, check the wire condition and connection.
• Electrical interference from nearby appliances may affect picture quality.
• When the outside antenna is used, check the wire condition and connection.
• Electrical interference from nearby appliances may affect picture quality.
• View other TV channels. The problem might be limited to the broadcasting station.
• Move the unit away from nearby electric appliances. Turn off the power and wait
30 minutes before turning it back on.
• View other TV channels. The problem might be limited to the broadcasting station.
• Check the antenna or cable connection to the main unit.
• When the outside antenna is used, check the wire condition and connection.
• Electrical interference from nearby appliances may affect picture quality.
• View other TV channels. The problem might be limited to the broadcasting station.
• View other TV channels. The problem might be limited to the broadcasting station.
• Make sure auto channel scan has been completed. (Refer to "Auto Channel Scan"
on page 14.)
Auto channel scan must be completed when you set up the unit for the first time
or move it to a location where previously unavailable channels are broadcast.
• The selected channel may not be broadcasting.
• When auto channel scan is interrupted and not completed, some channels will not
be received. Make sure to complete. (Refer to "Auto Channel Scan" on page 14.)
33
EN