32
EN
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.
5
Symptom
Remedy
No power
• 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.
No picture or sound
• 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.
No color
• 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.
Sound OK, picture poor
• 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.
Picture distorted
• 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.
Weak picture
• 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.
Lines or streaks in picture
• 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.
Picture blurred
• 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.
Ghosts in picture
• 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.
Bars on screen
• When the outside antenna is used, check the wire condition and connection.
• Electrical interference from nearby appliances may affect picture quality.
Picture rolls vertically
• 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.
Different color marks on
screen
• 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.
Poor reception on some
channels
• 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.
Picture OK, sound poor
• View other TV channels. The problem might be limited to the broadcasting station.
No reception of digital signals
• Make sure auto channel scan has been completed. (Refer to “Auto Channel Scan”
on page 13
.
)
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 13
.
)
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2007/05/24 14:12:48
2007/05/24 14:12:48
