Uniden TL27WRA-B - Manual (Page 46)

• This TV uses a microcomputer, and so normal operation may be prevented by external noise or inter-
ference. If this happens, unplug the power plug from the power outlet, and wait several minutes before
re-inserting the power plug into the power outlet and turning the power on.
Troubleshooting (continued)
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Problem Probable Cause Page
Dark screen • Is brightness set low?
• Are brightness and contrast properly adjusted?
• A probable cause is that the fluorescent lamp has
reached the end of its service life.
The remote control does not • Are the batteries inserted properly?
work. • A probable cause is that the batteries in the remote
control have reached the end of their service life.
•
Is bright light from a fluorescent lamp falling on the
remote control IR receiver?
Picture is not sharp.
Picture flickers.
• A probable cause is poor reception.
• Is the antenna out of position?
• Is the outdoor antenna disconnected?
Double or triple picture images
• Is the antenna out of position?
•
A probable cause is the influence of waves reflected
from mountains or buildings.
Specks on screen • A probable cause is the effect of interference from
automobiles, railways, high-voltage lines,
neon signs, etc.
Color stripes or no color •
Is your TV being influenced by other equipment
(interference)?
Other probable causes are location of transmission
antennas for radio broadcasts or amateur radio
nearby or cell phones.
• Locate the TV as far away as possible from other
equipment thought to be emitting interference.
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REFERENCE