Maintenance; Troubleshooting; E12 - LENCO TFT-2402 User Manual

WARNING:
FOR YOUR PERSONAL SAFETY, BE SURE TO DISCONNECT THE AC POWER CORD BEFORE
PROCEEDING WITH ANY MAINTENANCE OR CLEANING.
Cleaning the LCD Panel
The LCD panel should not be toughed with sharp objects. If dust and fi ngerprints is on the LCD panel surface, wipe them off
with a clean soft cloth.
Wipe in a straight motion from the center to the outside of the LCD panel.
Never use chemicals such as record cleaning sprays, antistatic sprays or fl uids, benzene or thinner to clean the LCD panel.
Cleaning the Main Unit
Clean the outside of the unit with a clean soft cloth moistened with luke-warm water. Do not use benzene, thinner or alcohol
since they will mar the fi nish of the surface.
Symptom
Possible cause
Corrective active
No Picture and sound.
Power cord is not correctly connected with the main unit.
Connected the power cord with the main unit.
Power cord is not plugged into an AC outlet.
Plug the power cord into an AC outlet.
The wrong input source is selected.
Select a correct input source.
The input source is failed to connect with the TV.
Make correct connections.
No sound only.
Volume control is set to minimum.
Press the VOL+ button to increase the volume.
The button on the remote control is pressed.
Press the (or VOL+/-) button to release the volume.
An incorrect sound system mode is setted.
Set a correct sound system from the main menu to
match your TV.
Note:
A few bright dots and dark dots may appear on the TV screen, that is normal appearance.

MAINTENANCE

TROUBLESHOOTING

Symptom
Possible cause
No picture only, or monochrome picture.
The color system setting doesn't match the program.
The sound system setting doesn't match the program.
Interfered sound or picture.
Some equipment that brings interference is nearby the TV.
Multi devices plug into the same one AC outlet collections.
An incorrect sound system mode is setted.

E12

Corrective active
Set the proper color system setting.
Set the proper sound system setting.
Keep these things away from the TV.
Plug the power cord into another AC outlet.
Set a correct sound system from the main menu to
match your TV.