To assist in location possible faults use help guide below.Note:1.If the fault can not be repaired using the above guide consult with your local authorized servicecenter.2.The TV set must only be repaired by a qualified registered service person. Never attempt toremove the back cover as the TV set has dangerous voltages in side that may cause a fatally or fire.Troubleshooting GuideTroubleshootingNo picture, no sound Verify if the television is properly plugged.Verify if the television is properly supplied power.Verify if electricity is available.Blank screen Verify if correct signals are input.Press TV/AV button to change signal input to TV input.Restart the television of power supply is interrupted.No soundPress Mute button and verify if Mute mode is set.Switch to other channel and verify if the same problemhappens.Press VOL+ button to see if the problem can be solved.Poor sound Verify if sound system is correct. Refer to some chapterfor adjust.No picture in somechannelVerify if correct channel is selected.Adjust the antenna.Make adjustments by FINE TUNE and MANUAL SEARCH.No color for some channelprogram (black and white)Verify if the same problem exists in other channels.Check out of picture and sound systems.Refer to relative instructions in the Manual for coloradjust.Spots with some orall picturesVerify if the antenna is correctly connected.Verify if the antenna is in good condition.Make fine adjustment of channel.Television out of controlDisconnect the television from power supply and, 10seconds later, connect the television to the power supply.If the problem still exists, contact authorized after-salesservice for technical assistance.