Chapter 9. Trouble shooting9-1. Simple checkNo picture/ No soundVerify if the television is properly pluggedVerify if the television is properly supplied powerVerify if electricity is available.Blank screenVerify if correct signals are inputPress INPUT button to change signal input to TV inputRestart the television of power supply is interruptedNo soundPress Mute button and verify if Mute mode is set.Switch to otger channel and verify if the same problemhappens.Press VOL+ button to see of he problem can be solved.Poor sound Verufy if sound system is correct .Refer to some chapter foradjust.No picture in some channelVerify if correct channel is selected.Adjust the antenna.Make adjustments by Fine Tune and MANUAL Scan.No color for some channel program(black and white)Verify if the same problem exists in other channels.check out of picture and sound system.Refer to relative instructions in the Manual for color adjust.Spots with some or all picturesVerify if the antennal is correctly connected.Verify if the antennal is in good condition.0DNH¿QHDGMXVWPHQWRIFKDQQHOHorizontal/ vertical bars or pictureshakingCheck for local interference such as an electrical applianceor power tool.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.Service ManualModel No.:56L32/42F6