Haier L42A9 Owner's Manual

Also see for L42A9: Service manual

27TroubleshootingSymptoms Items to Check and Actions to follow“Ghost” or doubleimages•This may be caused by obstruction to the antenna due to high rise buildings or hills.Using a highly directional antenna may improve the picture.No power •Check that the TV's AC power cord is plugged into the mains socket.•Unplug the television, wait for 60 seconds. Then re-insert plug into the mains socketand turn on the television again.No picture •Check antenna connections at the bottom of the TV to see if they are properly connected to the TV.•Possible broadcast station trouble. Try another channel.•Adjust the contrast and brightness settings. Try another auto picture setting.•Check if you selected the correct AV source.No picture and powerswitched on•Your TV has a protective mode in case there is too much heat build-up. Check theclearance around the vents of the device to be certain there are no blocking walls orcabinets which would limit the air Row.Picture positionadjustmentMost High Definition receiver boxes also have picture-positioning controls in their menu systems. If theTV cursor controls run out of range before the picture is correctly positioned, the receiver box controlswill need to be adjusted.No photo，music orvideo play or in poorquality only•Check if the source complies with a supported code.No sound •Increase the VOLUME.•Check that the TV is not muted, press the MUTE button on the remote control.•When no signal is detected, the TV automatically switches off the sound. This is properoperation and does not indicate a malfunction.Good sound but poorcolor or no picture•Adjust the contrast, color, tint and brightness setting. Try another auto picture setting.Snowish picture andnoise•Check the antenna connectionTelevision notresponding toremote control•Check whether the batteries are working. Replace if necessary.•Clean the remote control sensor lens on the monitor.•Operating range between TV and the remote control should not be more than approximately twenty feet.•You can still use the buttons on the side of your TV.•Check if the remote control is in the correct mode.Control of accessorydvices•The infrared signals of the screen may inRuence the reception sensibility of other peripherals Solution:Replace the batteries of the remote control of other devices. E.g. keep away a wireless headphone fromwithin a radius of approximately four feet.PC modes do notwork•Check whether connections are correct.•Check whether the source is correctly selected Press AV button to select the correct source.•Check whether you have configured the computer on a compatible display resolution.Standby Your TV consumes energy less than 1w in the standby mode.After impropershutdownIf your TV has been shutdown in an improper way (e.g. power drop, power cord plug out), starting up the TVagain will take a longer time than usual.Miscellaneous See Extras, Specifications on this user manual.