Emerson LC407EM1 Owner's Manual page 32

Troubleshooting Guide
If the unit does not perform properly when operated as instructed in this manual,
check the following chart and all connections once before calling for service.
• Make sure the AC power cord is plugged in.
• Make sure that the AC outlet supplies the proper voltage, plug another electrical
No power appliance into the AC outlet to ensure that AC outlet operates norma{ly.
• If a power failure occurs, unplug the AC power cord for I minute to allow the unit to
reset itself,
Control button does not work.
Power is ON but no screen
image,
No picture or sound
• Press only one button at a time. Do NOT press more than one button at the same time.
• Ensure that no buttons on the remote are depressed and move freely.
• Check whether the connection of the antenna, cable receiver or satellite box is
connected correctly.
• Check whether all the cables to the unit are connected to the correct output jack of
your device like BD/DVD recorder.
• Make sure that the selected input mode is connected to the working input jack.
• Check if your computer is NOT in sleep mode when the input mode of this unit is in PC
mode.Tap any key on the keyboard to wake up your computer.
• Check if the power is on.
• Check if the right input mode is selected.
• Check whether all the cables to the unit are connected to the correct output jack of
your device like BD/DVD recorder.
• View otherTV channels.The problem might be limited to the broadcasting station or
weal< signal strength.
• Unplug the AC power cord and wait for about 1 minute, then plug the AC power cord
and turn on the unit again.
• Check whether the connection of the antenna, cable receiver or satellite box is
connected correctly,
• Make sure that the selected input mode is connected to the working input jack.
Check if your computer is NOT in sleep mode when the input mode of this unit is in PC
mode.Tap any key on the keyboard to wake up your computer.
Make sure that the sound is not muted. Press MUTE u_<so that the volume bar and
current volume level will appear on theq_x/screen.
Make sure that the volume is NOT setto [0] or [Mute]. If so, use VOL +/-to adjust the
desired volume.
View otherTV channels.The problem might be limited to the broadcasting station.
No color
Adjust [Color] in the main menu.
Adjusted [Picture] or [Sound]
settings are not effective every
time the unit is turned on.
Sound OK, picture poor
Picture OK, sound poor
You see a distorted picture or
hear an unusual sound.
You must set [Home] in [Location]. i,l_ p.30
Otherwise, the settings you adjusted will not be memorized after the unit goes to the
standby mode.
Electrical interference from nearby appliances may affect picture quality.
Adjust [Contrast] and [Brightness] in the main menu.
View otherTV channels.The problem might be limited to the broadcasting station or
weal< signal strength.
For the best picture quality, watch "High Definition" wide screen programs.
If the HD content is not available, watch "Standard Definition" programs instead.
View otherTV channels.The problem might be limited to the broadcasting station or
weal< signal strength.
Check if the audio cable is connected in correctly.
You may be getting interference from electrical appliances, automobiles, motorcycles or
fluorescent lights.
Try moving the unit to another location to see if this is the cause of the problem.
Electrical interference from nearby appliances may affect picture quality.
Ghosts, lines or streaks in picture View otherTV channels.The problem might be limited to the broadcasting station.
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