Troubleshooting - Emerson LD280EM4 Owner's Manual

Troubleshooting

If the unit does not perform properly when operated as instructed in this Owner's Manual,
check the following Troubleshooting tips and all connections once before calling for Service.
Power
No power
• Make sure the AC Power cord is plugged in.
• Make sure that the AC outlet supplies the proper voltage, plug another
electrical appliance into the AC outlet to ensure that AC outlet operates
normally.
• If a power failure occurs, unplug the AC Power cord for 1 minute to allow
the unit to reset itself.
Remote
Control keys do not work.
• Do NOT press more than one key at the same time.
• Ensure that no keys on the Remote Control are depressed and move freely.
Universal Remote Control does not work properly.
• Refer to the user manual of the Universal Remote Control for the
Emerson
code.
Picture
Power is On but no screen image.
• Check whether the connection of the Antenna or Cable / Satellite Set-top
Box is connected correctly.
• Check whether all the cables to the unit are connected to the correct
Output jack of your device like Blu-ray disc / 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.
No color
• View other TV channels. The problem might be limited to the broadcasting
station or weak signal strength.
• Adjust Color in Picture settings. ➟ p.22
Picture poor, sound OK.
• Electrical interference from nearby appliances may affect picture quality.
• Adjust Contrast and Brightness in Picture settings. ➟ p.22
• View other TV channels. The problem might be limited to the broadcasting
station or weak 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.
You see noise or trash on the screen.
• When the capabilities of the unit exceed the capabilities of the Digital
broadcasting, the signal will be increased to match the capabilities of the
display of the unit. This may cause noise or trash.
Unusual picture appears and the TV does not operate.
• Press the power key.
Picture & Sound
No picture or sound
• Check if the Power is On.
• Check whether all the cables to the unit are connected to the correct
Output jack of your device like Blu-ray / DVD Recorder.
• View other TV channels. The problem might be limited to the broadcasting
station or weak 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 or Cable / Satellite Set-top
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
and current volume level will appear on the TV Screen.
• Make sure that the volume is NOT set to 0 or
adjust to the desired volume.
Adjusted Picture or Sound settings are not effective every time the unit is
turned On.
• You must set to Home in Location. ➟ p.30 (Otherwise, the settings you
adjusted will not be memorized after the unit goes into Standby Mode.)
You see a distorted picture or hear an unusual sound.
• 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.
Ghosts, lines or streaks in picture. (Analog TV- NTSC signal)
• Electrical interference from nearby appliances m ay affect picture quality.
• View other TV channels. The problem might be limited to the broadcasting
station or weak signal strength.
Sound
No sound, distorted sound or incorrect Audio Sound is heard when using
the HDMI-DVI connections.
• Make sure that the Analog Audio signals from the HDMI-DVI device are
connected to the Analog Audio (L/R) Input jacks.
• When using Composite Analog Video, make sure that the Analog Audio
(L/R) connectors are mounted into the Audio (L/R) Input jacks.
Sound poor, picture OK
• View other TV channels. The problem might be limited to the broadcasting
station or weak signal strength.
• Check if the Audio Cable is connected into the unit correctly.
You switch to a different Input and the volume changes.
• This unit will memorize the volume level from the last time you adjusted it.
• If the volume of the sound from another device is higher or lower, then the
loudness will change.
• Make sure Auto volume leveling is set to On. ➟ p.23
42
English
so that the volume bar
. If so, use VOL + / to