Magnavox 50MF412B Wake up your computer, If so, use VOL + / − to adjust to the desired volume

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Symptom	Remedy
Power is ON but no screen	•• Check whether the connection of the antenna, cable receiver or satellite box is connected correctly.
image.	•• 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 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, 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	so that the volume bar and current volume level will appear on the TV screen.
	•• Make sure that the volume is NOT set to 0 or	. If so, use VOL + / − to adjust to the desired volume.
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. 19
No sound, distorted sound or	•• Make sure that the Analog Audio signals from the HDMI-DVI device are connected to the Analog Audio (L/R) Input jacks.
incorrect Audio Sound is heard	•• When using Component Analog Video, Composite Analog Video or PC VGA Video make sure that the Analog Audio (L/R)
when using the HDMI-DVI
	connectors are mounted into the Audio (L/R) Input jacks.
connections.
Adjusted Picture or Sound	•• You must set Home in Location. ➠ p. 27
settings are not effective every	Otherwise, the settings you adjusted will not be memorized after the unit goes into Standby mode.
time the unit is Turned On.
Sound OK, picture poor	•• Electrical interference from nearby appliances may affect picture quality.
	•• Adjust Contrast and Brightness in Picture settings. ➠ p. 19
	•• 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.
Picture OK, sound poor	•• 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 see a distorted picture or	•• You may be getting interference from electrical appliances, automobiles, motorcycles or fluorescent lights.
hear an unusual sound.	•• Try moving the unit to another location to see if this is the cause of the problem.
Ghosts, lines or streaks in picture	•• Electrical interference from nearby appliances may affect picture quality.
	•• View other TV channels.The problem might be limited to the broadcasting station or weak signal strength.
You see noise or trash on the	•• When the capabilities of the unit exceed the capabilities of the Digital broadcasting, the signal will be increased to match the
screen.	capabilities of the display of the unit.This may cause noise or trash.
Different color marks on the TV	•• View other TV channels.The problem might be limited to the broadcasting station, missing data or pixelation.
screen
You switch to a different Input	•• This unit will memorize the volume level from the last time you adjusted it.
and the volume changes.	•• 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. 20
You switch to a different Input	•• This unit will memorize the viewing mode from the last time you used the particular Input modes.
and the screen size changes.
The display image does not	•• If you are using the unit as a PC monitor, make sure that Horizontal position and Vertical position in PC settings are set correctly.
cover the entire screen.	•• If you are watching TV or using the Composite Video, Component Video or HDMI with 480i Input, press FORMAT repeatedly to
	switch various screen modes.
Captions are displayed as a white	•• Interference from buildings or weather conditions may cause captioning to be incomplete if watching Analog TV signals.
box. No caption is displayed in	•• Broadcasting station may shorten the program to insert advertisements.
the Closed Caption-supported
	•• The Closed Caption decoder cannot read the information of the shortened program.
program.
Black box is displayed on the TV	•• The text mode is Selected. For caption, select CC-1, CC-2, CC-3, CC-4 or Off.
screen.

Note

••The LCD screen is manufactured to provide many years of useful life. Occasionally a few non active pixels may appear as a fixed point of blue, green or red. This is not to be considered a defect in the LCD screen.

••Some functions are not available in specific modes, but this is not a malfunction. Read the description in this Owner’s Manual for more details on correct operations.

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