Magnavox 37MD359B User Manual

Also see for 37MD359B: Quick start guide Specifications User manual User manual

Contents

52ENTROUBLESHOOTING Troubleshooting GuideIf 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.Symptom RemedyTVNo power• Make sure the AC power cord is plugged in.• Make sure that the AC outlet supplies the proper voltage, plug another electricalappliance into the AC outlet.• If a power failure occurs, unplug the AC power cord for 1 minute to allow the unitto reset itself.Control button does not work. • Press only one button at a time. Do NOT press more than one buttons at the sametime.Power is ON but no screenimage.• Check whether the connection of the antenna, cable receiver or satellite box isconnected correctly.• Check whether all the cables to the unit are connected to the correct output jackof 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 isin PC mode. Tap any key on the keyboard to wake up your computer.No picture or sound• 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 jackof your device like BD/DVD recorder.• View other TV channels. The problem might be limited to the broadcasting station.• Turn off the unit and wait for about 1 minute, then turn on the unit again.• Check whether the connection of the antenna, cable receiver or satellite box isconnected 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 isin PC mode. Tap any key on the keyboard to wake up your computer.• Make sure that the sound is not muted. Press [MUTE] so that the volume bar andcurrent volume level will appear on the TV screen.• Make sure that the volume is NOT set to “0” or “Mute”. If so, use [VOL + / -] toadjust the desired volume.No color • View other TV channels. The problem might be limited to the broadcasting station.• Adjust “Color” in the main menu.Adjusted ‘‘PICTURE” or ‘‘SOUND”is not effective every time turnon the unit.• You must set ”Home” in ”Location” (Refer to page 35).Otherwise, the settings you adjusted will not be memorized after you turn off theunit.Sound OK, picture poor• Electrical interference from nearby appliances may affect picture quality.• Adjust “Contrast” and “Brightness” in the main menu.• View other TV channels. The problem might be limited to the broadcasting station.• 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.• Check if the audio cable is connected in correctly.You see a distorted picture orhear 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 inpicture• Electrical interference from nearby appliances may affect picture quality.• View other TV channels. The problem might be limited to the broadcasting station.You see “noise” or “trash” on thescreen.• When the capabilities of the unit exceed the capabilities of the digitalbroadcasting, the signal will be increased to match the capabilities of the displayof the unit. This may cause noise or trash.Different color marks on the TVscreen • View other TV channels. The problem might be limited to the broadcasting station.