Emerson LC320EM8A owner manual Troubleshooting Guide

Page 32

TROUBLESHOOTING

5Troubleshooting Guide

If the unit does not perform properly when operated as instructed in this owner’s manual, check the following chart once before calling for service.

Symptom

Remedy

No power	• Be sure the power cord is plugged in.
	• If a power failure occurs, unplug the power cord for 30 minutes to allow the unit to
	reset itself.
No picture or sound	• Check if the power is on.
	• Check the outlet connection.
	• Check the antenna or cable connection to the main unit.
	• When the outside antenna is used, check the wire condition and connection.
	• View other TV channels. The problem might be limited to the broadcasting station.
	• Turn off the power and wait for about 1 minute, then turn it on again.
No color	• Check the antenna or cable connection to the main unit.
	• When the outside antenna is used, check the wire condition and connection.
	• View other TV channels. The problem might be limited to the broadcasting station.
	• Adjust the “Color” in the main menu.
Sound OK, picture poor	• Check the antenna or cable connection to the main unit.
	• When the outside antenna is used, check the wire condition and connection.
	• 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.
Picture distorted	• When the outside antenna is used, check the wire condition and connection.
	• View other TV channels. The problem might be limited to the broadcasting station.
Weak picture	• Check the antenna or cable connection to the main unit.
	• When the outside antenna is used, check the wire condition and connection.
	• Adjust “Contrast” and “Brightness” in the main menu.
	• View other TV channels. The problem might be limited to the broadcasting station.
Lines or streaks in picture	• When the outside antenna is used, check the wire condition and connection.
	• Electrical interference from nearby appliances may affect picture quality.
	• View other TV channels. The problem might be limited to the broadcasting station.
Picture blurred	• When the outside antenna is used, check the wire condition and connection.
	• View other TV channels. The problem might be limited to the broadcasting station.
Ghosts in picture	• Check the antenna or cable connection to the main unit.
	• When the outside antenna is used, check the wire condition and connection.
	• Electrical interference from nearby appliances may affect picture quality.
	• View other TV channels. The problem might be limited to the broadcasting station.
Bars on screen	• When the outside antenna is used, check the wire condition and connection.
	• Electrical interference from nearby appliances may affect picture quality.
Picture rolls vertically	• When the outside antenna is used, check the wire condition and connection.
	• Electrical interference from nearby appliances may affect picture quality.
	• View other TV channels. The problem might be limited to the broadcasting station.
Different color marks on	• Move the unit away from nearby electric appliances. Turn off the power and wait
screen	30 minutes before turning it back on.
	• View other TV channels. The problem might be limited to the broadcasting station.
Poor reception on some	• Check the antenna or cable connection to the main unit.
channels	• When the outside antenna is used, check the wire condition and connection.
	• Electrical interference from nearby appliances may affect picture quality.
	• View other TV channels. The problem might be limited to the broadcasting station.
Picture OK, sound poor	• View other TV channels. The problem might be limited to the broadcasting station.

No reception of digital signals	• Make sure auto channel scan has been completed (Refer to “Auto Channel Scan” on
	page 13).
	Auto channel scan must be completed when you set up the unit for the first time
	or move it to a location where previously unavailable channels are broadcast.
	• The selected channel may not be broadcasting.
	• When auto channel scan is interrupted and not completed, some channels will not
	be received. Make sure to complete (Refer to “Auto Channel Scan” on page 13).

32

EN

Image 32

Contents LC320EM8A Introduction Important note is located on the rear of the cabinetPrecautions RADIO-TV InterferenceSupplied Accessories Symbols Used in this ManualRemote control LocationDTV/TV/CATV FeaturesContents Remote Control Function Installing the BatteriesControl Panel Rear PanelConnection Basic ConnectionAntenna Cable Connection Connection to Cable Box or Satellite BoxHDMI-DVI Connection External Device ConnectionHdmi Connection Component Video Cable Connection Video Cable ConnectionAnalog Video ConnectionAudio Output Connection Digital Initial Setting Initial SetupMake sure if the unit is connected to antenna or cable Scanning and memorizing of channels start automaticallyMain Menu Auto Channel ScanLanguage Press Setup to exitLanguage Selection Channel Selection 5Volume AdjustmentWatching TV Still Mode Switching Each ModeYou can freeze the image shown on the TV screen To use the Hdmi in jack on the unit, select HdmiSwitching Audio Mode StereoSAP MonoScreen Information Press InfoBroadcasting Information Day of MemoriesiTV Screen Display Mode To Cancel the Sleep Timer Sleep TimerPress Sleep to set the sleep timer 5Manual Register Optional SettingChannel List Antenna Confirmation AntennaPicture Adjustment Closed Caption Use Cursor K/L to select DTV CC, then press DTV Closed CaptionDTV CC Font Size CC StyleFont Style Font Color Font OpacityBack Color Back OpacitySee the following description for setting each item Chipip Enter passwordChip Use Cursor K/L to select V-chip, then pressPress Setup to exit Use Cursor K/L to select Mpaa Rating, then press EnterView and Block To Set the Sub RatingsUse Cursor K/L to select New Password, then press Enter Chipip Enter password Confirm passwordUse Cursor K/L to select Hdmi Audio, then press Hdmi AudioYou can set the method of sound input for the Hdmi in jack Troubleshooting Troubleshooting GuideCheck the batteries of the remote control Refer to IR Signal Check onInterrupt the remote control signal of this unit Delayed behind the dialogueMaintenance InformationGlossary AtscGeneral Specifications Electrical SpecificationOther Specifications Cable Channel DesignationsLimited Warranty