Emerson LC420EM8 owner manual 5Troubleshooting Guide, Symptom Remedy

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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 TV 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
TV 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 14.)
	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 14.)

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Contents To Receive DIGITAL/ANALOG SIGNAL, YOU Must Connect Antenna LC420EM8Precautions IntroductionFCC Warning RADIO-TV InterferenceDo not handle the power cord with wet hands Avoid a place with drastic temperature changesWhen Carrying this Unit Location and Handling5Supplied Accessories 5Symbols Used in this Manual5Attaching the Stand 5Trademark InformationDTV/TV/CATV FeaturesContents 5Buttons on the Remote Control 5Installing the Batteries5Control Panel 5Rear PanelPreparation 5Basic ConnectionAntenna Connection Connection to Cable Box or Satellite BoxHDMI-DVI Connection 5External Device ConnectionHdmi Connection Component Video Connection Video ConnectionAudio Output Connection Analog5Attaching a Wall Mount Bracket sold separately # CautionInitial Setting 5Initial SetupMake sure if the unit is connected to antenna or cable Scanning and memorizing of channels start automatically5Main Menu 5Auto Channel ScanLanguage Press Setup to exit5Language Selection 5Volume Adjustment 5Sleep TimerWatching TV 5Channel Selection5Switching Audio Mode 5Still Mode5Switching Each Mode 5Screen Information Broadcasting InformationPress Info Day of Memoriesi5TV Screen Display Mode Optional Setting 5Channel List5Manual Register Enter5Antenna Confirmation Antenna5Picture Adjustment 5Sound Adjustment You can adjust treble, bass and surroundAdjust the sound setting SurroundCaption Mode CC1 and Text1 5Closed CaptionCC3 and Text3 CC2, CC4, Text2 and Text4Use Cursor K/L to select DTV CC, then press Enter 5DTV Closed CaptionDTV CC Setting description for each item is shown below 5CC StyleFont Style Font SizeFont Color Font OpacityBack Color Back OpacityChipip Enter password ChipUse Cursor K/L to select V-chip, then press Enter Chip ipTo Set the Sub Ratings Use Cursor K/L to select Mpaa Rating, then press EnterUse Cursor K/L to select TV Rating, then press Enter ChipipUse Cursor K/L to select New Password, then press Enter Chipip Enter password Confirm password5HDMI Audio HDMI1Symptom Remedy Troubleshooting5Troubleshooting Guide Check the batteries of the remote control Refer to IR Signal Check onInterrupt the remote control signal of this unit Delayed behind the dialogueMaintenance InformationGlossary With an AM radio5General Specifications 5Electrical Specification5Other Specifications 5Cable Channel DesignationsLimited Warranty Manual del Usuario Introducción PrecaucionesNúmero de serie Advertencia DE LA FCCPara Evitar Peligros DE Descarga Eléctrica O Incendio Colocación Y ManejoNota Acerca DEL Reciclado Transporte DE Esta Unidad5Accesorios Suministrados 5Conectar el Soporte5Símbolos Utilizados en este Manual 5Información sobre Marcas RegistradasCaracterísticas Contenido5Botnes en el Mando a Distancia 5Instalación de las Pilas5Panel de Control 5Panel TraseroPreparación 5Conexión BásicaConexión de Antena Conexión a Caja de Cable o Caja de SatéliteConexión HDMI-DVI 5Conexión de Dispositivo ExternoConexión Hdmi Conexión de Vídeo en Componentes Conexión de S-videoAnalógica Conexión de VídeoConexión de Salida de Audio # Cuidado Esta operación tardará unos momentos 5Configuración InicialAjuste Inicial 5Menú Principal 5Exploración Automática de CanalesIdiomaI Presione Setup para salir5Selección de Idioma 5Ajuste de Volumen Para VER LA Televisión5Selección de Canal 5Temporizador de ApagadoEstéreo 5Modo Fijo5Para Cambiar entre Cada Modo 5Información de Pantalla Información de emisiónPresione Info Un díaía de recuerdos5Modo de Visualización de Pantalla del Televisor Ajuste Opcional 5Lista de Canales5Registro Manual Lista Canales l5Confirmación de la Antena Antena5Ajuste de Imagen Restablecer AjustesTempe. de Color Modo de Imagen5Ajuste de Sonido Agudo, GraveFunción surround, luego presione Enter Utilice Cursor K /L para seleccionar Restablecer, ySubtítulos Modo de subtítulos S.C.1 y Texto13 y Texto3 2, S.C.4, Texto2 y Texto45Subtítulos en DTV DTV deseados, y luego presione Enter5Estilo CC Tamaño FuenteLuego presione Enter Como sigueColor Fuente Tipo BordeColor Fondo Opaco AtrásChipip Introduzca cód. de acceso Para Ajustar las Subcategorías Picture Association of AmericaUtilice Cursor K/L/s/B para seleccionar la Clasificación deseada y luego presione EnterNueva Código de Acceso 5Audio Hdmi AudioSíntoma Solución Solución DE Problemas5Guía de Solución de Problemas El número de canal Introducido cambiaCon el sensor de infrarrojos Infrarrojos en la parte delantera de la unidadInformación GlosarioMantenimiento Con una radio AM5Denominaciones de Canales de Cable 5Especificaciones Generales5Especificación Eléctrica 5Otras EspecificacionesGarantía Limitada