Haier HT-3728, HT-3768, 37T6D-T, 21TA1(S), 21TA1(D), 21F7A Troubleshooting, Check these things

Page 28

Troubleshooting

Before calling service personnel, please check the following chart for a

possible cause to the trouble you are experiencing.

	Symptom		Check these things
	TV is not		Be sure the power cord is plugged in.
	turned on		Be sure the power cord is plugged in.
	turned on
	Good picture ,		The MUTE function may be used.
	no sound		Adjust the volume of the TV set.

			The contrast, color and tint may be incorrectly adjusted.
	Poor color / tint,		If you change the direction of the TV while the TV is on, the picture
	good sound		may suffer from color shading. If so, turn off the TV and allow about
			30 minutes to cool, then turn on the TV again.

	Spots appear		The broadcast signal may be jammed by other electrical sources such
	Spots appear		as cars, motorcycles, electric trains, high tension lines, neon signs, hair
	on the screen
	on the screen		dryers.
			dryers.

	Lines appear		The broadcast signal may be jammed by other TV receivers, personal
	on the screen		computers, and TV games, as well as interference from radio stations.
	Double images		Interference may be due to broadcast waves reflected from mountains
	Double images		or buildings.
	or ghosts		or buildings.
	or ghosts		Check if the direction of the antenna is changed.
	Snowy picture or		The antenna may be disconnected or falling out.
	black screen		Check if the direction of the antenna is changed.

			The batteries in the remote control may be exhausted.
	Remote control		The batteries may be improperly installed.
	Remote control		Check if there are obstacles between the remote control and the
	does not work		remote (infrared ray) receiver.
			Check if there is strong light interference around the remote (infrared)
			receiver.
			Check if the main power is ON.

The following conditions are not troubles

Clacking noise inside	It may result from the expansion of the shell caused by a temperature
the receiver	change. This will not affect the picture and sound quality.

Uneven colour in a	If the picture is too bright, this may occur according to the nature of
certain portion of the	the pictures. Reduce the contrast, and it may resume to normal.
screen

CAUTION

In case of problems, have your TV serviced by qualified personnel.Never attempt to service the set yourself since opening the cabinet may expose you to dangerous voltage or other hazards.

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Contents Colour TV Receiver Contents Explanation on the display tube Preparation for the remote control InstallationAntenna connection Position of Keys and Plug-ins Front panelBack panel HT-3768/37T6D-TUsing the Remote Control Buttons and DescriptionsPower On and Power Off Power on/offConnect/disconnect to the power Power supply auto-off functionHow to select the TV program Choose the proper volume you likeViewing TV Programs Viewing TV programsProgram scanning function Viewing TV ProgramsScreen display Automatic search TuningAutomatic search Manual search Manual searchMFT MFTmanual fine tuneSkip If you want to recover the skipped channelSkip Multiple picture modes Adjusting the Picture and the SoundSet the parameter of Memory How to select the sound mode Setting the soundVolume store Multiple Sound ModesAdjusting the Picture and the Sound How to use the S.C.Csoft change channelHow to use the Count function How to use the Mute functionTimer off Timer offSetting the Timer Sleep timer and timer onSleep timer Timer onChannels appointment Channels appointmentSetting the other Function How to select the language on the screenHow to activate the function of screen protection Language and Screen protectionHow to use the Calendar function How to use the Curtain functionCurtain function and calendar display Channel exchange Channel ExchangeChanging your password Setting the LockChanging your password Setting the Lock Setting the LockGame Game control buttons and method of playing the gameGame control buttons Method of playing the gameConnecting Additional Equipments Connecting additional equipmentsTroubleshooting Check these thingsSpecifications Specifications0090504564A

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