Samsung HL72A650C1F user manual Appendix Troubleshooting, Problem Possible Solution

Appendix

Troubleshooting

If the TV seems to have a problem, first try this list of possible problems and solutions. If none of these troubleshooting tips apply, call your nearest Samsung service center.

Problem	Possible Solution
Poor picture quality.	Try another channel.
	Adjust the antenna.
	Check all wire connections.
Poor sound quality.	Try another channel.
	Adjust the antenna.
No picture or sound.	Try another channel.
	Press the SOURCE button.
	Make sure the TV is plugged in.
	Check the antenna connections.
	Make sure the MUTE button is off.
No sound or sound is too low at	First, check the volume of units connected to your TV (digital broadcasting receiver, DVD, cable
maximum volume.	broadcasting receiver, VCR, etc.). Then, adjust the TV volume accordingly.
Picture rolls vertically.	Check all connections.
The TV operates erratically.	Unplug the TV for 30 seconds, then try operating it again.
The TV won’t turn on.	Make sure the wall outlet is working.
Remote control malfunctions	Replace the remote control batteries.
	Clean the upper edge of the remote control (transmission window).
	Check the battery terminals.
	Press the TV button to put your remote control in the TV mode.
	Make sure the remote has batteries.
	Check that the “+” and “-” ends of the batteries are inserted correctly.
Digital broadcasting screen problem.	Please check the digital signal strength and input antenna.
The image is too light or too dark.	Adjust the Brightness and Contrast.
	Adjust the Fine tuning.
The image is too large or too small.	Adjust the Size settings.
The visual qualities of digital channels	The visual qualities of digital channels may vary depending on the original production method
vary.	(analog or digital).
	- If the original production method is digital: High visual quality.
	- If the original production method is analog: The digital program displayed on the screen is
	originally an analog program which has been converted to digital.
	The visual quality is of an SD(Standard Definition) grade.
Screen is black and power indicator	On your computer; check the Power and Signal Cable.
light blinks steadily.	The TV is using its power management system.
	Move the computer’s mouse or press any key on the keyboard.
	On your equipment check (STB, DVD, etc) ; Power and Signal Cable.
	The TV is using its power management system.
	Press the Source button on the panel or remote control.
	Turn the TV off and on.
Although the TV caption shows HD,	The HD(High Definition) caption that appears when switching channels or when pressing the
the visual quality is not satisfactory.	Information button on the remote control means the selected channel is a digital channel. If the
	broadcasting station converts an analog signal into digital and transmits the signal, the visual
	quality may not be perfect.
A distorted picture appears in the	If Just Scan is selected in some external devices, a distorted picture may appear in the
corner of the screen.	corner of the screen. This symptom is caused by external devices, not the TV.
The “Resets all settings to the default	This appears when you press and hold the EXIT button for a while. The product settings are
values” message appears.	reset to the factory defaults.

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