LG Electronics 15LC1R, 20LC1R owner manual Audio function does not work

Page 33

Troubleshooting Checklist

		The audio function does not work.

	Picture OK &	• Press the VOL (or Volume) button.
	Picture OK &	• Sound muted? Press MUTE button.
	No sound	• Try another channel. The problem may be with the broadcast.
		• Are the audio cables installed properly?

	No output from	• Adjust Balance in menu option.
	one of the	• Adjust Balance in menu option.
	one of the
	speakers

	Unusual sound	• A change in ambient humidity or temperature may result in an
	from inside the	unusual noise when the product is turned on or off and does not
	product	indicate a fault with the product.

There is a problem in PC mode.

(Only PC mode applied)

	The signal is out	• Adjust resolution, horizontal frequency, or vertical frequency.
	The signal is out	• Check it whether the signal cable is connected or loose.
	of range.	• Check it whether the signal cable is connected or loose.
	of range.	• Check the input source.
		• Check the input source.

	Vertical bar or
	stripe on	• Work the Auto configure or adjust clock, phase, or H/V position. (option)
	background &
	background &
	Horizontal Noise
	& Incorrect
	position

	Screen color is	• Check the signal cable.
	unstable or	• Check the signal cable.
	unstable or	• Reinstall the PC video card.
	single color	• Reinstall the PC video card.
	single color

33

Image 33

Contents LCD TV A. only Safety Instructions On Disposal Safety InstructionsContents Controls Introduction15LC1R Connection OptionsInstalling Batteries Remote Control Key FunctionsCH D / E Channel button VOL F / G Volume button FAV Refer to p.19Accessories Kensington Security System15LC1R 20LC1R Wall Mount Horizontal installation Installation InstructionDesktop Pedestal Installation Unfolding the stand baseConnection of TV Installation InstructionPositioning your display Tilt rangePlease set it up carefully so the product doesn’t fall over AccessoriesConnecting to an Outdoor Antenna Setup Connecting to an Inside Antenna SetupExternal Equipment Connections Antenna ConnectionCable TV Setup VCR SetupExternal Equipment Connections Cable BoxDVD Setup External A/V Source SetupDTV Setup PC Setup 15LC1R* onlyMonitor Display Specifications Menu Language Selection TV Operation OverviewChannel Menu Options Adjust frequency with Manual ProgramMemorizing the Channels with EZ scan Add/Delete Channels with Manual ProgramFavorite Channels Setup EZ Video Picture Menu OptionsACC Auto Color Control Manual Picture ControlAVL Auto Volume Leveler Equalizer AdjustmentsSound Menu Options EZ AudioStereo/SAP Broadcasts Setup Sound Menu OptionsSound Balance Timer Menu Options Auto Clock SetupManual Clock Setup On/Off Timer Setup Timer Menu OptionsSleep Timer Setup For On timer function onlyClosed Captions Special Menu OptionsSelect Mode Special Menu OptionsKey lock Power indicator Caption/TextCaptions Chip rating and categories Lock Menu OptionsLock Menu Setup Setting Lock on/offSet password Screen Menu Options 15LC1R* only Product Specifications MaintenanceCleaning the Screen Cleaning the CabinetTroubleshooting Checklist Operation does not work normallyVideo function does not work Audio function does not work There is a problem in PC mode Only PC mode appliedPage