Sharp LC 13SH4U, LC-15SH4U, LC-20SH4U Troubleshooting, LCD TV set

Troubleshooting

■Before calling for repair services, make the following checks for possible remedies to the encountered symptoms.

LCD TV set

	Problem		Check item
			• Make sure the AC cord is properly inserted in the power outlet.
Sound	Picture		• Reception other than those of broadcasting stations can be considered.
		There is no	• Make sure the input mode is set to TV.
		picture or	• Make sure the POWER switch of the main unit is on.
		sound.
	Picture	There is no	• Make sure the BRIGHTNESS is properly adjusted.
		picture.	• Fluorescent lamp may have reached the end of service life.
		There is no	• Make sure the S-VIDEO terminal has nothing connected.
		picture from	• Make sure the AUDIO ONLY is not set to ON.
		INPUT2
			• Make sure the volume is not set to minimum.
		There is no	• Make sure the sound is not set to mute.
			• Make sure that headphones are not connected.
		sound.
		There is no	• Make sure the antenna cable is properly connected.
		picture or	• Bad reception could be the problem.
		sound, just
		noise.
			• Make sure the antenna cable is properly connected.
		Picture is	• Bad reception could be the problem.
		not clear.
		Picture is	• Check color adjustment.
		light or
		improperly
		tinted.
			• Press the BACKLIGHT button, or set the BACKLIGHT or BRIGHTNESS
		The picture	settings.
			• Check CONTRAST and BRIGHTNESS adjustment.
		is too dark.
			• Fluorescent lamp may have reached the end of service life.
Remote control does not work.			• Check the batteries of the remote control.
			• Make sure the remote sensor window is not under strong lighting.
			• External influences such as lightning, static electricity, etc., may cause
Unit cannot be operated.			improper operation. In this case, operate the unit after first turning the
			power off the LCD TV set, or unplugging the AC cord and re-plugging it
			in after 1 or 2 minutes.