Sharp LC 15A2U Troubleshooting, Problem Check item, Make sure the AC adapter is properly inserted

TROUBLESHOOTING

■Before calling for repair service, check the following items for possible remedies to the encountered symptoms.

TV set

	Problem			Check item	Reference
					Pages
			•	Make sure the AC adapter is properly inserted in the	9
	Picture			power outlet.
Sound		There is no	•	Reception other than those of broadcasting stations
		picture or		can be considered.	14
		sound.	•	Make sure the input mode is set to TV.
			•	Make sure the main power switch of the main unit is	14
				on.
		There is no	•	Make sure the BLACK LEVEL is properly adjusted.	20, 21
	Picture		•	Fluorescent lamp may have reached the end of	–
		picture.
				service life.
		There is no			34
			•	Make sure the S-Video terminal is free of connections.
		picture from
		AV-IN 1.
			•	Make sure the volume is not set to minimum.	15
		There is no	•	Make sure the sound is not set to mute.	15
			•	Make sure the headphone is not connected.	35
		sound.
		There is no	•	Make sure the antenna cable is properly connected.	9
			•	Bad reception can be considered.	–
		picture or
		sound, just
		noise.
			•	Make sure the antenna cable is properly connected.	9
		Picture is not	•	Bad reception can be considered.	–
		clear.
			•	Check color adjustment.	20, 21
		Picture is light	•	Check color system setting.
		or improperly
		tinted.
			•	Press the Brightness button.
		The picture is	• Check PICTURE and BLACK LEVEL adjustment.		20, 21
			•	Fluorescent lamp may have reached the end of	38
		too dark.		service life.
			•	Check to see if batteries in the remote control have	8
Remote control does not work.			•	sufficient power.	8
				Make sure the remote sensor window is not under
				strong fluorescent lighting.

36