Haier 21NT1 User Manual - Page 29

Troubleshooting *To assist in location possible faults use help guide below. BREAKDOWN PHENOMENON PICTURE SOUND CHECKING Picture with snow Double or Triple Image Disturb Noise Normal Noise The aerial direction and connection This is called ghosting which can be minimized with an outside aerial, and good quality cable and terminations. Altering the aerial direction can also minimize this effect. Electrical interference which can be caused by cars, motorbikes etc, Fluorescent lamps and dirty insulators on overhead power cables. Normal No Picture No sound No sound Volume Sound mute Ensure that the power supply is connected to the TV set and turned on. Also ensure that the TV set is not in "PICTURE MUTE" or that the brightness and contrast are not turned down No color Normal volume Adjust color control Scramble Color Spot Normal or Weak Volume Normal volume Adjust channel again Colour Purity fault which can be caused by moving the TV set, placing magnets near the TV screen or turning on/off house hold appliances such as vacuumcleaners near the TV set. Turn the TV off with the mains power switch for 15 minutes. When the power is turn on again the TV set will automatically degauss the picture. In server cases leave the TV set turned off over night. Note: 1.If the fault can not be repaired using the above guide consult with your local authorized service center. 2.The TV set must only be repaired by a qualified registered service person. Never attempt to remove the back cover as the TV set has dangerous voltages in side that may cause a fatality or fire. 3. The cabinet may produce the occasional "snapping sound". This is normal and caused by the materials in the cabinet expanding with room temperature changes.