Haier L42R3 User Manual - Page 21

No picture, no sound Verify if the television is properly plugged. Verify if the television is properly supplied power. Verify if electricity is available. Blank screen Verify if correct signals are input. Press INPUT button to change signal input to TV input. Restart the television of power supply is interrupted. No sound Press Mute button and verify if Mute mode is set. Switch to other channel and verify if the same problem happens. Press VOL+ button to see if the problem can be solved. Poor sound Verify if sound system is correct. No picture in some channel Verify if correct channel is selected. Adjust the antenna. Make adjustments by Fine Tune and Manual Scan. No color for some channel program (black and white) Verify if the same problem exists in other channels. Check out of picture and sound systems. Refer to relative instructions in the Manual for color adjust. Spots with some or all pictures Verify if the antenna is correctly connected. Verify if the antenna is in good condition. Make fine adjustment of channel. Horizontal/ vertical bars or picture shaking Check for local interference such as an electrical appliance or power tool. Television out of control Disconnect the television from power supply and, 10 seconds later, connect the television to the power supply. If the problem still exists, contact authorized after-sales service for technical assistance. Note R Do not leave the television with static picture in an extended period as the image may become Troubleshooting permanently burned. Note R Production of the LCD screen requires high and precision technologies. However, there might be some dark or bright (red, blue or green) spots, or some anomalistic stripes or spots. This is not defect. If the TV set is used in an area 2,400 meters above the sea level where the air pressure is below 750hpa, the picture on the LCD screen may be affected and a muffled sound might be produced. These phenomena might happen in the area 1,500 meters above the sea level. This is resulted from difference between air pressures inside and outside the display. This is not a defect covered by the limited warranty. TV LCD-TFT Owner's Manual EN-20