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For the sake of time and cost, it is strongly recommended that you check out the problem by yourself according to
the instructions listed hereunder before contacting the after-sales service for technical assistance.
Note: 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.
Note: Do not leave the television with static picture in an extended period as the image may become permanently burned.
Horizontal/vertical bars
or picture shaking
Check for local interference such as an electrical
appliance or power tool.
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. Refer to Page 23 for
adjustments.
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.
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.
Troubleshooting
Troubleshooting
42 TV LCD-TFT