Troubleshooting
Before calling service personnel, please check the following troubleshooting guide. If any problem still persists, unplug the TV set and call for servicing.
Symptom | Check List |
No picture, no sound | • Check if the main power of the TV is turned on. |
| • Check the connection of the power cord and/or other cables. |
Normal picture, no sound | • Check the volume level. |
| • Check if the button has been pressed or not. |
| • Check the connection of the external equipment. |
Poor color or no color, normal sound | • Check the value level of “Brightness” and “Contrast” in |
| PICTURE menu. |
Multiple images, normal sound | • Check the antenna connection and direction. |
| • Fine tuning the TV. |
| • Check the connection of the external equipment. |
| • The TV station may have broadcast difficulties. Try another |
| channel. |
|
|
Snowy picture, poor sound | • Check the antenna connection and direction. |
| • The TV station may have broadcast difficulties. Try another |
| channel. |
Intermittent interference | • Check if the source of interference is shield well. |
| • Remove those kinds of electrical devices away from the TV. |
Poor stereo sound | • The TV station may have broadcast difficulties. Try to |
| change to mono mode. |
|
|
Remote control does not work | • Check if the batteries are installed correctly. |
| • The batteries may be exhausted. Replace them with new |
| ones. |
| • Remove all obstruction between the remote control and the |
| remote control sensor. |
| • Ensure there is no strong light shining on the remote control |
| sensor. |
“No Signal” appears on the screen | • The TV cannot detect any signals from any input terminals. |
| • Check if the cable is connected correctly and firmly. |
| • Check if the power of any external equipment is turned on. |
| • Check if the input source selection is correct. |
“No Signal” or “Unsupported Signal” | • Check if the display resolution and frequency from your PC |
appears on the screen (RGB mode only) | is a valid mode for the TV. Refer to the recommended RGB |
| input signal chart |
|
|
Image not centered (RGB mode only) | • Adjust the “H Position” and “V Position” in the SETUP |
| menu. |
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