LG 86TR3BF-B Owners Manual - Page 18
Issues Related to Screen Color, Issues Related to Sound, Other Issues
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ENGLISH 18 Issues Related to Screen (Color) •• Screen has poor color resolution (16 colors). -- Use PC settings to set the color to 24 bits (True Color) or above. •• Screen color is unstable or mono-colored. -- Check the connection status of the signal cable. Or, re-insert the PC graphics card. •• I see dark or bright spots on the screen. -- Some pixels (red, green, blue, black) are visible on the screen due to the unique characteristics of the display panel. This is not a malfunction of the product. Issues Related to Sound •• The audio doesn't work. -- See if the audio cable is connected properly. -- Adjust the volume of the product or external device. -- See if the sound is set properly. •• Sound is too dull. -- Select the appropriate equalizer sound. •• Sound is too low. -- Adjust the volume of the external device. •• For some models, you will need to purchase external speakers separately since they do not have speakers built-in. Other Issues •• The power suddenly turned off. -- Check if the 'Power Off Time' is set. -- Power interrupted. See if the product power cord is connected properly. -- check the power control settings.