Westinghouse VK-40F580D User Manual - Page 58
Troubleshooting
UPC - 882777057209
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Troubleshooting No picture or sound. ƒ Check if power cord is well connected with TV and power outlet. ƒ Verify if it is invalid source selected. ƒ Make sure you select the correct source mode which match the connection with external devices correctly. No picture from AV. ƒ Make sure the BRIGHTNESS is properly adjusted. ƒ The florescent lamp may have reached its life end. Contact an authorized service center to extend a service. ƒ Make sure the video source is plugged into the composite video-in port. No sound. ƒ Make sure the volume does not set to minimum. ƒ Make sure the "MUTE" button is not mis-pressed. No picture or sound, just noise. ƒ The signal strength may be weak. ƒ Program provider may be experiencing difficulties. ƒ Check if cable connection is loose or not. 56