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Re: tv has no reception.
Make sure you have a signal to the tv, dvd player, cable or game console.
Press the input button on the remote or the control panel on the tv.
You may have to press it several times until you get a signal.
Let me know if this helps and please rate this solution. Lone99star
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Go to your TV MENU (you can find the button on the remote or on the TV itself) Go to PICTURE SETTINGS- here you will find color settings and brightness settings Go to COLOR SETTINGS and just adjust the bars until the picture on the screen is the right color. Go back and click on BRIGHTNESS- here you can adjust the bar to make it brighter and easier to see your picture. Save your settings and exit the tv menu.
If the screen went dark blue, this is the way that sets mute the video to protect the tube. However If the screen is very bright blue with possibly blue lines going through the screen, either the blue gun in the CRT has failed which is unusual but can happen or the driver transistor/IC which drives the blue gun has gone short circuit. If you know how to use a meter, you can perform a comparison check by comparing say the red O/P TX with the blue O/P TX. Ian
LCD TV TroubleshootingThe defective LCD TV may have the following common symptoms:
Symptom: No picture on screen but LCD TV still has sound. Solutions: The problem is cause by defective inverter. Replacing ivnerter will solve hte problem. Symptom: Screen flash on and off between 1/2 to a few seconds, but power indicate light stays on and TV still has sound. Solutions: The problem is cause by defective inverter. Symptom: Blue Screen but no picture Solutions: The problem is cause by defective Main Board(AD Board). In some cases, this problem may cause by the defective Screen Controller board. Thsi board is mounting on teh back of LCD TV Scree. Symptom: Power light stays on but no display and sound Solutions: The problem is cause by defective Main Board(AD Board) or Power supply board. Symptom: No Power or Power indicate light does not lits Solutions: The problem could cause either by defective Power supply board or defective Main Board(AD Board). Symptom: Screen is half dim and half bright Solutions: The problem is cause by defective LCD Panel.It needs to be replace.