Question about Standard (CRT) Televisions
Hello, My tv has had this problem for several months now. When you turn the tv on you (usually) get sound right away and always no picture. The red light blinks while there is no picture and the picture comes on anywhere from 20 minutes to hours later(you can't predict when it will work). If you slap the side of the tv, the picture at least comes on momentarily ... and usually you can get the picture to stay on after doing this enough times. Any ideas on what is wrong and how to fix it? TIA
Your set has cracked solder joints, most likely on one of the small regulator transistors on the main board, with its own little heat sink. I have seen that many, many times, and it is a very simple thing to correct. Loose solder joints on the vertical output IC can cause no picture too, but it is usually those regulators that cause the problem. The set needs to have those regulators, the vertical output IC and all other major components resoldered and the set will play fine. If you do not have experience resoldering small parts on PC boards, allow a qualified tech to handle it for you.
Posted on Sep 05, 2007
Try to check the heater supply,resoldered small parts and other major components. or check PCB crack board.
Posted on Sep 06, 2007
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