Question about Philips Magnavox 20MS3442 20" TV
When the tv is first turned on it displays a wavy 3 to 4 inch horizontal line, but after its on for a little while it will show the full screen but still goes in and out at times, has anyone else had these type of problems?
If the set works fine intermittently it may be a loose connection or a bad solder joint. More likely the later. Heat will sometimes make a cold or broken solder joint work. If this changes when you lightly tap on the side of the TV you have a bad connection of sorts inside. These repairs can be expensive unless you find a good repair person.
The syncronizing signals in TV's (keeping the picture locked in) are around the high voltage transformer which is usually the heaviest component attached to the circuit boards. It's stressful over time and I've seen the solder connections crack and become intermittent.
Posted on Nov 23, 2008
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Posted on Jan 02, 2017
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