When I first turn on the set there is no picture until I tap or slap the top or side. The picture might then start fuzzy with no color and another slap will usually bring it around. Once the set has warmed up there is usually no more problem. I can't just keep slapping it. I'm sure that will cause even more problems eventually. I feel like I'm adding insult to injury!
Initially the transformer is generating the heat to the surrounding before it can get heated up. Its not that the TV need's a slap, its because of improper contact, have a technician check the transformers contact. I had the same problem for my sony tv and it was due to this only.
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It has developed a clicking engine noise on a cold start. After the car has warmed up, the sound goes away. ... Clicking or a sharp tapping from the valve cover on top of the engine would point to a valve train noise. A dull tapping or slapping sound from the side of the engine block would point more toward piston slap.4 Nov 2011
What kind of bike and how old? Vintage Harleys sound like that most of the time. Just kidding all you Harley guys & gals!
Mike, can you tell where the sound is coming from, and most important, what happened immediately before this noise started?
If it was from the engine, I would not run it until I had it figured out.
rocker arms need adjusted gap is too wide . the increased rpms make it noisy. stp would muffle it but it needs the gap set cause if you really rev it hard something up top can let go from the slapping of the rocker arms on top of your valves
this is a dry canaction problum in pcb do not slap tv.
* cont. tv tech. nr. at your home solve this problum in fuw mint. it is not expanciv but. if you slap tv then posibal spear damage in inside tv.set.and he is very expanciv.
While the set is playing tap or slap the side of the cabinet, to see if the picture flickers or goes off. (This is a deep dark secret technique of expert technicians :) ) If it does then you have an intermittent connection in the electronics, which will have to be repaired at a service shop.