Question about Samsung PCH521R 52" Rear Projection Television
Just found this site and thought it looked promising.
I have just purchased an older Model Samsung SPT-521J Rear Projection TV. The Unit works well but the color does not. LOL!
The unit starts up in Black and White and after about an hour or so the color comes on all at once.
My thoughts are that it's just a cold solder joint and that when the unit heats up, things expand... etc. This is further backed up by the fact that the previous owner has indicated that a well placed "Tap" will sometimes start the color as well.
While I was an Electronic Engineering Technologist in a previous life, I have never worked on TV's and have no idea what board to start with. While I'm waiting for an answer, I'm going to go at the unit with heat and cold and see if I can find the problem.
Any help would be appreciated.
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