Question about Samsung HCL4715W 47" Rear Projection Television
We have a 2003 Samsung HCL4715W. A month ago we replaced the convergence board on it to fix problems with red wavy lines, and the TV has worked brilliantly since then. When we replaced it, we noticed what appeared to be a puddle of water inside and wondered if some rain (we had moved it from one house to another) had gotten inside or if one of the kids had spilled something that splashed through.
This morning the TV started flashing a bright blue screen and clicking on and off. When we removed the back, the mysterious puddle was there again, this time appearing to leak from the blue CRT onto the board below.
Also, when we shine a light into the red tube, red is reflected back. When we shine a light into the green tube, green is reflected back. When we shine a light into the blue tube, white is reflected back.
How do we fix the leak? I think this is coolant fluid if my research is right, but we have no idea how to fix the leak or what the reflecting white means (if anything). Help? Please?
Yes the puddle is related to the Blue CRT coolant leaking. You are most likely going to need a new Blue CRT drive circuit board and quite possibly a new Blue CRT if the CRT got too hot from not haveing a sufficent supply of coolant. You can get replacement CRT drives and CRts at the following link.
Posted on Jan 15, 2009
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Posted on Jan 02, 2017
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