Question about RCA Scenium HD65W20 65" Rear Projection Television
I am attempting to fix my fathers RCA Projection TV and ordered a kine-green projection gun part #256714. I need to know how to put the coolant into the gun and how much to put in. Also should I check the red and blue guns for the correct amount of coolant??? How would this be done? Thank you for your help...
This is a very difficult repair to try and make. You not only have to replace the tube, but when the tube is replaced, you will have to perform convergence adjustments, which are very difficult. The green tube is the worst to try and replace because the red and blue tubes are converged onto the green which means now you will have no reference point to start from. It's not just a matter of dropping the new tube in and turning the tv on, also if you but the tube as an RCA original, it will come already filled with coolant.
Posted on Jul 28, 2007
I have almost the same problem, but it was with the blue CRT tube. The coolant leaked onto the underlying PCB and caused short-circuits and sparking or arking. I purchased an exact replacement PCB for the CRT, but I suspected most of its coolant had gone, so I need to re-fill the coolant for the blue CRT to stay cool.
Posted on Jun 14, 2007
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