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Change thermal fuse

Sony kdfe55a20 projection tv

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  • johan2000 Sep 21, 2008

    Thanks FixYa The best help was identifying the old thermal fuse. The new fuse is different. Also the purpose of the fuse is to measure heat, so the new one should go near the old one in the lamp cage not on the outside. I have a sony KDFE55A20 grand wega and had it to close to the wall preventing the lamp fan from cooling properly. Lesson learned. To change the fuse on this model, remove the back cover, then a metal bracket with three ground wires attached. Look a little to the right for a fan in a plastic cover, remove one screw down low and pull out fan and housing. Look in were fan was to see old thermal fuse attached to bottom of fan-lamp housing. Its metal with two screws holding it . Looks like a button. Just unplug it above then install new one in same place. I wraped the new one (black wires with a little chip attached) to the old one, replace every thing and thats it. Johan2000


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