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Re: wont turn on worked fine for four years
Carefully remove the back and follow the AC power cord to where it attaches to the main board. At that spot you will see the small glass fuse. Replace it with a new GMA 6.3 and your set should work fine.
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take the back off the tv and inspect the glass fuse off the ac power cord, it will probably be black and open, this is a common problem, it blows because the degaussing circuit works too slow, the original fuse is an 6.3 amp fuse, you need to replace it with a 6.3 amp slow blow or a 7 or 8 amp fuse to keep it from blowing, if you put an original 6.3 amp fast blow fuse in it, it will work for a while, but will blow again someday.
Once you take the back off there is a glass gma fuse withing a few inches of where the power cord plugs into the board at. This should be a 6.3 or 6.5 gma fuse. Very common to blow in your model because the degausing coil is a little to big for it. There are other reasons for it to blow but 99% of the time you change change it and the set will work again. Let me know if you need more help or info!
If you carefully remove the back, follow the AC power cord to where at attaches to the main board. There will be a small glass fuse at that spot, and it is a GMA 6.3 Amp fuse. Simply pop the old fuse out and replace it with a new one and the set should come right back on.
Yes, it is most likely the fuse. I have seen many of the fuses in those Panasonics "pop" for no apparent reason. If you feel comfortable, you can replace that fuse yourself. Carefully remove the back, follow the AC power cord and where the AC cord attaches to the PC board will be a small glass fuse. It is most likely a GMA 6.3A fuse. Replace that fuse and the set should work. If the original fuse is good or if the new fuse blows out too, have the set serviced by a qualified tech.
Unplug the set, remove the back and follow the power cord onto the main board, where you will see a small glass fuse. Replace that fuse with a new GMA 6.3 amp fuse. I have seen many of those fuses in Panasonics "pop" for no apparent reason. If that does not fix it then replace the back and have the set serviced by an experienced tech.