Question about Panasonic PT-45LC12 45" Rear Projection HDTV-Ready Television

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Panasonic PT-45lc problem

When I power on the set, the I/O led blinks green for a minute or two, then blinks red for about 30 seconds, then goes solid red. Neither Temp. or LAMP LEDs illuminate. No picture appears on the TV. Fans come on as normal during this scenario, and clicking noise heard due to ballast trying to start lamp (also normal). I checked the bulb, looks fine. I read online that one fellow with the same problem simply replaced the thermal fuse to the ballast (99 cents!). Have you heard of this solution? Or do I have a bad ballast? I've read where people who replaced the ballast ($500!) started having lamps blow out very quickly afterwards. Have also heard Panasonic acknowledges ballast power fluctuations are causing extremely short lamp life instead of the 5000+ hrs as advertised! Any advice would be appreciated! Thanks!

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  • Anonymous Apr 09, 2008

    Identical issue. Flashes green for a few minutes and no picture seen at all.

  • jdf250 Apr 09, 2008

    Identical problem.

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It's a long shot, but it's what I am waiting on. Go to the Panasonic website and search for pt-45lc12. Find the order parts and supplies and look for thermal fuse (the ID should be similar to LSS###... etc.) Order 1 (or more, as this is a problem part) and then undo the entire set. on the backside of the teevee, you should see the fan, a vent, and under it a shiny metal box. unscrew it from the frame and disconnect all the wires to it (remember where they go back) and you'll see a small ceramic fuse. This is the problem with mine and I'm waiting for the part to come in so it should work. This is what a certified tech told me, so hopefully that's the extent of the problem. It takes a while, but hopefully it'll be back up and running shortly!!!

Posted on Jun 22, 2009

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I took the rear bottom off of the set,lots of screws to take off.
On top of the bulb housing is a small yellowish thermal fuse.

I took mine completey out,jumped the black wire together,and bingo.set works perfectly.

Posted on Apr 16, 2008

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