Question about Panasonic PT-43LC14 43" Rear Projection HDTV

2 Answers

TV won't turn on - just replaced lamp

After a message came on that we needed to replace the lamp we did this and we reset the timer on the tv and everything appeared to be working fine. After working normal for a few hours we turned the TV off and now it won't turn back on. When you press the power button the light flashes green for a minute and then returns to red. Any ideas? 
This is for model # PT-43LC14
Thanks!

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  • frozenfire70 Jan 11, 2009

    Same problem here. Sony Wega KDS-50A2000. Replaced lamp....screen lights for a brief second and goes off...sound stays on for a few minutes while no pic and then shuts off totally with red lamp light blinking. Tried to reset, picture won't stay on long enough to go through the menu and settings. Beginning to think it's deliberate on the part of Sony so you will call for service! Any ideas??

  • srevans04 Jan 20, 2009

    We just got a whole new replacement bulb and it seems to be working fine now. 


    Thanks

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We have a PT-50LC14. We replaced the lamp 6 months ago with a TY-LA1000 bulb we bought from a company online (not directly from Panasonic) and it worked for 6 months. Then the TV started turning off on it's own...sometimes it would not come back on for an hour or so. We called the lamp company and we luckily had 1 day left on our 6 month warranty!! They sent us a replacement bulb and the TV would never power on. It would try to power up, but the bulb would never ignite. The power light would flash and then the lamp light would flash every 5 seconds. I had a friend that has the same type of TV and she ordered her bulb directly from Panasonic. I borrowed her lamp and it powered right up. We then called the online company and they sent us yet another replacement bulb, and I tried it today and it works. It seems like these TVs are very particular about the type of bulb used. Next time, we will be ordering ours directly from Panasonic and just paying the extra $100. This review was the MOST helpful one, and I am sooooooooooooooooo happy it was posted. We have been without our big screen for 2 very long months! I had called a local tv repair shop, called Panasonic directly, and read through countless internet forums, and I thought we were going to have to replace the ballast or get a ballast repair kit and start messing with the circuit board. Thank you! Thank you! Thank you!

Posted on Sep 21, 2009

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I had this same problem. This (panasonic) set is sensitive to the type of bulb used. Don't use a remanufactured one, get a philips/osram or an OEM. If that is what you have, move on to the ballast. Replacing the ballast isn't easy, if you are electronically inclined, you can remove the back panel and the page size aluminum brace, it has two large square cut outs. The shiny silver box under that brace ( maybe 10" x 4") is the ballast. That is typically the next thing that goes out. The bad news is the cheapest I have ever been able to find a replacement was around $350. But again, if you have soldering skills, order a ballast repair kit from ebay ($30) and go to work. If you decide to do that, let me know and I'll email you photos and walk you through it. Once the ballast has been repaired, if it still has the problem, The power supply is bad. At that point take the bulb back out and sell it on ebay or send it back and use a LFH (large F****** hammer) and take out your aggression. Its not worth fixing. The powersupply board is more than the TV is worth. Most of the time this problem is fixed with the ballast. But its a CHORE to get to it and remove it to work on it. I'd be happy to help and I can send vids and pictures, depending on what you'd like to do.
Good Luck.

Posted on Jan 20, 2009

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Your lamp will probably last a lot longer than the TV thinks it should. This procedure will reset the lamp timer so you don't have to look at that annoying message every time you turn your tv on. Remember that the "lamp" indicator light on the lower left of the set will stay on until the lamp is actually replaced. I had to buy a replacement lamp to get this information, could not find it anywhere for these model numbers.
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Your lamp will probably last a lot longer than the TV thinks it should. This procedure will reset the lamp timer so you don't have to look at that annoying message every time you turn your tv on. Remember that the "lamp" indicator light on the lower left of the set will stay on until the lamp is actually replaced. I had to buy a replacement lamp to get this information, could not find it anywhere for these model numbers.
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