This is not my first rodeo with this tv. When it was under warranty, we sent it to the only approved tv repair shop in town. Six months later after MUCH fighting with the repair people, Best Buy, and Mitsubishi, we got it back. Now this problem. Maybe tvs aren't built to last like they were in the past. Just didn't think replacing a tv every 5 years would be a must.
DLP's, unlike regular sealed displays, are subject to dirt and contamination. The entire display area is NOT sealed from outside air and must be cleaned from time to time. Also, the lamp DOES burn out every few years or so, but is easily replaced. Most DLP's have fans (yes fans) and filters that must be cleaned from time to time. Also at some point the ENTIRE FRONT SCREEN has to be removed and the mirrors inside cleaned. While this is not hard...it is a pain to deal with.
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Your TV is in Protection Mode right now. A part inside the TV has failed and the TV will not turn ON to prevent other parts from being damaged. The red light blinking is an error code for diagnosing the problem part on the one of the power supply boards. The problem boards that need to be looked at is the Backlight Inverter Board or the Main Power Supply Board. There is a slim chance you can leave the TV unplugged for an hour so the TV can discharge and reset itself. But other than that, I would use the warranty if possible. The TV repair shop maybe expensive, so get some price quotes to see if it worth the trouble.
Normally, this happens when the TV detects a bad circuit board and goes into " Protection Mode ". The blinking red light should be a error trouble code. Most likely the TV has a power supply related problem. The common power board to go out is the Backlight Inverter Board. It's main goal is to supply power to the screen.But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptoms.
You have a few choices: 1. You can try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself. 2. If by chance the TV is still under warranty, go that route. 3. If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you red light blinking codes, circuit diagrams, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15. 4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV. I hope I shed some light on the subject for you.
I would try leaving the TV unplugged for 30 minutes to let the TV reset itself.
If that doesn't work, most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board. I can't say it's 100% the problem because I can't actually look at the tv over the internet. If by chance the TV is still under warranty, go that route. If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.
Take the offer,even they charge u it will still cheaper than the repair shop and quicker too,because they have the parts with them they don't have to trouble shoot like the shop,if the prob.the shop never seen it before.
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. 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.