Question about Televison & Video
I had this same problem with an LCD monitor several months ago. It turned out to be a blown capacitor on the internal power supply board. If you are handy with tools and have a soldering iron it is a pretty simple and inexpensive fix. Otherwise you will likely have to pay someone to do it. I highly recommend a professional if you are uncomfortable with soldering. To replace the capacitor yourself:
1. Open the Television. This step can be a challenge as manufacturers often hide screw under stickers and labels. This allows them to tell if the unit has been tampered with. By doing this job yourself you will void your warranty.
2. Locate the power board, it will be right where your power cable connects. Inspect the capacitors on it to determine if any are blown. The top of a blown capacitor bulges outward slightly, whereas an good capacitor will be flat or slightly indented.
3. Not what type of capacitor is damaged and head over to radio shack. A capacitor is pretty cheap, no more then $5.
4. When you remove the olde capacitor, make sure to note which wire is positive and which is negatice, so when you put in the new one it is correct.
5. After soldering in the new one, the TV should work just fine.
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Posted on Jan 02, 2017
SOURCE: 42" philips plasma
when a television turns off by itself and flashes as you say, it indicates that there is a problem inside the tv. If you keep trying to turn it on you may do more damage. It could be something as simple as a faulty fuse inside. If you have no expierience with electrics I suggest you get it checked out by a professional. I had a similar problem with another tele model and it was the fuse in the back of the tele that needed changing. I did try to this on my own but unfortunatley didn't have the right fuse so i took it to a repair shop and he done it really quickly.
Posted on Oct 23, 2008
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.
Posted on Sep 09, 2009
You may have shorted out backlight inverter board problem, take it apart and look for burnt parts on the inverter board. You should also your power supply module to make sure it does put out 12vdc.
Posted on Jan 07, 2010
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