Question about Televison & Video
Blue flashing light
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: technika lcd 32
I gave this advice on another post, it applies in this case too so here it is:
This is an indication that there may be a problem in the power supply, possibly bad capacitors, and or defective active components. I would suggest first checking to see if there are any blown fuses, and or loose connections. Past this point I would advise that you either take the TV to a TV repair shop or have a TV technician troubleshoot the TV in home to determine the problem it is having.
I hope this helps,
Posted on Aug 10, 2008
If the TV stays in stand-by, with the LED light on, but does not respond to remote, or to the buttons on the chassis, then that means that the TV has gone in protect (safe) mode because an internal fault had been detected.
Follow the basic troubleshooting on this article: Why my TV does not start up, by disconnecting power cord and connected devices. The article is for rear projection TVs procedure is same on CRT, LCD and Plasma TVs. Disconnect power cord for at least 30 minutes, and test using different connected devices.
If that does not work, then a technician must test the TV and replace the faulty component. In that case contact the support number listed on the owner manual to get the TV repaired by a licensed technician.
Posted on Mar 14, 2010
Hi brendafoud, have you had this fixed as mine is the same and has been for months. It happened just after the warranty had ran out(typical). Bought from ebay and the people I got it from are not very helpfull. Have you got yours fixed yet?
Posted on May 05, 2010
Had the same problem, i removed all the plugs of the PCU power suply board then replaced them all again , blue light stoped flashing, if this does not cure problem try constantly swithching on and off on power switch for a good number of times as i have been told that this some times cures the problem as it in fact trying to sort the programes out not sure if this is true but it's worth a try. best of luck.
Posted on Jan 19, 2011
SOURCE: I Have A Technika LCD32-209X
There's a good chance you have failing electrolytic capacitors either in the power section or the inverter section or both.
Any caps in these sections that look bulged at the top, or bulged/leaking at the bottom need to be replaced.
If you repeatedly turn it off and on, eventually it'll probably stay on, but every time you turn it off, the TV will get harder and harder to start up until one day it just won't.
Sometimes you have to do the opposite to start it up and unplug it for some time and then try again.
If you aren't tech savvy, don't worry, read the rest of this solution and watch the videos.
If you are handy with a soldering iron and can identify the power supply and inverter / FM section for the backlights, an inexpensive handful of capacitors will likely fix you right up.
Match the capacitance on the capacitors. Go over voltage if you can, and still have them fit.
IE - it's not a bad idea to replace a 10V cap with a 16V or 25V or even a 50V, but don't replace a 680uF cap with a 500uF or a 1000uF (unless you are positive it's only doing ripple filtering, and even then, you should go OVER, not under the uF rating).
Most of the caps that go are 10V 1000uF or 3300uF.
I found some great videos of the procedure (for many Samsungs with the same issue) on youtube.
As you can see, this issue spans plasma TVs, as well as large and small LCD TVs and monitors.
The parts are cheap, and skill required is minimal.
Posted on Jun 26, 2011
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