Question about Panasonic Televison & Video
These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience. If blinks continue without any pause, the main board is faulty.
Posted on Nov 20, 2014
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Posted on Jan 02, 2017
SOURCE: TC-P42C2 Power Indicator
Power LED light indicator are flashing it is the effect of the power supply board are dying and not giving the tv the wright amount of voltages anymore.That the board,where the power a/c cord plug into it.U have all the tools,u understanding basic electronic also can u do basic soldering?Yes,check all over the power supply board for dying parts call capacitors.These dying capacitors are alway bulges up or puffing up on to it tops.By replacing all these dying capacitors are bulges or puffing up on it tops,will solved this flashing LED power light indication,power supply board will work again.Or try website like Ebay.com to buy a whole refurbish power supply board for the replacement.
Posted on Jan 07, 2011
1 blink is an "unknown SOS" error code sensed by the processor upon self check. Most of this fault came from bad power supply and the caused was the leaky/dried filter electrolytic capacitor in that board. It will dropped the supply voltage and will disable the unit. Plasma TV is the most hardworking TV's nowadays and work in high temperature most especially the power supply board which causes the capacitor to fail after about 2-3 years.
Leaky capacitor has a physical indication of fault like bulged/dome at the top and can be easily be identified by visual inspections. See sample picture of electrolytic capacitor with bulged/dome at the top.
Dried capacitor has no physical indication of fault, you must have a capacitor checker to determine its condition or you may replaced all of them in the output stage. It will not cost you much since this parts is one of the cheapest parts in your unit (price depends on the capacitance and working voltage ratings that is printed on its body).
Click this "Sample Video" "Sample Video" for more info.
You may open the back cover of the unit and check this parts in the power supply board where the power cord is directly connected. Look also for bad solder joints(cracked/dried/cold solder).
If you don't have necessary tools and test instrument and can't troubleshoot the unit yourself, I would advice you to look for a qualified tv technician or sent it in.
Also, check if your unit is still under warranty/extended warranty, avail it because the manufacturer will fix it for free. Don't attempt to open the back cover because it will void the warranty.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.
Posted on May 27, 2011
When a red LED is flashing, it most of the time indicates the TV has a defect. Most of the time it is a power related issue. Don't think it is the power supply, because there are lots of other parts involved with correct power on lots and lots of different places.
Just ask a technician if it is worth repairing your TV.
Posted on Nov 17, 2014
Testimonial: "technician didn't even want to look at it. it is not the power supply board. it has been tested."
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