Question about LG DU-42PX12XC 42 in. Plasma HDTV
Look for Bad Capacitors on the power supply board they will be vented or puffed up on top. 1000uf 16v 2200uf 10v 3300uf 10v
Posted on Dec 21, 2010
Hi, well this problem doesn't have anything really to do with the Power switch, as this set, uses soft switches, and doesn't actually switch on/off the power. In my experience, this is a pretty classic switchmode power supply problem. You see the PSU's protection circuitry, has sensed a severe potential problem, and is shutting it down to avoid a fire, explosion, or both.
This set had developed a problem, that is so severe that the set must be shut down, This set should be removed from the Power, and in my professional recommendation, you should get a "Quote" for repair, from, an, Approved Service Center, this point is very important for a good result, Always contact, their local, "Head Office" Now, when you get the information you want, then you can decide as to repair of replacement. The reason we want an approved agent, is that way, all the engineers are trained on their own brand sets, they have seen almost all faults, and will get the job done quicker, and for less cost, and usually have parts on hand, also sometimes, there has been a service bulletin in issued and the repair may be subsided or even free. There are many, many, many reasons that display this symptom, one must work through the troubleshooting steps to isolate and identify, the Cause and repair that and any damage done
Above is your user manual below is your Service and repair manual.
Posted on Dec 21, 2010
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Posted on Jan 02, 2017
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