Question about Olevia LT37HVS 37 in. LCD HDTV
To my understanding, almost all power supply (SMPS) for use of such devices would be self-regulated. There is no way for the voltage to go up, perhaps down (a little) but never up. Based on this, it would be safe to assume that it is indeed the power supply. If the supply voltage becomes unregulated (and shoots up), the normal tendency of the electronics it supplies to would be to clamp down and auto protect/shutdown. Some are more sensitive than others and in all probability, the inverters are just doing that.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
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Posted on Oct 02, 2008
The problem is within the power supply. It sounds like a diode problem on the power supply board. Try double check any other burned components like bulged capacitor and burnt resistors. Replacing them could fix it.
Posted on Sep 23, 2008
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Posted on Jan 02, 2017
SOURCE: Flickerin Screen
Just solved this problem for a customer.
Problem found to be a cold solder joint output transistors to inverters.
Remove then resolder cold solder joints. then your good to go. JR,
Posted on Sep 19, 2008
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