Re: LG 31MU97 no power
I had the same issue not turning on. I downloaded the free service PDF and checked the power suppies (8 i think) one had a short to ground this had taken out IC700 MP2315GJ buck chip. I suspected a bad cap but this power line went to H5PS1G63KFR 1gig DDR2 ram chip and this had the short to ground.
I am waiting for chips then hopefully i will have my monitor back in service.
If your fault is the bios chip IC205 available on ebay and easy to flash. The trick with applying a voltage to the chip was done through a multimeter off the 19v line....
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