Hi all. I've got a LG 60PK750, which recently stopped displaying images. The television still turns on (has sound and screen lightens) but no picture is displayed.

I pulled off the back and checked voltages, and all seem in line with what's on the label.

Next I figured I'd test the logic board, so I disconnected cable P31 and joined the r51 and r52 holes with a bit of wire, before turning on the television. The TV turned on and displayed test patterns, which I kept running for a while to ensure it could be sustained.

Since it was able to display a series...

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Hello, registering in an effort to fix a plasma tv where I've reached the limit of my personal diagnosis ability.