This is a "mal-discharge" fault & will need either an adjustment on the Y-Sustain board or a software update to the control board. Contact your LG dealer to arrange someone to sort this out for you.
black, paint like blobs, appear around edges. These disappear after a while, except r/h corner. but...
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black, paint like blobs, appear around edges. These disappear after a while, except r/h corner. but screen is still shadowy. Any ideas, regards, Mark.
3'' to 4'' black strips on either side of screen. Even if the ratios are set it remains. Current...
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3'' to 4'' black strips on either side of screen. Even if the ratios are set it remains. Current aspect ration 16:9
LG 42PC5R in Plasma Television