Re: LG TV sound no picture, boards replaced
The black soot seems to have originated at the center, and possibly the upper right corner (look at the soot deposit on that blue component) of the power board, even though there are not any visible signs of bad components. The capacitors all "look" good. The center of the power board shows soot and also at the center of the back of the power board. This is all black soot which easily wipes away. The main board is clean. The front LED area was absolutely clean, not a smudge.
The black soot seems to have originated at the center, and possibly the upper right corner (look at the soot deposit on that blue component) of the power board, even though there are not any visible signs of bad components. The capacitors all "look" good. The center of the power board shows soot and also at the center of the back of the power board. This is all black soot which easily wipes away. The main board is clean. The front LED area was absolutely clean, not a smudge.
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