Question about Televison & Video
I think you are talking about T-Con board (lcd controller board) mounted at top middle of lcd panel.
It is considered part of lcd panel and manuals has no details about test for signal, only way to swap it with same board.
Make sure flexible wires from lcd panel are intact or plugged properly in connectors and LVDS cable from video board is hooked in T-Con board securely.
Posted on Sep 25, 2009
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Posted on Jan 02, 2017
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