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Just check for cold solder joints or board cracks. Even if the board is cracked and broken, it can still be repaired. Some glue will hold the board back together, then you can bridge across the cracks with bits of wire and solder. A support under the board will prevent it from breaking again.
I've not worked on a WEGA, so I don't know anything about it. But check for cold solder joints. They seem to plauge modern TV's. I think it was somewhere in the 80's where many TV manufaturers entirely forgot how to solder. Sony seemed to have it down until the mid 90's, then promplty forgot.
-Ian
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