Sounds like user error tbh.
Its from when they switched to lead free solder. Its a known issue.
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Did they really wait that long? I thought most commercial products went lead-free in like the '80s or '90s. I have an old Sony PVM with known issues due to low quality lead-free solder, fixed by reflowing/adding fresh solder. From what I can gather it was released in 1994. In the same vein I'd have expected lead-free to be a bit better by 2012.