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オリジナル投稿者: Edmund Lindgren ,

テキスト:

Might be a solder connection that has gone bad. As metal expands and contracts in heat and cold, the difference in temperature could cause a solder joint to get a good connection when cold, and loose the connection when hot. Inspect the board with a magnifying glass for any obvious faults. Using a hot air gun you could try to reflow all the solder joins on the PCB. Hope this helps!

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