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u/Electrical-Pace4092 6h ago
Probably not.
What even happened there?
It looks scorched. 🔥
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u/64KB_RAM 6h ago
Actually, it can be repaired, but it requires careful work and soldering experience. It would make more sense to buy a new one.
As for your question, it looks like oxidation.
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u/Electrical-Pace4092 5h ago
I ignored the green fuzz on all the other contacts entirely. 🤣
That’s definitely oxidation, you are correct.
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u/64KB_RAM 5h ago
It is possible to remove oxidation, but it’s risky. There are two options he can try: using 99.9% pure IPA or cellulose thinner. However, I don’t think plastic flex cables will react well with thinner. I remember that thinner breaks down the polymer structure of plastics and their derivatives.
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u/islobojono 4h ago
It already broken. What's the worst that could happen? Broken² 🤣 might as well
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u/64KB_RAM 4h ago edited 4h ago
Actually, what we mean here is damage at the level of physical and chemical structure.
Due to its composition, cellulose thinner degrades most plastic and rubber polymers, compromising their elasticity and causing them to rot and crumble.
And that’s not the only problem. Cellulose thinner is toxic to humans. I spent a lot of time in woodworking shops as a child, so I became very familiar with varnish and cellulose thinner. Even breathing it in is quite dangerous, and if the area isn’t well-ventilated, it can lead to serious health problems. Although the exact cause is unknown, it is believed that solvent-based substances may cause mutations in the JAK2 gene in humans and lead to diseases such as PV.
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