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网上似乎已经搜不到这颗料号了，建议可以提供它的进一步的使用范围，如电源芯片，运放等等，这样可能帮助缩小范围。
从图看；是改后私打的图标和器件号。如果确实想知道是啥IC，建议询问原厂或绘出原理图分析。
