Part Number: TXB0104
TXB0104在a1a2a3a4b1b2b3b4 转换口串的电阻误贴成2k阻值调试测试过,经发现后改成47欧姆电阻,后来a1-a4没有输出了, 再换回2k电阻也没有输出,可能是什么原因?谢谢。

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Part Number: TXB0104
TXB0104在a1a2a3a4b1b2b3b4 转换口串的电阻误贴成2k阻值调试测试过,经发现后改成47欧姆电阻,后来a1-a4没有输出了, 再换回2k电阻也没有输出,可能是什么原因?谢谢。
