求翻译：既然原装仪表可以起动，而新仪表不能起动，这就表明旧仪表的防盗系统控制单元并未损坏。拆开原仪表找到了一块型号为93C86的8脚芯片。此时，我突发奇想，能否像解音响防盗那样更换芯片呢？于是将新旧两块仪表中的芯片切割之后互换。装复后，还是不能起动。再次拆开，却发现由于一时疏忽，将有较明显记号的上下脚焊反了。此时，我想这下或许前功尽弃，芯片必烧无疑了，但还是抱着死马当活马医的想法，重新将芯片焊下，正确焊好并装复后，出乎意料地竟然能起动了。因用的是原仪表内的芯片，密码没变，所以公里数还是1万多km。使用1年多，此故障从未再次出现。是什么意思？

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Since the original meters can be started, and the new instrument will not start, this indicates that the old instrument of the alarm system control unit and is not damaged. Unpack the original instrumentation to find a model of 86 to 93 pin 8 C chip. At this point, I have burst, it can sound like th

Now that the original instrument can start, and the new instrument cannot start, this would indicate that the old