{"id":2648,"date":"2023-12-18T13:45:09","date_gmt":"2023-12-18T05:45:09","guid":{"rendered":"https:\/\/www.jingpengpcb.com\/?p=2648"},"modified":"2026-10-02T17:37:37","modified_gmt":"2026-10-02T09:37:37","slug":"why-do-pcbs-need-test-points","status":"publish","type":"post","link":"https:\/\/www.jingpengpcb.com\/en\/blog\/why-do-pcbs-need-test-points\/","title":{"rendered":"Why Do PCBs Need Test Points?"},"content":{"rendered":"

\u8bbe\u7f6e\u6d4b\u8bd5\u70b9\u5728PCB\u7535\u8def\u677f\u4e0a\u662f\u53f8\u7a7a\u89c1\u60ef\u7684\u4e8b\u60c5\uff0c\u4f46\u5bf9\u4e8e\u673a\u68b0\u5de5\u7a0b\u5e08\u800c\u8a00\uff0c\u6d4b\u8bd5\u70b9\u53c8\u662f\u4ec0\u4e48\u5462\uff1f<\/p>\n

\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u6d4b\u8bd5\u70b9\u5728PCB\u7535\u8def\u677f\u5236\u9020\u4e2d\u7684\u5173\u952e\u4f5c\u7528\u4ee5\u53ca\u5176\u91cd\u8981\u6027\u3002<\/p>\n

\"\u4e3a\u4ec0\u4e48PCB\u9700\u8981\u6d4b\u8bd5\u70b9\"<\/p>\n

\u4ec0\u4e48\u662f\u6d4b\u8bd5\u70b9\uff1f<\/h2>\n

\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u660e\u786e\u4ec0\u4e48\u662f\u6d4b\u8bd5\u70b9\u3002\u6d4b\u8bd5\u70b9\uff08Test Point\uff09\u662f\u4e00\u79cd\u5728PCB\u7535\u8def\u677f\u4e0a\u8bbe\u7f6e\u7684\u7279\u6b8a\u70b9\uff0c\u5176\u4e3b\u8981\u76ee\u7684\u662f\u4e3a\u4e86\u6d4b\u8bd5\u7535\u8def\u677f\u4e0a\u7684\u5404\u79cd\u7535\u5b50\u7ec4\u4ef6\u662f\u5426\u7b26\u5408\u89c4\u683c\u4ee5\u53ca\u5b83\u4eec\u7684\u710a\u63a5\u662f\u5426\u6b63\u786e\u3002\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5982\u679c\u60a8\u60f3\u68c0\u67e5\u7535\u8def\u677f\u4e0a\u7684\u7535\u963b\u5668\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\uff0c\u6700\u57fa\u672c\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528\u4e07\u7528\u8868\u6d4b\u91cf\u7535\u963b\u503c\uff0c\u800c\u6d4b\u8bd5\u70b9\u5c31\u662f\u8ba9\u8fd9\u4e2a\u8fc7\u7a0b\u66f4\u52a0\u4fbf\u6377\u548c\u9ad8\u6548\u7684\u5173\u952e\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u9700\u8981\u6d4b\u8bd5\u70b9\uff1f<\/h2>\n

\u5728\u5c0f\u89c4\u6a21\u7684\u7535\u8def\u677f\u5236\u9020\u4e2d\uff0c\u4f7f\u7528\u4e07\u7528\u8868\u9010\u4e2a\u6d4b\u91cf\u7535\u5b50\u7ec4\u4ef6\u53ef\u80fd\u662f\u53ef\u884c\u7684\uff0c\u4f46\u5728\u5927\u6279\u91cf\u751f\u4ea7\u7684\u5de5\u5382\u4e2d\uff0c\u8fd9\u79cd\u65b9\u6cd5\u663e\u7136\u4e0d\u5207\u5b9e\u9645\u3002\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u81ea\u52a8\u5316\u7684\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u8fd9\u5c31\u5f15\u5165\u4e86ICT\uff08In-Circuit-Test\uff09\u81ea\u52a8\u5316\u6d4b\u8bd5\u673a\u53f0\u7684\u6982\u5ff5\u3002ICT\u4f7f\u7528\u591a\u6839\u63a2\u9488\uff0c\u901a\u5e38\u79f0\u4e3a\u201c\u9488\u5e8a\u201d\uff08Bed-Of-Nails\uff09\u6cbb\u5177\uff0c\u540c\u65f6\u63a5\u89e6\u7535\u8def\u677f\u4e0a\u7684\u6240\u6709\u9700\u8981\u6d4b\u8bd5\u7684\u7535\u5b50\u7ec4\u4ef6\u7ebf\u8def\u3002\u7136\u540e\uff0c\u901a\u8fc7\u7a0b\u5e8f\u63a7\u5236\uff0c\u4ee5\u5e8f\u5217\u4e3a\u4e3b\u8981\u6d4b\u8bd5\u65b9\u5f0f\uff0c\u540c\u65f6\u5e76\u884c\u6d4b\u8bd5\u8fd9\u4e9b\u7535\u5b50\u7ec4\u4ef6\u7684\u7279\u6027\u3002\u8fd9\u79cd\u6d4b\u8bd5\u901a\u5e38\u53ea\u9700\u89811\u52302\u5206\u949f\uff0c\u5177\u4f53\u65f6\u95f4\u53d6\u51b3\u4e8e\u7535\u8def\u677f\u4e0a\u7684\u7ec4\u4ef6\u6570\u91cf\u3002<\/p>\n

\u6d4b\u8bd5\u70b9\u7684\u4f5c\u7528<\/h2>\n

\u7136\u800c\uff0c\u76f4\u63a5\u8ba9\u8fd9\u4e9b\u6d4b\u8bd5\u63a2\u9488\u63a5\u89e6\u7535\u5b50\u7ec4\u4ef6\u6216\u5176\u710a\u811a\u53ef\u80fd\u4f1a\u5bfc\u81f4\u635f\u574f\uff0c\u56e0\u6b64\u5de5\u7a0b\u5e08\u4eec\u806a\u660e\u5730\u53d1\u660e\u4e86\u201c\u6d4b\u8bd5\u70b9\u201d\u3002\u6d4b\u8bd5\u70b9\u662f\u5728\u7535\u5b50\u7ec4\u4ef6\u7684\u4e24\u7aef\u989d\u5916\u5f15\u51fa\u7684\u4e00\u5bf9\u5c0f\u5706\u70b9\uff0c\u5176\u4e0a\u6ca1\u6709\u9632\u710a\u8986\u76d6\uff0c\u53ef\u4ee5\u8ba9\u6d4b\u8bd5\u63a2\u9488\u63a5\u89e6\u5230\u8fd9\u4e9b\u5c0f\u70b9\uff0c\u800c\u4e0d\u5fc5\u76f4\u63a5\u63a5\u89e6\u9700\u8981\u6d4b\u8bd5\u7684\u7535\u5b50\u7ec4\u4ef6\u3002\u8fd9\u6837\u7684\u8bbe\u8ba1\u65e2\u4fdd\u62a4\u4e86\u7535\u5b50\u7ec4\u4ef6\u514d\u53d7\u635f\u574f\uff0c\u53c8\u95f4\u63a5\u63d0\u9ad8\u4e86\u6d4b\u8bd5\u7684\u53ef\u9760\u6027\u3002<\/p>\n

\u5728\u65e9\u671f\uff0c\u7535\u8def\u677f\u4e0a\u901a\u5e38\u4f7f\u7528\u4f20\u7edf\u7684\u63d2\u4ef6\uff08DIP\uff09\u96f6\u4ef6\uff0c\u5b83\u4eec\u7684\u710a\u811a\u8db3\u591f\u575a\u56fa\uff0c\u53ef\u4ee5\u627f\u53d7\u6d4b\u8bd5\u63a2\u9488\u7684\u538b\u529b\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u65b9\u6cd5\u7ecf\u5e38\u4f1a\u5bfc\u81f4\u6d4b\u8bd5\u63a2\u9488\u63a5\u89e6\u4e0d\u826f\uff0c\u56e0\u4e3a\u7535\u5b50\u7ec4\u4ef6\u7ecf\u8fc7\u6ce2\u5cf0\u710a\u6216SMT\uff08Surface Mount Technology\uff09\u5403\u9521\u540e\uff0c\u5176\u710a\u9521\u8868\u9762\u901a\u5e38\u4f1a\u6b8b\u7559\u4e00\u5c42\u9521\u818f\u52a9\u710a\u5242\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u6d4b\u8bd5\u63a2\u9488\u7684\u63a5\u89e6\u4e0d\u826f\u3002<\/p>\n

\u73b0\u4ee3\u7535\u8def\u677f\u548c\u6d4b\u8bd5\u70b9<\/h2>\n

\u968f\u7740\u79d1\u6280\u7684\u53d1\u5c55\uff0c\u7535\u8def\u677f\u53d8\u5f97\u8d8a\u6765\u8d8a\u5c0f\uff0c\u800c\u6d4b\u8bd5\u70b9\u5360\u7528\u7535\u8def\u677f\u4e0a\u7684\u7a7a\u95f4\u4e5f\u6210\u4e3a\u8bbe\u8ba1\u548c\u5236\u9020\u4e2d\u7684\u6311\u6218\u3002\u7535\u8def\u677f\u4e0a\u7684\u6d4b\u8bd5\u70b9\u6570\u91cf\u9700\u8981\u5728\u8bbe\u8ba1\u4e0e\u5236\u9020\u4e4b\u95f4\u8fdb\u884c\u6743\u8861\uff0c\u56e0\u4e3a\u7535\u8def\u677f\u7684\u5c3a\u5bf8\u9650\u5236\u4e86\u6d4b\u8bd5\u70b9\u7684\u6570\u91cf\u3002\u6b64\u5916\uff0c\u4e00\u4e9b\u9ad8\u8026\u5408\u7684\u96f6\u4ef6\u65c1\u8fb9\u65e0\u6cd5\u653e\u7f6e\u6d4b\u8bd5\u70b9\uff0c\u56e0\u4e3a\u63a2\u9488\u53ef\u80fd\u4f1a\u4e0e\u8fd9\u4e9b\u9ad8\u96f6\u4ef6\u78b0\u649e\uff0c\u4ece\u800c\u5bfc\u81f4\u635f\u574f\u3002<\/p>\n

\u5bf9\u4e8eICT\u6d4b\u8bd5\u7684\u80fd\u529b\uff0c\u901a\u5e38\u9700\u8981\u54a8\u8be2\u6cbb\u5177\u5236\u9020\u5546\uff0c\u5305\u62ec\u6d4b\u8bd5\u70b9\u7684\u6700\u5c0f\u76f4\u5f84\u548c\u76f8\u90bb\u6d4b\u8bd5\u70b9\u7684\u6700\u5c0f\u8ddd\u79bb\u3002\u7136\u800c\uff0c\u7535\u8def\u677f\u5236\u9020\u5382\u5546\u901a\u5e38\u4f1a\u89c4\u5b9a\u6700\u5c0f\u6d4b\u8bd5\u70b9\u548c\u6700\u5c0f\u6d4b\u8bd5\u70b9\u95f4\u8ddd\u4e0d\u5f97\u8d85\u8fc7\u4e00\u5b9a\u6570\u503c\uff0c\u4ee5\u907f\u514d\u6cbb\u5177\u7684\u635f\u574f\u3002<\/p>\n

\u6d4b\u8bd5\u70b9\u7684\u672a\u6765<\/h2>\n

\u5c3d\u7ba1\u51fa\u73b0\u4e86\u4e00\u4e9b\u51cf\u5c11\u6d4b\u8bd5\u70b9\u6570\u91cf\u7684\u65b9\u6cd5\uff0c\u5982Net\u6d4b\u8bd5\u3001Test Jet\u3001Boundary Scan\u548cJTAG\u7b49\uff0c\u4ee5\u53ca\u5176\u4ed6\u66ff\u4ee3ICT\u6d4b\u8bd5\u7684\u65b9\u6cd5\uff0c\u5982AOI\u548cX-Ray\uff0c\u4f46\u76ee\u524d\u6bcf\u79cd\u6d4b\u8bd5\u65b9\u6cd5\u90fd\u8fd8\u65e0\u6cd5\u5b8c\u5168\u53d6\u4ee3ICT\u3002\u56e0\u6b64\uff0c\u6d4b\u8bd5\u70b9\u4ecd\u7136\u662f\u7535\u5b50\u5236\u9020\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u4eec\u786e\u4fdd\u4e86\u7535\u5b50\u7ec4\u4ef6\u7684\u8d28\u91cf\u548c\u6027\u80fd\uff0c\u5c24\u5176\u5728\u5927\u89c4\u6a21\u751f\u4ea7\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\u3002<\/p>\n

\u5728\u672a\u6765\uff0c\u968f\u7740\u7535\u8def\u677f\u5c3a\u5bf8\u7684\u7ee7\u7eed\u7f29\u5c0f\u548c\u6280\u672f\u7684\u4e0d\u65ad\u6f14\u8fdb\uff0c\u6211\u4eec\u53ef\u4ee5\u671f\u5f85\u770b\u5230\u66f4\u591a\u521b\u65b0\u7684\u6d4b\u8bd5\u65b9\u6cd5\u548c\u6280\u672f\u7684\u51fa\u73b0\uff0c\u4ee5\u5e94\u5bf9\u7535\u5b50\u5236\u9020\u9886\u57df\u7684\u6311\u6218\u3002<\/p>\n

\u6d4b\u8bd5\u70b9\u5728PCB\u7535\u8def\u677f\u5236\u9020\u4e2d\u626e\u6f14\u7740\u5173\u952e\u7684\u89d2\u8272\uff0c\u5b83\u4eec\u4f7f\u7535\u5b50\u7ec4\u4ef6\u7684\u6d4b\u8bd5\u66f4\u52a0\u9ad8\u6548\u548c\u53ef\u9760\u3002\u901a\u8fc7\u907f\u514d\u76f4\u63a5\u63a5\u89e6\u7535\u5b50\u7ec4\u4ef6\uff0c\u6d4b\u8bd5\u70b9\u4e0d\u4ec5\u4fdd\u62a4\u4e86\u7ec4\u4ef6\u7684\u5b8c\u6574\u6027\uff0c\u8fd8\u63d0\u9ad8\u4e86\u6d4b\u8bd5\u7684\u51c6\u786e\u6027\u3002\u5c3d\u7ba1\u5b58\u5728\u4e00\u4e9b\u6311\u6218\uff0c\u5982\u6d4b\u8bd5\u70b9\u7684\u5c3a\u5bf8\u548c\u6570\u91cf\u9650\u5236\uff0c\u4f46\u5b83\u4eec\u4ecd\u7136\u662f\u7535\u5b50\u5236\u9020\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u786e\u4fdd\u4e86\u4ea7\u54c1\u8d28\u91cf\u548c\u6027\u80fd\u3002<\/p>\n

\n

Frequently Asked Questions<\/h2>\n

1. \u4ec0\u4e48\u662fICT\u6d4b\u8bd5\uff1f<\/h3>\n

ICT\uff08In-Circuit-Test\uff09\u6d4b\u8bd5\u662f\u4e00\u79cd\u81ea\u52a8\u5316\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u901a\u8fc7\u4f7f\u7528\u63a2\u9488\u63a5\u89e6\u7535\u8def\u677f\u4e0a\u7684\u7535\u5b50\u7ec4\u4ef6\u7ebf\u8def\uff0c\u4ee5\u68c0\u6d4b\u5176\u7279\u6027\u548c\u710a\u63a5\u8d28\u91cf\u3002<\/p>\n

2. \u4e3a\u4ec0\u4e48\u6d4b\u8bd5\u70b9\u9700\u8981\u8bbe\u7f6e\u5728\u7535\u8def\u677f\u4e0a\uff1f<\/h3>\n

\u6d4b\u8bd5\u70b9\u7684\u8bbe\u7f6e\u53ef\u4ee5\u8ba9\u6d4b\u8bd5\u63a2\u9488\u66f4\u5bb9\u6613\u63a5\u89e6\u7535\u5b50\u7ec4\u4ef6\uff0c\u540c\u65f6\u907f\u514d\u635f\u574f\u7ec4\u4ef6\u3002\u5b83\u4eec\u63d0\u9ad8\u4e86\u6d4b\u8bd5\u7684\u51c6\u786e\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n

3. \u7535\u8def\u677f\u4e0a\u7684\u6d4b\u8bd5\u70b9\u6709\u4ec0\u4e48\u5f62\u72b6\uff1f<\/h3>\n

\u901a\u5e38\uff0c\u6d4b\u8bd5\u70b9\u7684\u5f62\u72b6\u662f\u5706\u5f62\uff0c\u56e0\u4e3a\u6d4b\u8bd5\u63a2\u9488\u4e5f\u662f\u5706\u5f62\uff0c\u8fd9\u6709\u52a9\u4e8e\u589e\u52a0\u9488\u5e8a\u7684\u690d\u9488\u5bc6\u5ea6\u3002<\/p>\n

4. \u6709\u6ca1\u6709\u66ff\u4ee3\u6d4b\u8bd5\u70b9\u7684\u6d4b\u8bd5\u65b9\u6cd5\uff1f<\/h3>\n

\u662f\u7684\uff0c\u6709\u4e00\u4e9b\u66ff\u4ee3\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u5982Net\u6d4b\u8bd5\u3001Test Jet\u3001Boundary Scan\u548cJTAG\u7b49\uff0c\u4f46\u5b83\u4eec\u76ee\u524d\u8fd8\u4e0d\u80fd\u5b8c\u5168\u53d6\u4ee3ICT\u6d4b\u8bd5\u3002<\/p>\n

5. \u6d4b\u8bd5\u70b9\u7684\u672a\u6765\u5982\u4f55\u53d1\u5c55\uff1f<\/h3>\n

\u968f\u7740\u7535\u8def\u677f\u5c3a\u5bf8\u7684\u7ee7\u7eed\u7f29\u5c0f\u548c\u6280\u672f\u7684\u53d1\u5c55\uff0c\u6211\u4eec\u53ef\u4ee5\u671f\u5f85\u770b\u5230\u66f4\u591a\u521b\u65b0\u7684\u6d4b\u8bd5\u65b9\u6cd5\u548c\u6280\u672f\u7684\u51fa\u73b0\uff0c\u4ee5\u6ee1\u8db3\u7535\u5b50\u5236\u9020\u9886\u57df\u7684\u9700\u6c42\u3002<\/p>","protected":false},"excerpt":{"rendered":"

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