手 机 维 修 方 法
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 65.25pt; mso-char-indent-count: 2.5;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 26pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; text-shadow: auto;"> 手</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 26pt; text-shadow: auto;"><font face="Times New Roman"> </font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 26pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; text-shadow: auto;">机</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 26pt; text-shadow: auto;"><font face="Times New Roman"> </font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 26pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; text-shadow: auto;">维</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 26pt; text-shadow: auto;"><font face="Times New Roman"> </font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 26pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; text-shadow: auto;">修</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 26pt; text-shadow: auto;"><font face="Times New Roman"> </font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 26pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; text-shadow: auto;">方</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 26pt; text-shadow: auto;"><font face="Times New Roman"> </font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 26pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; text-shadow: auto;">法</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 26pt; text-shadow: auto;"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="FONT-SIZE: 16pt; mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;"><font face="Times New Roman">1．<span style="FONT: 7pt 'Times New Roman';"> </span></font></span></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">电阻法：测量两点间的阻值表现（通断情况）用蜂鸣档测两点间是否轻微短路或直接短路。</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="FONT-SIZE: 16pt; mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;"><font face="Times New Roman">2．<span style="FONT: 7pt 'Times New Roman';"> </span></font></span></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">电压法：</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">A:</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">整机电压 </span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';"> </span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">B:</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">控制信号 </span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';"> </span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">C:</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">电路工作电压</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="FONT-SIZE: 16pt; mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;"><font face="Times New Roman">3．<span style="FONT: 7pt 'Times New Roman';"> </span></font></span></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">电流法：</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">A:</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">开机电流（</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">100—180mA</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">） </span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">B:</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">发射电流（</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">300—400mA</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">）</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';"> </span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">C:</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">待机电流</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">(10—30mA)<p></p></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="FONT-SIZE: 16pt; mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;"><font face="Times New Roman">4．<span style="FONT: 7pt 'Times New Roman';"> </span></font></span></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">频率检测法：检测</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">13M</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">或</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">32.768<p></p></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="FONT-SIZE: 16pt; mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;"><font face="Times New Roman">5．<span style="FONT: 7pt 'Times New Roman';"> </span></font></span></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">短路法：</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">A:</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">直接短路法</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">-</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">两点间直接连接</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';"> </span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">B:</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">交流短路</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">-</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">两点间用电容跨接</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="FONT-SIZE: 16pt; mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;"><font face="Times New Roman">6．<span style="FONT: 7pt 'Times New Roman';"> </span></font></span></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">清洁法：（一般受潮清洗）</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="FONT-SIZE: 16pt; mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;"><font face="Times New Roman">7．<span style="FONT: 7pt 'Times New Roman';"> </span></font></span></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">吹焊法：</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">A:</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">虚焊</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">-</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">锡融化继续吹</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">10</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">秒左右</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';"> </span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">B:</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">老化</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">-</font></span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">性能不稳定</span><span lang="EN-US" style="FONT-SIZE: 16pt;"><p></p></span></p> 继续学习，谢谢楼主！[推荐]
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