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      <title>电子纸刷不出图像如何排查故障原因</title>
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      <description><![CDATA[红黑白三色墨水屏还有黑白屏都无显示，
供电端并联了发光二极管测量是3.25V
还并联了100uF的电解电容，引脚两端测量电压也是3.25V
Despi-C02转接板如何测量电压是否正常，各测量点的正常电压应为多少？ ...]]></description>
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