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修复你的物品

维修的权力

商店

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正翻译步骤 1

步骤 1
Hold the power button to turn on the phone. There is no response from the phone.
Fault Finding
  • Hold the power button to turn on the phone. There is no response from the phone.

  • Take apart the phone and take out the motherboard.

  • Measure the boot current first. The current pointer moves from 0 to 100mA, then 0, back and forth.

  • Judging by this, the upper layer or the third space PCB has malfunctioned.

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