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Paso 3
Let’s move on to the motherboard. Clean the motherboard with PCB Cleaner. Then run diode mode measurement of the earpiece speaker and sensor connector and the dot projector connector. The measured value is normal.
  • Let’s move on to the motherboard. Clean the motherboard with PCB Cleaner. Then run diode mode measurement of the earpiece speaker and sensor connector and the dot projector connector. The measured value is normal.

  • Continue measuring the infrared camera connector. Judging by the measured value, Pin 8 relevant circuit has open-circuited. Normal value should be 260 or so.

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