소개
This guide will help you diagnose the Samsung Galaxy A70, Samsung Galaxy A50, and the Samsung Galaxy A20. This guide might also work for other Samsung models.
동영상 개요
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Worm the device to soften the adhesive.
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Use Sanction cup, Plastic tools and isopropyl alcohol.
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Remove the silver Phillips screws from the middle frame.
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Remove the plastic cap from the Fingerprint flex cable connector and disconnect the cable.
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Remove the SIM Tray.
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''Use plastic tool to separate the middle frame. Start from the SIM Tray hole.'
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First of all disconnect the battery.
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Disconnect the Main flex cable and connect the charger.
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Use a multimeter to measure the voltages at the the large end pins of the FPC connector of the Charging board (See the second image)
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If the reading is okay (~5V) continue with the next step, if not - change the Charging board.
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Attach the Main flex cable and measure the large end pins of the Main flex FPC connector - pic.3.
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If the reading is okay, continue with the next step, if not - change the Main flex cable.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
다른 한 분이 해당 안내서를 완성하였습니다.
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