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Galaxy A71 FPC Repair

Inleiding

If the device does not charge, the problem is with one of the following:

  1. Charging board
  2. Main flex cable
  3. Motherboard

In this manual, we will show you how to fix your device if the problem is with the Motherboard FPC connector.

Wat je nodig hebt

Video overzicht

  1. Galaxy A71 FPC Repair, Connect the charger: stap 1, afbeelding 1 van 2 Galaxy A71 FPC Repair, Connect the charger: stap 1, afbeelding 2 van 2

    • Initial problem: Samsung Galaxy A71 does not charge.

    • Connect the charger and press the phone as shown in the second image.

    Vertaal

  2. Galaxy A71 FPC Repair, Back cover removal: stap 2, afbeelding 1 van 3 Galaxy A71 FPC Repair, Back cover removal: stap 2, afbeelding 2 van 3 Galaxy A71 FPC Repair, Back cover removal: stap 2, afbeelding 3 van 3

    • Warm the device to soften the adhesive.

    • Use plastic tools and isopropyl alcohol to separate the back cover.

    Vertaal

  4. Galaxy A71 FPC Repair, Middle frame removal / SIM Tray removal: stap 3, afbeelding 1 van 3 Galaxy A71 FPC Repair, Middle frame removal / SIM Tray removal: stap 3, afbeelding 2 van 3 Galaxy A71 FPC Repair, Middle frame removal / SIM Tray removal: stap 3, afbeelding 3 van 3

    • Remove all silver Phillips screws.

    • Remove the SIM Tray.

    • Use a suitable plastic tool (opening pick, spudger,...) to remove the middle frame.

    Vertaal

  5. Galaxy A71 FPC Repair: stap 4, afbeelding 1 van 2 Galaxy A71 FPC Repair: stap 4, afbeelding 2 van 2

    • Disconnect the battery.

    • Connect the charger and measure the voltage at the two end pins. It should be ~5V.

    • If not, search for the problem at the charging board or the main flex cable.

    Vertaal

  6. Galaxy A71 FPC Repair: stap 5, afbeelding 1 van 2 Galaxy A71 FPC Repair: stap 5, afbeelding 2 van 2

    • Remove the black tape stuck around the connector.

    • Use a soldering iron, flux and tin wire to resolder the first pin of the FPC connector.

    • If the connector is broken, it's better to replace it.

    Vertaal
Conclusie

To reassemble your device, follow these instructions in reverse order.

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ZFix

Lid sinds: 12/09/13

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1Gids Commentaar

Good morning. My A71 screen is blinking on and off black screen. What can I do to fix it? Also when I'm attempting to type in any chat I have to press down really hard to get the letters on the screen? As my phone heats up it goes black,if I'm in a room that has AC units it remains on for a longer period of time.

KEMBA LEOUNG TAT - Antwoord

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