Samsung SM-A556B Repair Manual
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Samsung SM-A556B Repair Manual

Samsung SM-A556B Repair Manual

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REPAIR GUIDE
SM-A556B
English. Rev.1.0
www.samsung.com

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Summary of Contents for Samsung SM-A556B

  • Page 1 REPAIR GUIDE SM-A556B English. Rev.1.0 www.samsung.com...

  • Page 2: Table Of Contents

    Updating Software through Smart Switch Recovering from a Software Update Failure Recovering on Another Computer 10 Performing a Factory Data Reset Quality Test Quality Test Using the Samsung Members App Device Diagnostics Test Items Calibrations 26 Calibrations 26 Used Parts and Calibration Functions in Supported Models...
  • Page 3 Table of Contents 44 Under-display Camera Calibration (Fold Models Only) 46 Digital Hall Sensor Calibration (Fold and Flip Models Only) Exploded View and Parts List 49 Exploded View 50 Parts List Disassembly and Assembly Tools for Disassembly and Assembly 54 Fasteners (Adhesives and Materials) for Assembly 55 Disassembly and Reassembly for replacement SIM Card Tray Disassembly...
  • Page 4 Table of Contents 84 Rear Camera 84 Disassembly 85 Reassembly 86 Top Speaker 86 Disassembly 87 Reassembly 88 Button 88 Disassembly 89 Reassembly Screen Module Disassembly Reassembly...

  • Page 5: Usage Notices

    Precautions for Repair Samsung is not liable for any damage or defect determined to be caused by repair by a non-authorized carrier, self repair or non-professional repair of the device. Samsung...

  • Page 6: Esd (Electrostatic Discharge) Precautions

    Usage Notices Make sure to wear the appropriate safety equipment before carrying out repairs. • Samsung is not responsible for injuries that may occur because of not wearing the proper safety equipment. Refer to Tools for Disassembly and Assembly for a list of tools that you will need for assembling and disassembling the device.

  • Page 7: Instructional Icons

    Usage Notices Instructional Icons Warning: situations that could cause injury to yourself or others Caution: situations that could cause damage to your device or other equipment Notice: notes, usage tips, or additional information...

  • Page 8: Software Update

    You must download the desktop version of the Smart Switch app from www.samsung.com/smartswitch. This feature may not be supported on some devices or computers. • Limitations apply. Visit www.samsung.com/smartswitch for details. Samsung • takes copyright seriously. On the computer, visit www.samsung.com/smartswitch to download Smart Switch.

  • Page 9: Recovering From A Software Update Failure

    Before performing the factory data reset, remember to make backup copies of all important data stored in the device. Samsung is not responsible for the loss of data stored in the device. Disconnect your device from the computer and launch Smart Switch again on the computer.

  • Page 10: Performing A Factory Data Reset

    Before performing the factory data reset, remember to make backup copies of all important data stored in the device. Samsung is not responsible for the loss of data stored in the device.
  • Page 11 Software Update Tap Reset → Delete all. All data will be deleted when rebooting. During a factory data reset, the device may repeat rebooting and the logo may be displayed for a long time.

  • Page 12: Quality Test

    Quality Test Quality Test Using the Samsung Members App It is recommended to evaluate your device through the Samsung Members app after it has been repaired to guarantee its performance. If the test results show any abnormalities or that another malfunction has occurred because of the repair, visit a Samsung Service Center to receive further instruction.

  • Page 13: Test Items

    If the exclamation mark appears on any test • items after finishing the test, tap them to find the solutions. If the problem persists, visit a Samsung Service Center. Test Items Function: Check whether your device can read • near field communication (NFC) tags that contain information about products.
  • Page 14 ‒ FAQ: View frequently asked questions. ‒ History: View your device’s restart history. Official software Function: Check whether the software is working • normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Service information: View the Samsung Service Center location.
  • Page 15 Quality Test Mobile network Function: Check whether your mobile network is • working normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Settings: Configure your mobile network settings. ‒ FAQ: View frequently asked questions. Sensors Function: Check whether the sensors are working •...
  • Page 16 Quality Test Touch screen Function: Check whether the touchscreen is • working normally. Provided information • ‒ Status: View whether the feature is working normally. Buttons Function: Check whether the buttons are working • normally. How to check: • Press the buttons by following the directions on the screen.
  • Page 17 Quality Test Speaker Function: Check whether the speakers are • working normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Speaker types: View the status of each speaker. ‒ FAQ: View frequently asked questions. Vibration Function: Check whether the vibration feature is •...
  • Page 18 Quality Test Camera Function: Check whether the rear and front cameras are working normally. • How to check: • Tap the camera button to test the rear and front cameras. The picture that was taken will be displayed to check the quality of the pictures. Provided information •...
  • Page 19 Quality Test Function: Check whether the microphone is working normally. • How to check: • 1) Tap Record and say something for the recording. 2) When the recording is finished, tap Play and select a button according to the question. Provided information •...
  • Page 20 Quality Test Location accuracy Function: Check whether the location accuracy is • working normally. How to check: • Tap Start. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. The results might be more accurate when you test outside.
  • Page 21 Quality Test Bluetooth Purpose: Check whether Bluetooth can search for • other Bluetooth devices. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. To test this feature, the Bluetooth feature must be activated.
  • Page 22 Quality Test Face recognition Purpose: Check whether the face recognition • sensor is working. How to check: • Look at the screen. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. To test this feature, your face must be registered.
  • Page 23 Quality Test S Pen Purpose: Check whether the S Pen is recognized in all areas of the touchscreen. • How to check: • 1) Tap all the rectangles on the screen with the S Pen. The tapped or dragged rectangles will turn blue. 2) Hover the S Pen over the screen and move from A to B.
  • Page 24 How to check: • Connect a charger to your device. Provided information • ‒ Status: View whether the feature is working normally. ‒ Charging speed: View the charging speed according to the charger you connected. Use only Samsung-approved chargers.
  • Page 25 ‒ Status: View whether the feature is working normally. ‒ Charging speed: View the charging speed according to the wireless charger you put your device on. Use only Samsung-approved wireless chargers. Battery status Function: Check the battery values and analysis. • Provided information •...

  • Page 26: Calibrations

    In order to guarantee the stable and correct performance of components or sensors, it is required to conduct calibrations through the Self Repair Assistant app after repair. If the calibration results show any malfunctions, visit a Samsung Service Center for further action. Any malfunctions caused by your repair may incur additional repair charges.

  • Page 27: Using The Self Repair Assistant App

    Calibrations Depending on the model, the screen module may include batteries. So when • the screen module is replaced, the battery also has to be selected and a battery cycle reset must be performed. In the Fold models, touch screen panel calibration is performed for both the •...
  • Page 28 Calibrations Read Privacy Notice and tap Continue. If you are not signed in to your • Samsung account, a button will appear to sign in. If you select the link to read the full • Privacy Notice, you will be directed to...
  • Page 29 Calibrations Check permissions and tap Continue. Select the part that you have replaced and tap Next. The required calibrations will be • conducted automatically. If the device does not have certain • components or sensors associated with the part that has been replaced, relative calibration will be skipped automatically.
  • Page 30 Calibrations Read the on-screen instructions and tap Start. Refer to Optical Fingerprint Sensor Calibration, Resetting the Battery Cycle Count, Range Sensor Calibration, Touch Screen Panel Calibration, Speaker Calibration, Under-display Camera Calibration (Fold Models Only), and Digital Hall Sensor Calibration (Fold and Flip Models Only) for more information.
  • Page 31 Calibrations Check the results of each calibration item. Completed: Calibration was done • normally. Failed: Calibration failed. • Skipped: Calibration was skipped. • On the calibration results page, tap Close to close the app. Restart your device to finish calibrating.

  • Page 32: Optical Fingerprint Sensor Calibration

    Calibrations Optical Fingerprint Sensor Calibration Whenever the screen is replaced, the optical fingerprint sensor must be calibrated to guarantee optimized fingerprint sensor performance for devices that have it. Optical fingerprint sensor calibration is available through the Self Repair Assistant app. This feature may not be available depending on the model.
  • Page 33 Calibrations Check the part and calibration and then tap Start. Read the on-screen instructions and tap Start. The white calibration box must be prepared before you start. Put the white calibration box on the sensor area (below the square side) and push the rubber by applying force with your finger.
  • Page 34 Calibrations Put the black calibration box on the sensor area (below the square side) and push the rubber by applying force with your finger. Tap Next and keep pushing the rubber with your finger until you see the success message. The black calibration box must be •...

  • Page 35: Resetting The Battery Cycle Count

    Calibrations Check the result of the calibration. Completed appears only when the calibration is successfully completed. If Completed does not appear, try calibrating again. Resetting the Battery Cycle Count The battery cycle count should be reset whenever your device’s battery is replaced. Launch the Self Repair Assistant app.
  • Page 36 Calibrations Check part and calibration and tap Start. Tap Start. Read the on-screen instructions and tap Scan to scan the QR code, or tap Enter manually to enter the serial number manually.
  • Page 37 Calibrations Scan the QR code or enter the serial number that appears on the battery package. The reset will begin. Check the calibration results.

  • Page 38: Range Sensor Calibration

    Calibrations Range Sensor Calibration When replacing screens, batteries, back glasses, or charging ports, range sensor calibration is required to ensure the range sensors of devices equipped with them are optimized. Range sensor calibration is available through the Self Repair Assistant app. Some content may differ from your device depending on the region, service provider, model specifications, or device’s software.
  • Page 39 Calibrations Read the on-screen instructions and tap Start. In a dark room or area, place the phone face-down, then press the Volume button. The calibration will perform automatically. A tone will play when calibration is complete. Check the calibration result.

  • Page 40: Touch Screen Panel Calibration

    Calibrations Touch Screen Panel Calibration When replacing screens, touch screen panel calibration is required to ensure accurate touch input. Touch screen panel calibration is available through the Self Repair Assistant app. In the Fold models, touch screen panel calibration is performed for both the main and cover screens.
  • Page 41 Calibrations Read the on-screen instructions and tap Start. The calibration will perform automatically and the screen will turn white during calibration. Check the calibration result.

  • Page 42: Speaker Calibration

    Calibrations Speaker Calibration When replacing speakers, the speaker must be calibrated to guarantee optimized speaker performance for devices that have it. Speaker calibration is available through the Self Repair Assistant app. Launch the Self Repair Assistant app. Select the part that you have replaced and tap Next.
  • Page 43 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.

  • Page 44: Under-Display Camera Calibration (Fold Models Only)

    Calibrations Under-display Camera Calibration (Fold Models Only) Whenever the screen is replaced, the under-display camera must be calibrated to guarantee optimized under-display camera performance for devices that have it. Under-display camera calibration is available through the Self Repair Assistant app. This feature may not be available depending on the model.
  • Page 45 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.

  • Page 46: Digital Hall Sensor Calibration (Fold And Flip Models Only)

    The boot screen (the screen where the Samsung and carrier logos appear) will appear normally and then turn off, so it is not a hardware failure.
  • Page 47 Calibrations Launch the Self Repair Assistant app. Select the part that you have replaced and tap Next. Check part and calibration and tap Next. Tap Start.
  • Page 48 Calibrations The calibration will perform automatically. Check the calibration result.

  • Page 49: Exploded View And Parts List

    Exploded View and Parts List Exploded View and Parts List The product’s composition may vary depending on the country, region, or carrier. Exploded View...

  • Page 50: Parts List

    Exploded View and Parts List Parts List Number Name QCR254 Screw 3326 QCR253 Screw 3427 QCA03 Rear Camera (Ultra Wide) QCA02 Front Camera QCA01 Rear Camera (Wide) QCA04 Rear Camera (Macro) QAN01 Rear (Top) QSP01 Speaker (Top) QMO01 Vibrator motor QME03 Main Flex Cable 1 (Sub PBA to PBA) QFP01...

  • Page 51: Disassembly And Assembly

    Disassembly and Assembly Disassembly and Assembly Tools for Disassembly and Assembly When repairing devices, you absolutely must wear protective equipment for your safety. Tool & Part Code Image Description Prevents accidents during repair Safety Goggles (protective equipment) Safety Gloves (ESD Prevents accidents during repair safe, cut-resistant) (protective equipment)
  • Page 52 Disassembly and Assembly Tool & Part Code Image Description Prevents electrostatic damage ESD Safe Mat (recommended) Ejection Pin Pin for ejecting the SIM card tray Cross-head Tool for screwing in cross-head Screwdriver screws Tool for disassembling the back Opening Pick cover and other parts Tool for disassembling the Opening Tool...
  • Page 53 Disassembly and Assembly Tool & Part Code Image Description Tool for handling connectors, cables, and other parts Because it is possible • to damage parts or components when using ESD Safe Tweezers sharp tweezers, use and Round Tip tweezers made with plastic Metal Tweezers or rubber material.

  • Page 54: Fasteners (Adhesives And Materials) For Assembly

    Disassembly and Assembly Fasteners (Adhesives and Materials) for Assembly The fasteners composition may vary depending on the repair parts, country, region, or carrier. Item Quantity Image Description Back Cover Double sided adhesive tape Adhesive Tape for attaching the back cover to metal frame and rear case of the device GH02-25681A...

  • Page 55: Disassembly And Reassembly For Replacement

    Disassembly and Assembly Disassembly and Reassembly for replacement The product’s composition may vary depending on the country, region, or carrier. Before disassembling: Unplug and turn off device before disassembling. • Remove the SIM card tray from the device. • Wear an anti-static wrist strap and connect it to the grounded ESD safe mat. •...
  • Page 56 Disassembly and Assembly Press the acrylic protective cover with strong force so that it is strongly attached to the glass. Wait more than 5 minutes until the bond between the acrylic protective cover and the glass is strengthened. Acrylic protective cover Follow the disassembly steps in this guide.

  • Page 57: Sim Card Tray

    Disassembly and Assembly SIM Card Tray Disassembly Prepare the device to repair by yourself. Insert the ejection pin into the hole of the SIM card tray to loosen the tray and pull out the tray gently from the tray slot.

  • Page 58: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. Insert the SIM card tray back into the slot. Ensure that there are no abnormalities.

  • Page 59: Back Cover

    Disassembly and Assembly Back Cover Disassembly When removing the back cover, ensure that the device is fixed on a flat surface. Heat the microwaveable heating bag and apply it on the back cover for 3 minutes to soften the adhesive. It is possible for the device or battery to be damaged by heat.
  • Page 60 Disassembly and Assembly Place the suction cup in the center of the left edge of the back cover, and lift it upwards. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use. As the back cover can be damaged by excessive force, be careful not to damage •...
  • Page 61 Disassembly and Assembly While pulling up the suction cup with strong, steady force to create the gap between the back cover and the screen module, place the opening pick in the gap between the back cover and the screen module and slide the opening pick back and forth along the edge to slice through the adhesive.
  • Page 62 Disassembly and Assembly...

  • Page 63: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Before attaching the back cover, make absolutely sure that there are no screws, miscellaneous parts, or other foreign objects on the inside of the device (among the battery, PBA, etc.).
  • Page 64 Disassembly and Assembly Remove the release film of the new back cover adhesive tape. Align the adhesive tape on the back cover and attach it. Using the tweezers or your fingers, gently press around the edges to ensure a secure fit.
  • Page 65 Disassembly and Assembly Using the tweezers or your fingers, remove all the remaining release films on the back cover. Attach the back cover and press down on the edges of the back cover. Check the gap between the back cover and metal frame. If you feel the some gap, remove the back cover and attach it again.
  • Page 66 Disassembly and Assembly Press down the edges of the back cover evenly in order to attach the back cover perfectly. Ensure that there are no abnormalities. Reassemble the SIM Card Tray to complete assembly.

  • Page 67: Rear Top And Bottom

    Disassembly and Assembly Rear Top and Bottom Disassembly Remove the Back Cover first before you begin. • If only the rear top needs to be removed, disassemble only the rear top. • Check and remove the screws at the 16 different points at the top and bottom of the rear using a cross-head screwdriver.
  • Page 68 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the rear top and remove it carefully. Using the tweezers, disconnect the battery connector first from the main board. Make sure to first disconnect the battery connector for your own safety. •...
  • Page 69 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the rear bottom and remove it carefully. Be careful not to damage the battery. Be careful not to damage the charging port and near components. The bottom speaker is built into the rear bottom.

  • Page 70: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. If only the rear top was disassembled, reassemble the rear top only. Using the tweezers, assemble the rear bottom above the charging port and press down on it in its position with your fingers.
  • Page 71 Disassembly and Assembly Connect the battery connector to the main board. Be careful not to damage the battery. Be careful not to damage the battery connector and near components. Using the tweezers, assemble the rear top above the main board and press down on it in its position with your fingers.
  • Page 72 Disassembly and Assembly Check the screw 3427 (16 ea) at the 16 different points on the top and bottom of rear, and fasten them using a cross-head screwdriver. Be careful not to damage the battery. Be careful not to damage the near components. If only the rear top was removed, fasten only the top 9 screws.

  • Page 73: Charging Port And Microphone

    Disassembly and Assembly Charging Port and Microphone The microphone is built into the charging port module. Disassembly Remove the Back Cover Rear Top and Bottom first before you begin. Using the tweezers, disconnect the 2 flex cable connectors and the fingerprint recognition sensor connector from the charging port.
  • Page 74 Disassembly and Assembly Check the screws at the 2 different points on the charging port and remove them using a cross-head screwdriver. Be careful not to damage the battery. Be careful not to damage the near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 75 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the charging port module, and remove it carefully. Be careful not to damage the battery. Be careful not to damage the charging port and near components.

  • Page 76: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers, insert the charging port module to the bottom metal frame of device, and press down on it in its position smoothly.
  • Page 77 Disassembly and Assembly Using your fingers, connect the 2 flex cable connectors and the fingerprint recognition sensor connector to the charging port. Be careful not to damage the cable. • Be careful not to damage the charging port and near components. •...

  • Page 78: Main Board

    Disassembly and Assembly Main Board The PBA can only be replaced at an authorized repair shop. If the PBA is faulty, contact Samsung for further instruction. Disassembly Remove the Back Cover Rear Top and Bottom first before you begin. Using the tweezers, disconnect the 2 flex cable connectors from the main board.
  • Page 79 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the main board and remove it carefully. Be careful not to damage the battery. Be careful not to damage the main board and near components.

  • Page 80: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Align the main board module onto the device frame. After attaching the upper part of the main board diagonally on the screen module, assemble the lower part.
  • Page 81 Disassembly and Assembly Using your fingers, connect the 2 flex cable connectors to the main board. Be careful not to damage the cable. • Be careful not to damage the main board and near components. • Reassemble the Rear Top and Bottom, Back Cover, and...

  • Page 82: Front Camera

    Disassembly and Assembly Front Camera Disassembly Remove the Back Cover Rear Top and Bottom first before you begin. Using the tweezers, separate the front camera connector from the main board and remove the front camera carefully from the device. Leave the camera lens facing up. Be careful not to touch the camera lens while removing the camera.

  • Page 83: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers or your fingers, place the front camera in the camera hole so that the lens faces forward, and gently insert the front camera.

  • Page 84: Rear Camera

    Disassembly and Assembly Rear Camera Disassembly Remove the Back Cover, Rear Top and Bottom, and Main Board first before you begin. Disconnect the rear camera connector from the main board using the tweezers, and remove the rear camera carefully from the main board. Leave the camera lens facing up. Be careful not to touch the camera lens while removing the camera.

  • Page 85: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using your fingers, connect the rear camera connector on the main board. Leave the camera lens facing up.

  • Page 86: Top Speaker

    Disassembly and Assembly Top Speaker Disassembly Remove the Back Cover, Rear Top and Bottom, and Main Board first before you • begin. The top speaker is already built into the screen module. Disassemble the • speaker only if the speaker itself requires repairs. Lift up on the separator groove of top speaker using the tweezers and remove it carefully from the screen module.

  • Page 87: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. Remove the clear film from the new top speaker and assemble it to the exact position of the screen module using the tweezers or your fingers.

  • Page 88: Button

    Disassembly and Assembly Button The buttons are already built into the screen module. Disassemble the buttons only if the buttons themselves require repairs. Disassembly To remove the Volume button or Side button, lightly press one end of the button with your fingers so that the other end protrudes.

  • Page 89: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. Remove the release film of new Volume button. Using your fingers, grab the Volume button and insert it on the slot carefully.
  • Page 90 Disassembly and Assembly Remove the release film of new Side button. Using your fingers, grab the Side button and insert it on the slot carefully. Be careful not to damage the button and device. Press down the Side button softly and evenly so that the button can be completely assembled.

  • Page 91: Screen Module

    Disassembly and Assembly Screen Module Disassembly Remove the Back Cover Rear Top and Bottom first before you begin. Using the tweezers, disconnect the 3 cable connectors and remove the flex cable completely. Be careful not to damage the cable. • Be careful not to damage the near components.
  • Page 92 Disassembly and Assembly Using the tweezers, disconnect the 2 cable connectors and remove the flex cable completely. Be careful not to damage the cable. • Be careful not to damage the near components. •...
  • Page 93 Disassembly and Assembly Using the tweezers, separate the connector of the fingerprint recognition sensor carefully from the charging port and remove the fingerprint recognition sensor completely. Leave the sensor facing up. Be careful not to damage the battery. Be careful not to damage the fingerprint recognition sensor. •...
  • Page 94 Disassembly and Assembly Check and remove the screws at the 3 different points at the main board and charging port using a cross-head screwdriver. Be careful not to damage the battery. Be careful not to damage the main board and charging port. •...
  • Page 95 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the main board and remove it carefully. Be careful not to damage the battery. Be careful not to damage the main board and near components. Using the tweezers, lift up on the separator groove of the charging port and remove it carefully.
  • Page 96 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the vibrator motor and remove it carefully from the screen module. The screen module consists of the screen, metal bracket, and battery. As they are bonded to each other, they cannot be separated. Be careful not to damage the battery.

  • Page 97: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. If you use the existing vibrator motor as it is when reassembling, remove the adhesive tape on the bottom of the vibrator motor.
  • Page 98 Disassembly and Assembly Remove the release film from the adhesive tape. Be careful not to damage the vibrator motor. Using the tweezers or your fingers, assemble the vibrator motor to the exact position of the screen module and press it with your fingers softly. Be careful not to damage the vibrator motor and near components.
  • Page 99 Disassembly and Assembly Using the tweezers, insert the charging port module to the bottom metal frame of device and press down on it in its position smoothly. Be careful not to damage the charging port and near components. Align the main board module onto the device frame. After attaching the upper part of the main board diagonally on the screen module, assemble the lower part.
  • Page 100 Disassembly and Assembly Check and fasten the screws 3326 (3 ea) at the 3 different points at the main board and charging port using a cross-head screwdriver. Be careful not to damage the battery. Be careful not to damage the main board and charging port. •...
  • Page 101 Disassembly and Assembly Using the tweezers or your fingers, assemble the fingerprint recognition sensor to the exact position and connect its connector carefully to the charging port. Be careful not to damage the battery. Be careful not to damage the fingerprint recognition sensor. •...
  • Page 102 Self Repair Assistant app after repairing and assembling your device. Refer Calibrations for more information. Visit a Samsung Service Center when finding some issues from the • calibration results. However, you may incur additional charges if the device has a malfunction because of DIY repairs.
  • Page 103 This guide is a property of Samsung Electronics Co., Ltd. Any unauthorized use of guide can be punished under applicable international and/or domestic law. © Samsung Electronics Co., Ltd.
  • Page 104 RCV AMP VOLUME MIC_MAIN SPK AMP MIC_SUB SENSOR MAIN PMIC PWR KEY AMBIENT ACC & GYRO MAGNETIC SUB PMIC HALL(SUB) DCXO RCAM1 USB CONN(C type) RCAM2 IF PMIC PWR KEY RCAM3 Flash LED MAIN 1 FCAM SUB 4, WIFI 1 2.4G+5G Diplexer DC IC...

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