Samsung SM-S928B Repair Manual Download

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REPAIR GUIDE

SM-S928B
SM-S928U
SM-S928U1
English. Rev.1.1

Summary of Contents for SM-S928B

Page 1: ...www samsung com REPAIR GUIDE SM S928B SM S928U SM S928U1 English Rev 1 1...

Page 2: ...e Update Failure 8 Recovering on AnotherComputer 9 Performing a Factory Data Reset QualityTest 11 Quality Test Using the Samsung Members App 11 Device Diagnostics 12 Test Items Calibrations 25 Calibra...

Page 3: ...placement 57 SIM Card Tray Remove 58 S Pen Remove 59 Button Remove 62 Back CoverRemove 73 Wireless Charging Module and Bottom SpeakerRemove 76 Charging Port Remove 78 Main Board Remove 85 Camera Remov...

Page 4: ...herthan a Samsung certified carrierwill not be covered by the warranty Use only demagnetized tools that are specifically designed forsmall electronic repairs as most electronic parts are sensitive to...

Page 5: ...eign objects around the battery During assembly check if there are any abnormalities before reattaching the back cover and be careful not to damage the battery by hitting ordenting it If the battery i...

Page 6: ...es 6 Instructional Icons Warning situations that could cause injury to yourself orothers Caution situations that could cause damage to yourdevice orotherequipment Notice notes usage tips oradditional...

Page 7: ...te Failure If yourdevice becomes disconnected from a network before the update is complete the update may fail Reconnect to a network and complete the update Updating Software through Smart Switch You...

Page 8: ...Smart Switch again on the computer 2 Click EmergencySoftware Recoveryand Reset The device list will appear 3 Click the device that experienced a software update errorand click Device reset OK The dev...

Page 9: ...ed apps from the device Before performing the factory data reset rememberto make backup copies of all important data stored in the device Samsung is not responsible forthe loss of data stored in the d...

Page 10: ...Software Update 10 3 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 fora long time...

Page 11: ...rto receive furtherinstruction Any malfunctions caused byyour repairmay incuradditional repaircharges The Samsung Members app is subject to update without any priornotice To use this feature you must...

Page 12: ...instructions depending on the test item Keep an eye on the screen during testing to ensure smooth progress If the exclamation mark appears on any test items afterfinishing the test tap them to find t...

Page 13: ...rd tray and replace it If possible try again with anotherSIM card Powerrestart status Function Check yourdevice s restart history Provided information Status Viewwhetherthe feature is working normally...

Page 14: ...View frequently asked questions Sensors Function Check whetherthe sensors are working normally Provided information Status Viewwhetherthe feature is working normally Sensortypes View the status of ea...

Page 15: ...g normally How to check Press the buttons by following the directions on the screen Provided information Status Viewwhetherthe feature is working normally Button types View the status of each button M...

Page 16: ...eakertypes View the status of each speaker FAQ View frequently asked questions Vibration Function Check whetherthe vibration feature is working normally Provided information Status Viewwhetherthe feat...

Page 17: ...ras The picture that was taken will be displayed to check the quality of the pictures Provided information Status View the status whetherthe feature is working normally Camera types View the status of...

Page 18: ...rding is finished tap Play and select a button according to the question Provided information Status Viewwhetherthe feature is working properly Mic types View the status of each mic FAQ View frequentl...

Page 19: ...ts might be more accurate when you test outside Wi Fi Function Check whetherWi Fi can search for Wi Fi routers Provided information Status Viewwhetherthe feature is working normally Available networks...

Page 20: ...w frequently asked questions To test this feature the Bluetooth feature must be activated Fingerprint recognition Purpose Check whetherthe fingerprint recognition sensoris working How to check Place y...

Page 21: ...quently asked questions To test this feature yourface must be registered Wired headphones Purpose Check whetherthe headphone jack recognizes the headphones normally How to check 1 Connect headphones t...

Page 22: ...will turn blue 2 Hoverthe S Pen overthe screen and move from A to B The blue circle will move along with the S Pen Provided information Status Viewwhetherthe feature is working normally S Pen features...

Page 23: ...ally FAQ View frequently asked questions To test this feature the USB cable must be connected to a computer Cable charging Purpose Check whetherthe multipurpose jack recognizes the chargernormally How...

Page 24: ...lly Charging speed View the charging speed according to the wireless chargeryou put your device on Use only Samsung approved wireless chargers Batterystatus Function Check the batteryvalues and analys...

Page 25: ...to conduct the accurate calibrations afterrepair visit a Samsung Service Centerorwebsite to buy calibration equipment if you do not have any Used Parts and Calibration Functions in Supported Models Th...

Page 26: ...ay camera calibration is only forthe Fold models Using the Self RepairAssistant App 1 Download the Self RepairAssistant app from GalaxyStore ForUS devices you need to install the APK file forthe Self...

Page 27: ...s 27 3 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...

Page 28: ...t the part that you have replaced and tap Next The required calibrations will be conducted automatically If the device does not have certain components orsensors associated with the part that has been...

Page 29: ...ical Fingerprint Sensor Calibration Resetting the Battery Cycle Count Range SensorCalibration Touch Screen Panel Calibration Speaker Calibration Under display Camera Calibration Fold Models Only and D...

Page 30: ...sults of each calibration item Completed Calibration was done normally Failed Calibration failed Skipped Calibration was skipped 8 On the calibration results page tap Close to close the app Restart yo...

Page 31: ...cally checked in the Self RepairAssistant app so please follow the guidance of the Self RepairAssistant app Three rubbers the white calibration box the black calibration box and the 3D fingerprint dum...

Page 32: ...st be prepared before you start 5 Put the white calibration box on the sensor area below the square side and push the rubberby applying force with yourfinger Tap Next and keep pushing the rubber with...

Page 33: ...s shaped like a square should be located on the square guide line 7 Put the 3D fingerprint dummy rubberon the sensorarea below the square side and push the rubberby applying force with your finger Tap...

Page 34: ...tion is successfully completed If Completed does not appear try calibrating again Resetting the BatteryCycle Count The battery cycle count should be reset wheneveryourdevice s battery is replaced 1 La...

Page 35: ...Calibrations 35 3 Check part and calibration and tap Start 4 Tap Start 5 Read the on screen instructions and tap Scan to scan the QR code ortap Enter manually to enterthe serial number manually...

Page 36: ...Calibrations 36 6 Scan the QR code orenterthe serial numberthat appears on the battery package The reset will begin 7 Check the calibration results...

Page 37: ...devices equipped with them are optimized Range sensorcalibration is available through the Self RepairAssistant app Some content may differfrom yourdevice depending on the region service provider model...

Page 38: ...reen instructions and tap Start 5 In a dark room orarea place the phone face down then press the Volume button 6 The calibration will perform automatically A tone will playwhen calibration is complete...

Page 39: ...ate touch input Touch screen panel calibration is available through the Self RepairAssistant app In the Fold models touch screen panel calibration is performed forboth the main and coverscreens 1 Laun...

Page 40: ...Calibrations 40 4 Read the on screen instructions and tap Start 5 The calibration will perform automatically and the screen will turn white during calibration 6 Check the calibration result...

Page 41: ...alibrated to guarantee optimized speakerperformance fordevices that have it Speakercalibration is available through the Self RepairAssistant app 1 Launch the Self RepairAssistant app 2 Select the part...

Page 42: ...Calibrations 42 4 Tap Start 5 The calibration will perform automatically 6 Check the calibration result...

Page 43: ...display camera calibration is available through the Self RepairAssistant app This feature may not be available depending on the model The availability of this feature can be automatically checked in...

Page 44: ...Calibrations 44 4 Tap Start 5 The calibration will perform automatically 6 Check the calibration result...

Page 45: ...dware failure 1 Fold the device and launch the Self RepairAssistant app on the cover screen 2 Move to the digital hall sensorcalibration screen unfold the device and then press the Volume Up button or...

Page 46: ...Calibrations 46 1 Launch the Self RepairAssistant app 2 Select the part that you have replaced and tap Next 3 Check part and calibration and tap Next 4 Tap Start...

Page 47: ...Calibrations 47 5 The calibration will perform automatically 6 Check the calibration result...

Page 48: ...w and Parts List 48 ExplodedViewand Parts List The 5G mmWave antenna modules are only supplied with United States devices The product s composition mayvary depending on the country region or carrier E...

Page 49: ...e QAN01 Wireless Charging Module QCA03 RearCamera Ultra Wide QCA04 RearCamera Wide QCA02 RearCamera Tele 3x QCA01 RearCamera Tele 5x QCR255 Screw 3487 QCA05 Front Camera QIF01 Charging Port QME05 Butt...

Page 50: ...Exploded View and Parts List 50 Number Name QSM01 SIM Card Tray QFR01 Screen Module QME02 Main Flex Cable 2 Screen to PBA QME01 Main Flex Cable 3 Sub PBA to PBA...

Page 51: ...ipment foryoursafety Tool Part Code Image Description Safety Goggles Prevents accidents during repair protective equipment Safety Gloves ESD safe cut resistant Prevents accidents during repair protect...

Page 52: ...ay Cross head Screwdriver Tool forscrewing in cross head screws Opening Pick Tool fordisassembling the back coverand otherparts Opening Tool Tool fordisassembling the connectorand otherparts Suction C...

Page 53: ...sible to damage parts or components when using sharp tweezers use tweezers made with plastic orrubbermaterial When removing a vibrator motor it is required to use the round tip metal tweezers Heating...

Page 54: ...Double sided adhesive tape forattaching the front part of the front camera to screen module Front Camera Side Adhesive Tape GH81 25114A 2 Double sided adhesive tape forattaching the left right sides...

Page 55: ...forUnited States devices 5G mmWave Antenna Module V Metal Bracket GH98 48076A 1 Metal bracket with adhesive tape to attach the left 5G mmWave antenna to metal frame The 5G mmWave antenna is only avai...

Page 56: ...e acrylic protective cover 3 To prevent injuries and scattering caused by broken glass attach an acrylic protective cover If yourdevice s glass breaks be careful not to injure yourhands orotherbody pa...

Page 57: ...Prepare the device to repairbyyourself 2 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 Afteryou finish disassembling re...

Page 58: ...Disassembly and Assembly 58 S Pen Remove 1 Press the end of the S Pen to disengage it 2 Pull out the S Pen from the slot Afteryou finish disassembling referto S Pen Assembly forhow to reassemble...

Page 59: ...the Volume button with yourfingers lightly so that the otherend protrudes 2 Push the tip of the protruding button up carefullywith the tweezers and lift it up until you can grab it with yourfingers W...

Page 60: ...gers lightly so that the otherend protrudes 5 Push the tip of the protruding button up carefullywith the tweezers and lift it up until you can grab it with yourfingers When holding the buttons with th...

Page 61: ...Disassembly and Assembly 61 6 Grab the Side button with yourfingers and pull out it carefully from the device Afteryou finish disassembling referto Button Assembly forhow to reassemble...

Page 62: ...o could cause an explosion If yourdevice s glass breaks the debris can cause injury to yourhands or otherbody parts Foryoursafety attach an acrylic protective coverbefore disassembling the device Foll...

Page 63: ...back covercan be damaged by excessive force be careful not to damage the back cover Be careful that the suction cup does not adhere to the area where the tape or stickeris attached As the internal ci...

Page 64: ...ice the adhesive Leave the opening pick in the left edge side to prevent the adhesive from resealing As the back covercan be damaged by excessive force be careful not to damage the back cover As the i...

Page 65: ...rds while separating it with the opening pick As the back covercan be damaged by excessive force be careful not to damage the back cover As the internal circuitry can be damaged do not insert the open...

Page 66: ...e the gap by pressing up down left right on the bottom sides Leave the opening pick in the bottom edge to prevent the adhesive from resealing As the back covercan be damaged by excessive force be care...

Page 67: ...embly and Assembly 67 7 Heat the microwaveable heating bag additionally and apply it on the right edge of the back coverfor3 minutes 8 Place the suction cup in the centerof the right edge of the back...

Page 68: ...inserted in the right edge to prevent the adhesive from resealing As the back covercan be damaged by excessive force be careful not to damage the back cover As the internal circuitry can be damaged do...

Page 69: ...ert the opening pick in the gap at the top right edge As the back covercan be damaged by excessive force be careful not to damage the back cover As the internal circuitry can be damaged do not insert...

Page 70: ...pick back and forth along the top edge to slice through the adhesive As the back covercan be damaged by excessive force be careful not to damage the back cover As the internal circuitry can be damage...

Page 71: ...Disassembly and Assembly 71 13 Lift up the back coverslowly and remove it gently...

Page 72: ...rcamera or back coverlens Make sure to remove any residual tapes attached to the inside of the back coverbefore reassembling the device Be careful not to damage the nearcomponents Apply additional hea...

Page 73: ...s at the top and bottom of the device using a cross head screwdriver Check the numberof screws that have been removed and store them carefully to make sure that no unassembled screws are left inside t...

Page 74: ...the speakermodule tilting the speaker module so it is slanted more than 90 4 Using the tweezers oryourfingers lift up on the right of the metal plate carefully and pull it out from the device Be caref...

Page 75: ...ously from the device Be careful not to tearany connected components nearthe wireless charging module Ensure that the wireless charging module is unfolded to prevent damaging the FPCB Afteryou finish...

Page 76: ...ctorforyourown safety Be careful not to damage the battery 2 Check the screws at the 3 different points on the charging port and remove them using a cross head screwdriver Be careful not to damage the...

Page 77: ...ful not to damage the nearcomponents 4 Using the tweezers ordisassembly stick lift up on the separatorgroove to the left of the charging port module and remove it carefully Be careful not to damage th...

Page 78: ...5 different points on the top speakerand remove them using a cross head screwdriver When removing the screws be careful not to damage the camera lens and top speaker Check the numberof screws that ha...

Page 79: ...at the 2 different points of camera frame and remove them using a cross head screwdriver Be careful to fasten the black screw on the right position when assembling When removing the screws be careful...

Page 80: ...ard Be careful not to damage the camera Be careful not to damage the PBA and nearcomponents 6 Disconnect the connectors of the 3 flex cables with the opening pick and separate them completely from the...

Page 81: ...Disassembly and Assembly 81...

Page 82: ...Disassembly and Assembly 82 7 Using the opening pick disconnect the 2 connectors from the main board Be careful not to damage the PBA and nearcomponents...

Page 83: ...enna connectors using the opening pick Be careful not to damage the battery Be careful not to damage the PBA and nearcomponents The 5G mmWave antenna module and its connectors are only available in Un...

Page 84: ...4 9 Using the tweezers lift up on the separatorgroove of the main board carefully and remove the main board module Be careful not to damage the PBA Afteryou finish disassembling referto Main Board Ass...

Page 85: ...separate the 4 rearcamera connectors one by one Be careful not to drop the camera while disconnecting the connector Be careful not to damage the camera lens and nearcomponents Be careful not to damage...

Page 86: ...ra wide camera on top of camera frame Be careful not to damage the camera lens and nearcomponents Be careful not to damage the main board 5 Remove the adhesive tape on the back of the ultra wide camer...

Page 87: ...the camera and camera lens Check the numberof screws that have been removed and store them carefully to make sure that no unassembled screws are left inside the device during assembly 7 Separate the m...

Page 88: ...8 Carefully separate the 2 middle cameras individuallywith yourfingers Be careful not to damage the camera and camera lens 9 Remove the adhesive tape on the wide camera frame Be careful not to damage...

Page 89: ...Disassembly and Assembly 89 10 Leave the camera lens of the all separated rearcameras facing up Be careful not to damage the camera and camera lens...

Page 90: ...vice s glass breaks the debris can cause injury to yourhands or otherbody parts Foryoursafety attach an acrylic protective coverbefore disassembling the device Follow the heating bag s instructions fo...

Page 91: ...ot to damage the front camera and nearcomponents As the adhesive securing the camera is very strong work slowly Be careful not to touch the ejection pin on the side of the camera If you have trouble r...

Page 92: ...Remove the front camera carefully by tweezers oryourfingers and leave the camera lens facing up Be careful not to damage the front camera and nearcomponents Afteryou finish disassembling referto Camer...

Page 93: ...rews at the 2 different points on the left 5G mmWave antenna module and remove them using a cross head screwdriver When removing the screws be careful not to damage the battery Check the numberof scre...

Page 94: ...with the tweezers oryourfingers Be careful not to damage the battery Do not use a connectororcable to pull out the module If the 5G mmWave antenna feels stuck apply a microwaveable heating bag for 2 m...

Page 95: ...bracket If the 5G mmWave antenna feels stuck apply a microwaveable heating bag for 2 minutes to soften the adhesive When reheating it should be heated no longer than 30 seconds While separating the 5G...

Page 96: ...b it with the tweezers oryourfingers Be careful not to damage the battery When removing the 5G mmWave antenna be careful not to damage it Be careful not to damage the nearcomponents Do not use a conne...

Page 97: ...age it Be careful not to damage the nearcomponents Do not use a connectororcable to pull out the module If the 5G mmWave antenna feels stuck apply a microwaveable heating bag for 2 minutes to soften t...

Page 98: ...Disassembly and Assembly 98 Screen Module The screen module consists of the screen metal bracket and battery As they are bonded to each other they cannot be separated...

Page 99: ...is device and adhesive tapes Wearan anti static wrist strap and connect it to the grounded ESD safe mat Leaving screws inside the device may damage internal components such as the battery When assembl...

Page 100: ...nstalling the upperright 5G mmWave antenna you need to replace the adhesive tape on the upper5G mmWave antenna Remove the existing adhesive from the antenna with the tweezers oryourfingers Be careful...

Page 101: ...erright slot and press down lightlywith yourfingers so that the antenna module is fully fitted When assembling the 5G mmWave antenna module be careful not to bend it 5 Replace the metal bracket with a...

Page 102: ...eath the longerscrew mount and combine them Be careful not to damage the 5G mmWave antenna 7 Press down the antenna with yourfingers softly so that it can be assembled well Be careful not to damage th...

Page 103: ...de of the metal bracket Be careful not to damage the 5G mmWave antenna 10 Insert the 5G mmWave antenna module in the lowerleft slot using the tweezers or yourfingers Be careful not to damage the batte...

Page 104: ...tenna module is fully fitted Be careful not to damage the battery When assembling the 5G mmWave antenna module be careful not to bend it 12 Insert and fasten the screw 3487 2 ea at the lowerside 5G mm...

Page 105: ...such as the battery When assembling be extra careful not to leave any unassembled screws inside the device Disassemble the rearcameras only if rearcameras themselves require repairs 1 Using the tweeze...

Page 106: ...wn the tape with the tweezers so that the tape can be attached well Be careful not to damage the nearcomponents 4 Remove the release film of anothernew front camera side adhesive tape 1 ea 5 Align the...

Page 107: ...ight side of camera hole 7 Remove the release film of a new front camera main adhesive tape 1 ea with the tweezers 8 Align the tape with the position of the front camera hole and attach it accurately...

Page 108: ...uding release film of the attached tape and carefully remove it 10 Remove the release film of a new front camera top adhesive tape 1 ea with the tweezers 11 Align the tape to the top of the front came...

Page 109: ...remove the release film of the top adhesive tape Be careful not to damage the camera 14 Using the tweezers oryourfingers place the front camera in the camera hole so that the lens faces forward and ge...

Page 110: ...enly on the camera module so that the front camera can be fully inserted Be sure to place the camera in the correct position Be careful not to damage camera lens Be careful not to damage and scratch t...

Page 111: ...hesive tape forthe ultra wide camera and attach it to the back of camera Be careful not to damage the camera and camera lens 18 Press down the attached tape softlywith the tweezers and leave the camer...

Page 112: ...of the new adhesive tape to attach on the wide camera frame and attach it on the camera frame Be careful not to damage the camera and camera lens 20 Press down the attached tape softlywith the tweeze...

Page 113: ...e release film from the tape attached on back of the ultra wide camera Be careful not to damage the camera and camera lens 22 Place the ultra wide camera to the camera frame and assemble it Be careful...

Page 114: ...d camera softlywith the tweezers so that the camera can be attached well Be careful not to damage the camera and camera lens 24 Remove the release film from the tape attached on the wide camera frame...

Page 115: ...he tele camera on the camera frame and assemble it Be careful not to damage the camera and camera lens 26 Press down the camera frame softlywith the tweezers so that the camera can be attached well 27...

Page 116: ...not to damage the camera and camera lens 29 Using yourfingers carefully connect the 4 rearcamera connectors one by one Leave the camera lens facing up Be careful not to drop the camera while connecti...

Page 117: ...y damage internal components such as the battery When assembling be extra careful not to leave any unassembled screws inside the device 1 Align the main board module onto the device frame Make sure to...

Page 118: ...sing the tweezers oryourfingers connect 2 additional 5G mmWave antenna connectors on the main board Be careful not to damage the battery connectorand nearcomponents Be careful not to damage the PBA Th...

Page 119: ...rfingers connect the 2 connectors on the main board Be careful not to damage the nearcomponents and PBA 5 Connect the 3 flex cables one by one to the device frame Be careful not to damage the battery...

Page 120: ...Disassembly and Assembly 120...

Page 121: ...he PBA and nearcomponents 7 Check the screw 3428 1 ea and the black screw 3489 1 ea at the 2 different points of camera frame and fasten them using a cross head screwdriver Be careful to fasten the bl...

Page 122: ...ing the tweezers position the top speakerin the correct location and gently press it down to secure it in place Be careful not to damage the PBA 9 Using the tweezers oryourfingers connect the top FRC...

Page 123: ...Disassembly and Assembly 123 10 Check the screw 3428 5 ea at the 5 different points and fasten the 5 screws to the main board Be careful not to damage the camera lens and top speaker...

Page 124: ...ng the tweezers insert the charging port module to the bottom metal frame of device and press down on it in its position smoothly 2 Connect the 2 flex cable connectors to the charging port Be careful...

Page 125: ...reign substances inside the device battery PBA cable etc Shake the device lightlywith the back of the device facing down to remove any remaining screws 5 Connect the battery connectorto the main board...

Page 126: ...any unassembled screws inside the device 1 Using the tweezers assemble the lowerpart of the speakermodule and press down on it in its position with yourfingers until you heara locking sound Assemble t...

Page 127: ...Connect a connectorof the NFC module 3 Insert and fasten the screw 3428 10 ea at the10 different points on the metal plate and the lowerside speakermodule using a cross head screwdriver Be careful no...

Page 128: ...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 orotherforeign objects on the inside of...

Page 129: ...Disassembly and Assembly 129 2 Using the tweezers oryourfingers gently press around the edges to ensure a secure fit 3 Using yourfingers remove all the remaining release films on the device...

Page 130: ...es of the back cover Check the gap between back coverand the metal frame If you feel the some gap remove the back coverand attach it again Some foreign materials can be inside the device 5 Press down...

Page 131: ...rs 1 Remove the release film of newVolume button 2 Using yourfingers grab the Volume button and insert it on the slot carefully Be careful not to damage the buttons and device 3 Press down the Volume...

Page 132: ...b the Side button and insert it on the slot carefully Be careful not to damage the buttons and device 6 Press down the Side button softly and evenly so that the button can be completely assembled Pres...

Page 133: ...Disassembly and Assembly 133 S Pen Assembly Insert the S Pen into the slot and push it in its position...

Page 134: ...ities Check whetherthe parts orsensors in the device work properlywith the Self RepairAssistant app afterrepairing and assembling yourdevice Referto Calibrations formore information Visit a Samsung Se...

Page 135: ...This guide is a property of Samsung Electronics Co Ltd Any unauthorized use of guide can be punished underapplicable international and or domestic law Samsung Electronics Co Ltd...

Page 136: ...M Switch 6 axis Transceiver RF PMIC DISP PMIC RF CONNECTIVITY Clock Secure NVM PM8550VS CAM PMIC Display PMIC BTP In display Tele x3 Wide Ultra Wide VT SPK Amp SUB6 LTE AP PMIC Clock PM8550VS PM8550VS...

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Samsung SM-S928B, Repair Manual

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