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Samsung SM-A127F Service Manual
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Samsung SM-A127F Service Manual

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SM-A127F
For Customer
1. Precautions
CONTENTS
Notice: All functionality, features, specifications,
and other product information provided in this
document, including but not limited to, benefits,
design, pricing, components, performance,
availability, and capabilities of the product are
subject to change without notice. Samsung
reserves the right to alter this document or the
product described herein at anytime, without
obligation to provide notification of such
changes.

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Summary of Contents for Samsung SM-A127F

  • Page 1: Table Of Contents

    Samsung reserves the right to alter this document or the product described herein at anytime, without obligation to provide notification of such...
  • Page 2 Any damage to the product caused by an attempt to repair the product by any person other than a Samsung certified service provider will not be covered by the warranty.
  • Page 3 Increase the airflow to the working area to decrease the chance of accidental static electricity discharges. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.

  • Page 4: Specification

    Accelerometer, Fingerprint Sensor, Grip Sensor, Virtual Light Sensing, Virtual Proximity Sensor Sensing Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.

  • Page 5: Exploded View And Parts List

    3. Exploded View and Parts List 3-1. Exploded View Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 6 SVC COVER ASSY-REAR_A127_ZK_VN_CIS GH82-26220A QMP01 SVC PBA-MAIN(COMM)SM-A127F_3+32GB,SER GH82-26231A Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.

  • Page 7: Sw Update

    5. When the update is complete, click OK. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 8 7. When the emergency recovery is complete, click OK. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 9 Google account is recommended to log out. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 10 When the setup wizard screen is displayed, Factory data reset completed. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.

  • Page 11: Disassembly And Assembly

    Ejector Pin (+) Screw Driver Cross-head screwdriver Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 12 Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 13 Back cover lens ( ) or to get fingerprints on the lens. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 14 Remove all 13 screws with a cross-head screwdriver. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 15 -Insert tweezers in the groove to separate the BTM Rear. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 16 - Use tweezers to remove the Coaxial cable. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 17 - Be careful not to damage the parts around the connector. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 18 - Be careful not to damage the parts around the connector. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 19 - Be careful not to damage nearby components. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 20 : If the battery needs to be changed, visit a Samsung service centre and receive further action. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 21 - Be careful not to damage the connector or nearby components. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 22 - Be sure to not assemble the speaker onto the Indicator guide when assembling it. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 23 The front of the Main board module. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 24 Use a tweezers to connect the Coaxial cable to the Charging Step 4 assembly. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 25 - Be careful not to damage the battery. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 26 Step 2 Assemble the TOP ANT manually. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 27 Install 13 screws in the indicated positions. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 28 After completion, insure that the hook is not unfastened. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 29 After finishing the last step, ensure that there are no Finish abnormalities. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.

  • Page 30: Quality Test

    6. Samsung Members In order to guarantee the safe use of products, it is recommended to conduct through Samsung Members after repair. If the test results show any abnormalities or that another malfunction has occurred from the repair, please visit a Samsung service centre to receive further action.
  • Page 31 - Follow the instruction from the App. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 32 Interactive checks screen. Step 3 Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 33 - Check the Bluetooth of other device is tuned on also. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 34 ※ FAQ which displayed when failed includes more information. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 35 - Clear the keys and try again. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 36 - If you cannot hear after recording, please try again after volume up “Media Volume”. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 37 - Check if the camera is covered by foreign objects, a case, or protective vinyl. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 38 ※ FAQ which displayed when failed includes more information. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 39 - If possible, please try again with Samsung genuine charger. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 40 - If possible, please try with the Samsung Genuine headset. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 41 - If possible, please try with the Samsung Genuine charger. Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorisation is strictly prohibited.
  • Page 42 This Service Manual is a property of Samsung Electronics Co.,Ltd. ⓒ Samsung Electronics Co.,Ltd Any unauthorised use of Manual can be punished under applicable 2021. 08. Rev 1.1 International and/or domestic law.
  • Page 43 SAMSUNG SM-A127F_REV0.3 Block Diagram CONFIDENTIAL LB/MB MMMB PAM SP10T SKY77621-31 REAR CAMERA MX D86A7S 5M(UW) 2M(B) 2M(M) FRONT CAMERA JACK MAIN FPCB(48pin) 24-5843-048-002-829+ CONN TRANCEIVER Anti MT6177MV/B MAIN FPCB_PART HB FEMID Pop-up (78pin) SFMD3L0F001 BLIC 6.55'' HD+ TFT LM36274YF FR...