Samsung Galaxy A02 Repair Training
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Samsung Galaxy A02 Repair Training

Samsung Galaxy A02 Repair Training

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Galaxy A02 Repair Training
SM-A025U
2
Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.

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  • Page 1 Galaxy A02 Repair Training SM-A025U Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.

  • Page 2: What's In This Guide

    This guide will cover: • Parts of the Device • Disassembly • Assembly So how does this help me? This guide will help you perform quality repairs on Galaxy A02. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.

  • Page 3: Removable Parts

    Galaxy A02 Parts: Removable Parts Galaxy A02 Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 4 The parts include: 6.7” 6.9” • Display Assembly • Main Printed Board Assembly (PBA) Sub PBA • • Components Rear Case • • Battery • Back Cover Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 5 Galaxy A02’s Display Assembly includes the following: • The Display Panel Battery  The Front Glass and Laminate • Vibrator Motor • Battery • Power and Volume Keys • Receiver Power & Vol Vibrator Keys Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 6 The Main PBA is the main board of the device. It contains the most essential components of the device such as: Mobile Chipset • • Main Camera Built-in Storage • • Sub Microphone (Mic) • Front Rear Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 7 The Sub PBA is the secondary board of the device. It contains other essential components of the device such as: Main Mic • USB Type-C Interface (I/F) connector • Sub FPCB Connecting port • 3.5mm Headphone Jack • Front Rear Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.

  • Page 8: Additional Components

    Galaxy A02 that can be removed. These are: Vibrator Motor Front Facing Cam The Vibrator Motor • • The Front Facing Camera (FFC) Main (Rear) Cameras • Galaxy A02 Rear Cameras Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 9 Parts Camera Window The Rear Case Galaxy A02 has a Rear Case that contains the following: • Speaker Camera Window • The Camera Window that covers the Cameras will be one piece, and can be replaced as a unit using double-sided Speaker tape.
  • Page 10 Do not hold the Battery by its flex connector, as this can accidentally short the leads. NOTE: When handling the Battery, be careful not to puncture or damage it. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 11 Parts The Back Cover Galaxy A02 has a Back Cover that is clipped to the Display Assembly. Outer Inner Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 12 Galaxy A02 Disassembly: Taking it all apart Galaxy A02 Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 13 Disassembly of Galaxy A02 Taking the device apart In this section we will review the disassembly of Galaxy A02 This guide will cover: • The tools and equipment needed • The steps of disassembly So how does this help me? With this knowledge you will be able to completely disassemble the Galaxy A02.

  • Page 14: Tools And Equipment

    To ensure proper disassembly without damage to the device, use the proper tools and equipment: Tweezers Disassembly Stick Ceramic Scissors ESD Tweezers Isopropyl Alcohol Screwdriver ESD Wrist Strap Grounded Mat Anti-static Gloves Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 15 • Main PBA • Parts on the Main PBA •  Main Camera Sub PBA • Parts on the Bracket •  Vibrator Motor Battery • Display Assembly • Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.

  • Page 16: Electrostatic Discharge Precautions

    This includes: Wearing an ESD Strap which has passed ALL required tests • Wearing Anti-static Gloves • Working over a Grounded Mat • ESD Wrist Strap Grounded Mat Anti-static Gloves Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 17 Battery to ignite and cause injury In the event of a swollen Battery, be careful to avoid puncturing the Battery when separating and removing the Back Cover. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 18 To prevent damage of the Main PBA, the SIM Tray must be removed. The SIM Tray is located at the top right of the device. microSD Card – Galaxy A02: Up to 1 TB Supported • Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 19 Disassembly Remove the Back Cover Tool Required: Disassembly Stick Starting from the right side, insert the Disassembly Stick and run it around the edges to disconnect the Back Cover. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 20 Disassembly Remove the Rear Case Screws Tool Required: Torque Screwdriver Galaxy A02 has a total of 17 screws. All screws must be removed and discarded. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 21 Remove the Rear Case Tool Required: Plastic Tweezers Using the Plastic Tweezers, enter the disassembly points located on the right and remove the top and bottom pieces of the Rear Case. Bottom Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.

  • Page 22: Disconnect The Battery

    Disconnect the Battery Always disconnect the Battery whenever working on anything which is voltage sensitive. Tool Required: Disassembly Stick Using the Disassembly Stick, disconnect the Battery from the Main PBA. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 23 Front Facing Camera (do not damage conductive tape) • Flex connectors (2) • Coax cables (1) • Remove and place Front Facing Camera with lens facing up to the side to prevent damage to the lens. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 24 Disassembly Remove the Main PBA Tool Required: Disassembly Stick Remove the Main PBA by lifting the board from top right side. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 25 Disconnect two (2) cameras from the front of the Main PBA. Disconnect one (1) camera from the rear of the Main PBA. Set the cameras to the side with the lens facing up to prevent lens damage. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 26 Disassembly Disconnect the Sub PBA Tool Required: Disassembly Stick Disconnect the flex connector and one (1) Coax connector from the Sub PBA. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 27 Disassembly Remove the Sub PBA Tools Required: Screwdriver and Disassembly Stick Use the Disassembly Stick to remove the Sub PBA. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 28 Disassembly Remove the Vibrator Motor Tool Required: Plastic Tipped Tweezers Insert the tip of the Tweezers to remove the Vibrator Motor. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 29 To remove the Battery, apply some Alcohol to the Swab and apply Alcohol around the edges of the Battery. Allow between 30-60 seconds for the Alcohol to dissolve the adhesive holding the Battery to the Display Assembly. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 30 Tools Required: Battery Absorber With the adhesive now loose, adhere the Battery Absorber to the center of the Battery, and pull the Battery up and off the Display Assembly. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 31 Disassembly Remove the Battery Tools Required: Ceramic Scissors Using the Ceramic Scissors, cut the lead from the Battery and return to Samsung per U-Class procedure. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.

  • Page 32: Keep In Mind

    Disassembly The device has now been disassembled We have covered the disassembly process of the Galaxy A02. At this point all removable components have been removed. Keep in mind: In a repair scenario, only remove as much as required for the repair •...
  • Page 33 Galaxy A02 Assembly: Putting it back together Galaxy A02 Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 34 Assembly of Galaxy A02 Putting it all back together In this section we will go over the assembly of the Galaxy A02. This guide will cover: • The tools and equipment needed • The steps of assembly So how does this help me? With this knowledge you will be able to completely assemble the Galaxy A02 to factory specifications.

  • Page 35: Tools And Equipment

    Tools and Equipment To ensure proper assembly without damage to the device, use the proper tools and equipment: Disassembly Stick Screwdriver Tweezers ESD Wrist Strap Grounded Mat Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 36 Tools and Equipment To ensure proper assembly without damage to the device, use the proper tools and equipment: New Screws Battery Press Pads Press Jig Service PC Calibration Chart Camera Holder Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 37 Parts on the Bracket • ‣ Vibrator Motor Parts on the Main PBA • ‣ Main Camera Main PBA • Sub PBA • Rear Case • Back Cover • Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.

  • Page 38: Torque Wrench

    Insert the device in the Press Jig and spin the torque wheel Battery Replacement • Pressing Time: 5 sec until it torques. Wait five (5) seconds before unspinning and GH81-14467A removing the device Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 39 Vibrator Motor, the Motor MUST be replaced. If the adhesive of the Vibrator Motor is worn out, attach new tape to the Vibrator Motor before installation. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 40 • Make sure that the Coax Cable is properly aligned inside of the groove in the NOTE: Display Assembly, and that the FPCB is aligned OVER the Coax Cable. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 41 Align the Rear Cameras with the Main PBA and connect two (2) flex cables to the back of the PBA and two (1) to the front of the Main PBA. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 42 Assembly Install the Main PBA Insert the Main PBA into the Display Assembly and ensure it lays flush. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 43 Lastly, connect the Battery flex connector to the Main PBA. NOTE: Make sure that the Coax Cable is properly aligned inside of the groove in the Display Assembly. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 44 Assembly Install the Rear Case Attach the top piece of the Rear Case by snapping it in place around all of the edges. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 45 Assembly Install the Rear Case Attach the bottom piece of the Rear Case by snapping it in place around all of the edges. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 46 Assembly Insert New Screws Tool Required: Screwdriver Insert 17 screws to secure the Rear Case pieces in place. Torque Specifications Torque Force: 1.3 kgf·㎠±0.07 Screwdriver Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 47 Back Cover in place. Make sure the Back Cover is properly aligned • There should be no gaps or overlaps between the • Display Assembly and Back Cover Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.

  • Page 48: Quality Control

    Galaxy A02 Quality Control: OQC and Calibrations Galaxy A02 Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 49 Galaxy Diagnostics - Calibrations Launch Galaxy Diagnostics and perform an outgoing quality control to ensure all components are functioning properly. Calibrations: Galaxy A02 requires the following calibrations: • Multi Camera Calibration Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 50 Updated with the most recent firmware build • State of charge to 100% • • Wiped clean using microfiber cloth to remove and fingerprints or debris Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.

  • Page 51: Additional Support

    Additional Support Contacting FSS Submit a ticket on Sprinklr using the URL for your location UBIF: http://spr.ly/UBIFSupport BBY: http://spr.ly/BBYSupport BPLUS: http://spr.ly/BPLUSSupport ISP: http://spr.ly/ISPSupport WIS: http://spr.ly/WISSupport APK: http://spr.ly/ApkudoSupport Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.

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