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Samsung Tab A 8.4 Repair Manual
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Samsung Tab A 8.4 Repair Manual

Samsung Tab A 8.4 Repair Manual

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Tab A 8.4 Repair Guide
SM-T307

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Summary of Contents for Samsung Tab A 8.4

  • Page 1 Tab A 8.4 Repair Guide SM-T307...
  • Page 2 • Disassembly of the Tab A 8.4 • Assembly of the Tab A 8.4 So how does this help me? This guide will help you perform quality repairs on the Galaxy Tab A 8.4. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 3 Galaxy Tab A 8.4 Parts Removable Parts of the SM-T307 Galaxy Tab A 8.4 Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 4 The parts include: • LCD • Bracket • Main PBA • Sub PBA • Components • Battery • Back Cover Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 5 The LCD is bonded to Bracket with adhesive and can only be removed by using heat. NOTE: If any of the above fail to function or are damaged, they need to be replaced. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 6 Galaxy Tab A 8.4 Bracket All parts and components connect to the Bracket. NOTE: If any of the above fail to function or are damaged, they need to be replaced. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 7 It contains: The Main Antenna • NOTE: If any of the above fail to function or are damaged, they need to be replaced. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 8 There are a few smaller components that can also be removed such as: Front Facing SIM/SD Port Rear Camera Left Speaker Right Speaker Camera NOTE: If any of the above fail to function or are damaged, they need to be replaced. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 9 Back Front • Built in Storage • Earphone Jack • Speaker AMP NOTE: If any of the above fail to function or are damaged, they need to be replaced. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 10 Front Back • I/F Connector (Charging port) NOTE: If any of the above fail to function or are damaged, they need to be replaced. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 11 • When handling the Battery, be careful not to puncture or damage the battery NOTE: If any of the above fail to function or are damaged, they need to be replaced. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 12 Galaxy Tab A 8.4 Disassembly SM-T307 tear-down guide Galaxy Tab A 8.4 Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 13 • 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 Tab A 8.4. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 14 ESD Gloves Tablet AOD NOTE: The terms “Tweezers” and “Plastic Tipped ESD Tweezers” are used interchangeably throughout this training. Use ONLY Plastic Tipped ESD Tweezers when performing device repair. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 15 Steps of Disassembly • Back Cover • SIM/SD Port • Main PBA o Main Camera o Front Facing Camera • Speakers • Sub PBA • Battery • LCD (OCTA) Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 16 Before disassembling the device, the SIM tray must be removed. Insert the SIM removal tool into the SIM eject • slot on the top of the device and slide the SIM tray out Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 17 Use a disassembly stick and go in between the back cover and the Bracket and move the disassembly stick all around the edge to completely disconnect the back cover. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 18 The image to the right displays the internal components and circuitry of the Galaxy Tab A 8.4. Before you begin to disassemble, ensure you and your work station are properly grounded. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 19 • Disconnect the battery flex cable • Disconnect the 1 flex cables • Using a torque driver remove 1 screw Then lift the tray from the front assembly • Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 20 ESD mat. Using a disassembly stick disconnect the flex • cable and remove the Rear Camera. Once it is removed place the Rear Camera lens up on the ESD mat. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 21 Disassembly of the Galaxy Tab A 8.4 Disconnecting the Flex Cables from the Main PBA Using the Disassembly Stick: • Disconnect the 2 flex cables • Disconnect 1 COAX Cables Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 22 Galaxy Tab A 8.4 Removing the Main PBA Using a torque screw driver: • Remove black screws • Remove silver screws NOTE: The silver and black screws are different lengths. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 23 Disassembly of the Galaxy Tab A 8.4 Removing the Main PBA Using a disassembly stick gently remove the Main PBA from the bracket. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 24 Using a torque driver remove the 4 screws (2 in each speaker). Using tweezers lift each speaker away from the • bracket. The entry point on each speaker is labeled with an arrow. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 25 PBA and set the cable to the side on the ESD mat. • Disconnect the Coax and gently remove if from the bracket and place it on the ESD mat. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 26 Disassembly of the Galaxy Tab A 8.4 Remove the USB PBA To remove the USB PBA: • Using a torque driver remove screws. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 27 Disassembly of the Galaxy Tab A 8.4 Remove the USB PBA To remove the USB PBA: • Using a disassembly stick gently lift the USB PBA from the bracket. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 28 2. Lift the battery out using the battery by pulling up on the tab on the battery 3. Remove all tape residue from back of battery and on the bracket Be careful to not damage LCD FPBC Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 29 Do not hold the battery by flex connector, as this can accidentally short the leads When handling the battery be careful not to • puncture or damage the battery Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 30 If replacing the battery, the following must be performed before properly discarding the battery: Using the Ceramic Scissors, cut the lead from • the battery o The lead gets sent back as U-Class Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 31 If the battery is charged less than 68%, heat to 70°C for 5 minutes o Do NOT heat if the battery is over 80% charged • Set the AOD lower to 60°C for 5 minutes Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 32 • One the AOD vacuum reaches 80 or higher, press OCTA • The AOD will heat the device for the set amount of time and begin lifting Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 33 Once the LCD is removed from the bracket remove the • tape residue from the edges of the LCD. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 34 Galaxy Tab A 8.4 Assembly SM-T307 assembly guide Galaxy Tab A 8.4 Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 35 Assembly of the Galaxy Tab A 8.4 Putting it all back together In this section we will go over the assembly of the Galaxy Tab A 8.4. This guide will cover: • The tools and equipment needed • The steps of disassembly...
  • Page 36 To ensure proper assembly without damage to the device, use the proper tools and equipment: Tweezers Disassembly Stick Torque Driver Anti-static Gloves Anti-static Mat Press Jig Tablet press pads Battery press pads Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 37 TAPE T TAPE BATTERY TOP GH02-20194A All screws removed during TAPE T TAPE BATTERY BTM GH02-20286A disassembly must be replaced. TAPE T TAPE BATTERY SIDE GH02-20195A BATTERY RUBBER GH02-18647A Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 38 TAPE MAINE WINDOW L GH02-20061A All screws removed during TAPE MAIN WINDOW R GH02-20062A disassembly must be replaced. TAPE MAIN WINDOW TOP GH02-20505A TAPE MAIN WINDOW BTM GH02-20060A Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 39 You will assemble the device in the following order: • LCD • Bracket o Battery • Sub PBA • Speakers • Main PBA o Main Camera o Front Camera • SIM/SD Tray • Back Cover Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 40 To attach the LCD to the Bracket: • Lay the 4 different window tapes down onto the Bracket and then once they are smoothed out remove the protective vinyl. (See slide 38) Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 41 LCD FCPB goes through the its designated slot on the bracket and lay it down • After the LCD is laid flush onto the Bracket press firmly with your fingers around the edges Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 42 1 minute with 1N of force • Then Flip it around to press the part of the tablet that didn’t get pressed for 1 minute with 1N of force Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 43 To install the battery: • Attach the 4 battery tapes onto the Bracket (See slide 37) • Once the tapes are applied and smoothed out remove the protective blue film Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 44 Galaxy Tab A 8.4 Install the Battery To install the battery: • Attach the Battery rubber onto the back of the battery • Once attached remove the blue film Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 45 • Using the battery pads ( One on the bottom and one top of the battery) and press jig press the battery for 5 seconds at 0.6N of force Battery Side LCD Side Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 46 Assembly of the Galaxy Tab A 8.4 Install the Sub PBA To install the Sub PBA: • Place the SUB PBA onto the Bracket • Install 2 new screws at 1.25kgf.cm2 Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 47 Main FCPB to the SUB PBA • Connect the Coax to SUB PBA ANT and align into the bracket and be gentle because the coax cable can be easily damaged. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 48 Install the Speakers To install the Speakers: • Snap the right speaker and left speaker onto the Bracket and insert 2 new screws into each using a torque driver Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 49 • Connect the Coax cable • Insert new black screws and new silver screws o Use Torque screw driver at 1.25kgf.cm2 NOTE: DO NOT connect battery FPCB at this time Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 50 Main NOTE: The Rear Camera part is in pairs, so if you replace on Rear Camera module you have to replace the other Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 51 • Align the SIM/SD Tray onto the Bracket • Insert 1 new black screw using a torque driver • Connect the flex cable onto the Main PBA • Connect the Battery FCPB to the Main PBA Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 52 Install the Back Cover To install the Back Cover perform the following: • Align the Back cover over the Bracket and snap it into place by firmly pushing all around the edges Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 53 Once the device is fully assembled: • Make sure the SIM tray is reinstalled • Perform a final visual inspection of the device Once the repair is complete, perform an Outbound Quality Check. Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.
  • Page 54 Thank you Confidential Property of Samsung Electronics America, Inc. For Internal Use Only.

This manual is also suitable for:

Sm-t307