Introdução

Use this guide to replace the motherboard on your RIM BlackBerry 7290.

With your index finger, press down on the lock button to unlock the battery cover. Slide the battery cover down towards you to reveal the battery. Slide the battery cover down towards you to reveal the battery.
  • With your index finger, press down on the lock button to unlock the battery cover.

  • Slide the battery cover down towards you to reveal the battery.

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Use your index finger to lift and remove the battery from the phone. Use your index finger to lift and remove the battery from the phone. Use your index finger to lift and remove the battery from the phone.
  • Use your index finger to lift and remove the battery from the phone.

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Slide the SIM card holder to the left to unlock the SIM card.
  • Slide the SIM card holder to the left to unlock the SIM card.

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Lift the SIM card holder up. Gently remove the SIM card from the SIM card holder.
  • Lift the SIM card holder up.

  • Gently remove the SIM card from the SIM card holder.

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Remove the four top screws using a T-6 torx screwdriver.
  • Remove the four top screws using a T-6 torx screwdriver.

  • The top four screws are .413 inches.

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Remove the two bottom screws using a T-6 torx screwdriver. The bottom two screws are .2 inches in length.
  • Remove the two bottom screws using a T-6 torx screwdriver.

  • The bottom two screws are .2 inches in length.

  • The second picture displays the device after the six screws have been removed.

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Use the plastic opening tool to apply pressure on the two clips that are located at the bottom of the phone.
  • Use the plastic opening tool to apply pressure on the two clips that are located at the bottom of the phone.

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With both of the bottom clips unhooked, lift the bottom portion of the phone and slide it upwards (towards your fingers) to detach the back cover from the front cover. With both of the bottom clips unhooked, lift the bottom portion of the phone and slide it upwards (towards your fingers) to detach the back cover from the front cover. With both of the bottom clips unhooked, lift the bottom portion of the phone and slide it upwards (towards your fingers) to detach the back cover from the front cover.
  • With both of the bottom clips unhooked, lift the bottom portion of the phone and slide it upwards (towards your fingers) to detach the back cover from the front cover.

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Using a T-6 screwdriver, remove the screw located on top of the phone. After the screw has been removed, carefully lift the side button brace to reveal the side button.
  • Using a T-6 screwdriver, remove the screw located on top of the phone.

  • After the screw has been removed, carefully lift the side button brace to reveal the side button.

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To remove the logic board mounting plate, start by loosening one side of the phone.
  • To remove the logic board mounting plate, start by loosening one side of the phone.

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With one side loosened, simply lift the logic board mounting plate off of the phone's front cover.
  • With one side loosened, simply lift the logic board mounting plate off of the phone's front cover.

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Turn the logic board mounting plate over to reveal the LCD display.
  • Turn the logic board mounting plate over to reveal the LCD display.

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Peel off the rubber keypad buttons from the face plate. Peel off the rubber keypad buttons from the face plate.
  • Peel off the rubber keypad buttons from the face plate.

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Use a plastic opening tool to unhook the LCD display from the logic board mounting plate.
  • Use a plastic opening tool to unhook the LCD display from the logic board mounting plate.

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With the clip unhooked, gently pull off the LCD display from the phone. With the clip unhooked, gently pull off the LCD display from the phone.
  • With the clip unhooked, gently pull off the LCD display from the phone.

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Remove the the three screws that are highlighted in red using a T6 torx screwdriver. The screw is .2 inches in length.
  • Remove the the three screws that are highlighted in red using a T6 torx screwdriver.

  • The screw is .2 inches in length.

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Remove the screw using a T6 torx screwdriver
  • Remove the screw using a T6 torx screwdriver

  • The screw is .2 inches in length.

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Separate the logic board mounting plate from the logic board. Separate the logic board mounting plate from the logic board.
  • Separate the logic board mounting plate from the logic board.

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Conclusão

To reassemble your device, follow these instructions in reverse order.

2 outras pessoas concluíram este guia.

kmathew

Member since: 17-10-2009

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Equipe

Cal Poly, Team 19-6, Maness Fall 2009 Membro de Cal Poly, Team 19-6, Maness Fall 2009

CPSU-MANESS-F09S19G6

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hi wonder if you can help or give me advice on my device. its not turning on looks like it turns on with the hour glass turning but nothing happens

douwmg - Responder

my device doesn't want to switch on its just the hour glass on the screen that turns on the screen but its not turning on?

douwmg - Responder

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