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.
  • 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.

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  • 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.

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  • 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.

  • 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.

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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.

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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.

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  • 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.

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  • 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.

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  • 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.

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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.

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  • 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.

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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

5 Membros

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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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