Difficulty

Moderate

Steps

17

Time Required

                          30 - 40 minutes

Sections

3

  • Battery
  • 4 steps
  • Touch Screen
  • 7 steps
  • Motherboard
  • 6 steps

Flags

5

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  • BackCasio Cassiopeia E-125

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What you need

Step 1

              Battery
  • Flip the device over to the back side.

Flip the device over to the back side.

1024

Step 2

  • Slide the small switch on the back to “MAIN”.

Slide the small switch on the back to “MAIN”.

Step 3

  • Slide the battery cover downwards.
  • Pull off the battery cover.

Slide the battery cover downwards.

Pull off the battery cover.

Step 4

  • Pull the black tab to remove the battery.

Pull the black tab to remove the battery.

Step 5

              Touch Screen
  • Use the Phillips #00 screwdriver to remove the two screws near the top of the device.

Use the Phillips #00 screwdriver to remove the two screws near the top of the device.

Step 6

  • Use the Phillips #00 screwdriver to remove the two screws located inside the battery compartment.

Use the Phillips #00 screwdriver to remove the two screws located inside the battery compartment.

Step 7

  • Use a spudger or opening tool to separate the two halves of the case.

Use a spudger or opening tool to separate the two halves of the case.

Step 8

  • Pry the two halves of the case apart with the opening tool.

Pry the two halves of the case apart with the opening tool.

Step 9

  • Potential for device damage. Do not pull apart the wires connecting the outer case.
  • Lay the two halves of the outer case next to the central components as shown.

Potential for device damage. Do not pull apart the wires connecting the outer case.

Lay the two halves of the outer case next to the central components as shown.

Step 10

  • Use the Philips #00 screwdriver to remove the three screws in the corners of the screen.

Use the Philips #00 screwdriver to remove the three screws in the corners of the screen.

Step 11

  • Lift the tab on the motherboard and pull out the ribbon cable.
  • After the ribbon cable is detached from the motherboard, the touch screen is completely separated from the device.

Lift the tab on the motherboard and pull out the ribbon cable.

After the ribbon cable is detached from the motherboard, the touch screen is completely separated from the device.

Step 12

              Motherboard
  • Locate the small grey ribbon cable towards the bottom of the device. It should be located above the battery slot. Pinch both sides of the ribbon cable and pull it out.

Locate the small grey ribbon cable towards the bottom of the device. It should be located above the battery slot. Pinch both sides of the ribbon cable and pull it out.

Step 13

  • Locate the multicolored wire on the motherboard near the battery compartment. Pull on the wire by the base and lift to remove.

Locate the multicolored wire on the motherboard near the battery compartment. Pull on the wire by the base and lift to remove.

Step 14

  • Use the Phillips #00 Screwdriver to remove the two screws from the green circuit board on the back case.

Use the Phillips #00 Screwdriver to remove the two screws from the green circuit board on the back case.

Step 15

  • Remove the the three screws on the motherboard that are shown using the Phillips #00 Screwdriver.

Remove the the three screws on the motherboard that are shown using the Phillips #00 Screwdriver.

Step 16

  • Caution: do not break ribbon cables from the motherboard because this may cause damage to your device.
  • Flip the motherboard towards the front cover to expose the ribbon cables underneath.

Caution: do not break ribbon cables from the motherboard because this may cause damage to your device.

Flip the motherboard towards the front cover to expose the ribbon cables underneath.

Step 17

  • Locate the two ribbon cables on the motherboard. Select one to remove first and then pinch either side of it and pull out to remove the ribbon cable. Do the same for the second.

Locate the two ribbon cables on the motherboard. Select one to remove first and then pinch either side of it and pull out to remove the ribbon cable. Do the same for the second.

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

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                    Ryan Fernandez

Member since: 04/03/2012

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Team

                       Cal Poly, Team 5-4, Forte Spring 2012                        

                                                  Member of Cal Poly, Team 5-4, Forte Spring 2012 



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