Difficulty

Very difficult

Steps

19

Time Required

                          2 hours

Sections

4

  • LCD assembly
  • 7 steps
  • Keypad
  • 1 step
  • Flash Assembly
  • 3 steps
  • Mainboard
  • 8 steps

Flags

3

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  • BackSony Alpha NEX-3N

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What you need

Step 1

              Getting Started
  • Remove battery and card

Remove battery and card

1024

Step 2

              Back Case 1
  • Right side, remove 1 M1.4x3.7 screw
  • Left side, remove 3 M1.4x3.7 screws
  • Bottom side, remove 5 M1.4x3.7 screws, including 2 in battery bay. 2 of them out of this photo, you can find them.
  • Do NOT touch screws on the bottom of LCD assembly.

Right side, remove 1 M1.4x3.7 screw

Left side, remove 3 M1.4x3.7 screws

Bottom side, remove 5 M1.4x3.7 screws, including 2 in battery bay. 2 of them out of this photo, you can find them.

Do NOT touch screws on the bottom of LCD assembly.

Step 3

              Back Case 2
  • Pop the flash.
  • In flash room, remove 1 (one) M1.4x3.8 black screw.

Pop the flash.

In flash room, remove 1 (one) M1.4x3.8 black screw.

Step 4

              Back Case 3
  • Remove LCD hinge cover, by sliding to the left.
  • Remove back cover, actually just a plastic frame.

Remove LCD hinge cover, by sliding to the left.

Remove back cover, actually just a plastic frame.

Step 5

              LCD assembly
  • Remove 1 M1.4x2 screw
  • Remove another M1.4x2 screw, sorry for the angle.

Remove 1 M1.4x2 screw

Remove another M1.4x2 screw, sorry for the angle.

Step 6

              LCD Assembly
  • CAUTION. Sony makes world’s MOST BRITTLE FPC!
  • Loosen LCD assemble with caution!
  • Release FPC cable, the connector is flip type.

CAUTION. Sony makes world’s MOST BRITTLE FPC!

Loosen LCD assemble with caution!

Release FPC cable, the connector is flip type.

Step 7

              The LCD assembly
  • The LCD assembly

The LCD assembly

Step 8

              Keypad
  • Remove 1 M1.4x2 screw
  • Lift the keypad.
  • Detach FPC

Lift the keypad.

Detach FPC

Step 9

              Screws
  • Remove 3 M1.4x3.6 black screws, 2 of them out of focus

Remove 3 M1.4x3.6 black screws, 2 of them out of focus

Step 10

  • Slide the flash assembly backwards with caution.
  • Detach flash FPC by pulling it out of the socket.
  • High Voltage! Do NOT touch metal on FPC.
  • Then remove the flash assembly.

Slide the flash assembly backwards with caution.

Detach flash FPC by pulling it out of the socket.

High Voltage! Do NOT touch metal on FPC.

Then remove the flash assembly.

Step 11

  • Remove that part whatever called, by sliding it backwards.

Remove that part whatever called, by sliding it backwards.

Step 12

              Screws
  • 1 ST1.7x5
  • 2 ST1.7x5
  • 1 M1.4x3.6 black

1 ST1.7x5

2 ST1.7x5

1 M1.4x3.6 black

Step 13

              The Grip
  • Remove 2 ST1.7x5 screws from inside the battery bay. (one of them not shown, deeper inside) insert screw driver through a hole in the shielding cover.
  • Pop the grip off. From back, push to the right, then it flies forward.

Remove 2 ST1.7x5 screws from inside the battery bay. (one of them not shown, deeper inside) insert screw driver through a hole in the shielding cover.

Pop the grip off. From back, push to the right, then it flies forward.

Step 14

              More Screws
  • Remove 2 M1.4x2 black screws

Remove 2 M1.4x2 black screws

Step 15

              Pop the Shielding Cover
  • with caution and patient.

with caution and patient.

Step 16

              One More Shield
  • 1 M1.4x3.6

1 M1.4x3.6

Step 17

              Detach 7000 FPCs
  • Sensor power, flip
  • Sensor signal, flip
  • Shutter, pull
  • Lens contacts, pull. Did I mention that Sony makes world’s most brittle FPC?
  • Whatever, pull
  • Whatever, pull
  • Shutter charger motor FPC, (backside, pull out)

Sensor power, flip

Sensor signal, flip

Shutter, pull

Lens contacts, pull. Did I mention that Sony makes world’s most brittle FPC?

Whatever, pull

Shutter charger motor FPC, (backside, pull out)

Step 18

  • Flip the Mainboard up
  • Pull out one more FPC
  • Discharge then desolder 4 wires.
  • CAUTION! Possible high DC voltage >300V

Flip the Mainboard up

Pull out one more FPC

Discharge then desolder 4 wires.

CAUTION! Possible high DC voltage >300V

Step 19

  • Lift main board and plastic frame with flash capacitor.

Lift main board and plastic frame with flash capacitor.

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

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Author

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                    Terrance

Member since: 11/17/2009

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