Sony Alpha NEX-3N Lens Release Button Replacement

Written By: Terrance
  • Comments: 0
Sony Alpha NEX-3N Lens Release Button Replacement

Difficulty

Very difficult

Steps

31

Time Required

3 hours

Introduction

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    • Remove battery and card

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    • 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.

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    • Pop the flash.

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

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    • Remove LCD hinge cover, by sliding to the left.

    • Remove back cover, actually just a plastic frame.

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    • Remove 1 M1.4x2 screw

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

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    • CAUTION. Sony makes world's MOST BRITTLE FPC!

    • Loosen LCD assemble with caution!

    • Release FPC cable, the connector is flip type.

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    • The LCD assembly

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    • Remove 1 M1.4x2 screw

    • Lift the keypad.

    • Detach FPC

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

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    • 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.

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

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    • 1 ST1.7x5

    • 2 ST1.7x5

    • 1 M1.4x3.6 black

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    • 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.

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    • Remove 2 M1.4x2 black screws

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    • with caution and patient.

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    • 1 M1.4x3.6

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    • 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)

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    • Flip the Mainboard up

    • Pull out one more FPC

    • Discharge then desolder 4 wires.

    • CAUTION! Possible high DC voltage >300V

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    • Lift main board and plastic frame with flash capacitor.

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    • Detach sensor Power (L)and Signal(R) FPC

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    • Remove 3-4 ST1.7x5 screws

    • Remove 1 M1.4x5 screw

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    • Remove 4 ST1.7x5 screws for the E-Mount

    • Remove mount metal ring

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    • Remove mount metal ring

    • Remove mount plastic ring

    • remove mount spring ring

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    • Sensor + Shutter assembly comes off

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    • Separate sensor + shutter from another frame

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    • Remove 3 ST1.7x5 screws

    • Remove sensor shield / heat sink. Sensor PCBA might sticks to the shield, just separate them.

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    • Remove sensor. the shutter assembly comes off.

    • Careful with 3 tiny spacers. Do NOT lose them.

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    • Separate Shutter assembly form the mount body.

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    • Remove 1 screw (from the "Front" side)

    • Separate shutter curtain (Photo 3) from charging motor (not shown).

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    • Yes, replacing this little innocent part needs 3+ hours!

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    • After removing the mount+shutter+sensor, it appears.

Conclusion

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

Author

Terrance

Member since: 18/11/09

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