Sony Alpha NEX-3N Mainboard Replacement

Remove battery and card

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.

Pop the flash.

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

Remove LCD hinge cover, by sliding to the left.

Remove back cover, actually just a plastic frame.

Remove 1 M1.4x2 screw

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

Loosen LCD assemble with caution!

Release FPC cable, the connector is flip type.

The LCD assembly

Remove 1 M1.4x2 screw

Lift the keypad.

Detach FPC

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

Slide the flash assembly backwards with caution.

Detach flash FPC by pulling it out of the socket.

Then remove the flash assembly.

Remove that part whatever called, by sliding it backwards.

1 ST1.7x5

2 ST1.7x5

1 M1.4x3.6 black

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 M1.4x2 black screws

with caution and patient.

1 M1.4x3.6

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)

Flip the Mainboard up

Pull out one more FPC

Discharge then desolder 4 wires.

Lift main board and plastic frame with flash capacitor.