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Sony Alpha NEX-3N Mainboard Replacement

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    1. Sony Alpha NEX-3N Mainboard Replacement, Getting Started: step 1, image 1 of 2 Sony Alpha NEX-3N Mainboard Replacement, Getting Started: step 1, image 2 of 2
      • Remove battery and card

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    2. Sony Alpha NEX-3N Mainboard Replacement, Back Case 1: step 2, image 1 of 3 Sony Alpha NEX-3N Mainboard Replacement, Back Case 1: step 2, image 2 of 3 Sony Alpha NEX-3N Mainboard Replacement, Back Case 1: step 2, image 3 of 3
      • 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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    3. Sony Alpha NEX-3N Mainboard Replacement, Back Case 2: step 3, image 1 of 1
      • Pop the flash.

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

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    4. Sony Alpha NEX-3N Mainboard Replacement, Back Case 3: step 4, image 1 of 3 Sony Alpha NEX-3N Mainboard Replacement, Back Case 3: step 4, image 2 of 3 Sony Alpha NEX-3N Mainboard Replacement, Back Case 3: step 4, image 3 of 3
      • Remove LCD hinge cover, by sliding to the left.

      • Remove back cover, actually just a plastic frame.

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    5. Sony Alpha NEX-3N Mainboard Replacement, LCD assembly: step 5, image 1 of 2 Sony Alpha NEX-3N Mainboard Replacement, LCD assembly: step 5, image 2 of 2
      • Remove 1 M1.4x2 screw

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

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    6. Sony Alpha NEX-3N Mainboard Replacement, LCD Assembly: step 6, image 1 of 3 Sony Alpha NEX-3N Mainboard Replacement, LCD Assembly: step 6, image 2 of 3 Sony Alpha NEX-3N Mainboard Replacement, LCD Assembly: step 6, image 3 of 3
      • 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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    7. Sony Alpha NEX-3N Mainboard Replacement, The LCD assembly: step 7, image 1 of 1
      • The LCD assembly

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    8. Sony Alpha NEX-3N Mainboard Replacement, Dismantle the LCD Part: step 8, image 1 of 3 Sony Alpha NEX-3N Mainboard Replacement, Dismantle the LCD Part: step 8, image 2 of 3 Sony Alpha NEX-3N Mainboard Replacement, Dismantle the LCD Part: step 8, image 3 of 3
      • After unscrew 4pcs screw you will remove the steel black plate, then slowly pull the black frame there to see the ribbon stripe.

      • Slowly pull the very fragile ribbon lock which i marking with the blue boxes. around just 1mm to unlock the ribbon.. unlucky i broke mine..

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    9. Sony Alpha NEX-3N Mainboard Replacement, Dismantle the LCD Part: step 9, image 1 of 3 Sony Alpha NEX-3N Mainboard Replacement, Dismantle the LCD Part: step 9, image 2 of 3 Sony Alpha NEX-3N Mainboard Replacement, Dismantle the LCD Part: step 9, image 3 of 3
      • you can see the ribbon already pull out but be carefull with the others 2 ribbon when your try to pull out this ribbon.

      • the the circle marker that show others ribbon you need to be carefull. goodluck!

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    1. Sony Alpha NEX-3N Mainboard Replacement, Keypad: step 10, image 1 of 3 Sony Alpha NEX-3N Mainboard Replacement, Keypad: step 10, image 2 of 3 Sony Alpha NEX-3N Mainboard Replacement, Keypad: step 10, image 3 of 3
      • Remove 1 M1.4x2 screw

      • Lift the keypad.

      • Detach FPC

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    1. Sony Alpha NEX-3N Mainboard Replacement, Screws: step 11, image 1 of 1
      • Remove 3 M1.4x3.6 black screws, 2 of them out of focus

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    2. Sony Alpha NEX-3N Mainboard Replacement: step 12, image 1 of 2 Sony Alpha NEX-3N Mainboard Replacement: step 12, image 2 of 2
      • 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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    3. Sony Alpha NEX-3N Mainboard Replacement: step 13, image 1 of 1
      • Remove that part whatever called, by sliding it backwards.

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    1. Sony Alpha NEX-3N Mainboard Replacement, Screws: step 14, image 1 of 3 Sony Alpha NEX-3N Mainboard Replacement, Screws: step 14, image 2 of 3 Sony Alpha NEX-3N Mainboard Replacement, Screws: step 14, image 3 of 3
      • 1 ST1.7x5

      • 2 ST1.7x5

      • 1 M1.4x3.6 black

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    2. Sony Alpha NEX-3N Mainboard Replacement, The Grip: step 15, image 1 of 2 Sony Alpha NEX-3N Mainboard Replacement, The Grip: step 15, image 2 of 2
      • 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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    3. Sony Alpha NEX-3N Mainboard Replacement, More Screws: step 16, image 1 of 1
      • Remove 2 M1.4x2 black screws

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    4. Sony Alpha NEX-3N Mainboard Replacement, Pop the Shielding Cover: step 17, image 1 of 2 Sony Alpha NEX-3N Mainboard Replacement, Pop the Shielding Cover: step 17, image 2 of 2
      • with caution and patient.

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    5. Sony Alpha NEX-3N Mainboard Replacement, One More Shield: step 18, image 1 of 3 Sony Alpha NEX-3N Mainboard Replacement, One More Shield: step 18, image 2 of 3 Sony Alpha NEX-3N Mainboard Replacement, One More Shield: step 18, image 3 of 3
      • 1 M1.4x3.6

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    6. Sony Alpha NEX-3N Mainboard Replacement, Detach 7000 FPCs: step 19, image 1 of 1
      • 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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    7. Sony Alpha NEX-3N Mainboard Replacement: step 20, image 1 of 1
      • Flip the Mainboard up

      • Pull out one more FPC

      • Discharge then desolder 4 wires.

      • CAUTION! Possible high DC voltage >300V

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    8. Sony Alpha NEX-3N Mainboard Replacement: step 21, image 1 of 1
      • Lift main board and plastic frame with flash capacitor.

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Conclusion

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

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Terrance

Member since: 11/17/09

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