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====== Naked Action 4 DIY Manual ======

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===== General Information =====



===== Content of Shipment =====
  * Naked Action 4 Kit

===== Tools needed =====
  * Soldering Iron
  * Solder
  * PH0 Screwdriver
  * M2 Screwdriver
  * Cutter Knife
  * Pliers
  * Tweezers
  * HotAir Gun
  * Plastic Spudge

===== Safety information =====

===== Preparation =====
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  * Start by adding the battery to the camera and powering it on.
  * Download the latest app onto your device and connect it to the camera.
  * Update your camera to the latest available firmware.
  * Test your camera's functionality before proceeding with disassembly.

===== Disassembly Steps =====

==== Step - Remove the Display ====
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  * Remove the battery from the camera.
  * Use a cutter knife to slide along the seam of the back display. Adding heat with a heat gun can make this step easier.
  * Gently lift the display from the main body of the camera. The flat ribbon cable connecting the back display to the motherboard is still connected.

==== Step - Remove the Battery Bay ====
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  * Remove the tape covering the screws in the battery bay. Alternatively, you can poke holes with a screwdriver to access the screws.
  * Use a PH0 screwdriver to remove the three screws from the battery bay.
  * Lift and remove the battery bay.

==== Step - Disconnect Ribbon Cables ====
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  * Remove all flat ribbon cables from the motherboard. These connectors are secured with hot glue.
  * Heat the glue with a hot air gun and remove it carefully with a plastic tool.
  * Gently lift the connectors with a plastic tool to unplug them. Repeat for all five connectors.

==== Step - Remove USB Port and LED ====
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  * Use a PH0 screwdriver to remove the two screws from the USB port. Lift the USB port with tweezers.
  * Remove the two screws from the back LED on top of the lens with a PH0 screwdriver.   
  * Fold up the latch to access the spring and remove it with pliers.

==== Step - Remove Lens ====
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  * Remove the single screw in the top left corner with a PH0 screwdriver. Pull up the heatsink with the LED flex cable.
  * Remove the two screws from the metal cable clip holding the lens cable connector.   
  * Unplug the lens ribbon cable with a plastic tool.
  * Remove the four screws holding the lens in place with a PH0 screwdriver and lift the lens assembly.

==== Step - Disassemble Mainboard ====
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  * Remove the top button cable connector with a plastic tool, heating the parts if necessary.
  * Remove the two black screws holding the motherboard with a PH0 screwdriver. Pry out the motherboard with a plastic tool.
  * Remove the three silver screws holding the motherboard holder with a PH0 screwdriver.
  * Unscrew the lens protector on the front side.

==== Step - Remove the Motherboard Holder ====
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  * Pry out the motherboard holder using pliers, heating the case to ease removal.
  * Break off the two noses from the motherboard holder as they are too long for the naked version.

==== Step - Front Display ====
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  * Heat the front display and press it out towards the front using the provided 3D-printed square tool.

===== Assembly Steps =====

==== Step - Install Thread Inserts ====
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  * Press the thread inserts into the outer side of the naked case using a clean soldering iron set to 220°C.
  * Use 3x M2*4mm and 1x M2*3mm thread inserts, placing the 3mm insert in the marked position.

==== Step - Install Front Display ====
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  * Glue the front display in place with 2K epoxy. Wait for the epoxy to cure.

==== Step - Attach ND Filter Adapter ====
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  * Screw the aluminum ND filter adapter to the motherboard holder. 

==== Step - Assemble Main Components ====
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  * Place the motherboard holder into the naked action 4 front case and secure it with the three silver screws.
  * Screw an M1.6*6 screw through the top right hole and secure it with an M1.6 nut inside for additional strength.
  * Install the mainboard with the two black screws.
  * Install the lens and secure it with four lens screws.
  * Attach an ND filter to protect the lens during installation.

==== Step - Connect Cables ====
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  * Connect the lens cable and front display cable to the mainboard. Ensure correct alignment before applying force.
  

==== Step - Install BEC Cable and Cooling Fan ====
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  * Attach the bracket on top of the lens cable connector with the two screws.
  * Pry out the Naked Action 4 BEC cable from the foil and connect the three connectors to the motherboard.
  * Attach the cooling fan to the back case with M2*5 screws using an M2 hex tool.

==== Step - Final Assembly ====
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  * Solder the fan's voltage and ground cables to the BEC's pre-tinned 5V and GND pads.
  * Connect the BEC flex cable to the BEC.
  * Place the BEC into the back case and screw the front and back cases together using 4x M1.6*8, 1x M1.6*12, and 1x M1.6*16 screws with a PH0 screwdriver. The longest 16mm screw goes in the top left corner, the 12mm screw in the bottom left, and the 8mm screws in the remaining holes.