Dji Phantom 4 Advanced Ultrasonic Sensor Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          45 minutes - 2 hours

Sections

Propeller
1 step
Shell
10 steps
Ultrasonic Sensor
2 steps

Flags

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Introduction

What you need

Step 1

              Propeller

Use your finger tips to pinch the damaged propeller.
Twist the propeller counterclockwise and pull up to remove.

Use your finger tips to pinch the damaged propeller.

Twist the propeller counterclockwise and pull up to remove.

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Step 2

              Shell

Remove the eight 7 mm hex screws by turning counterclockwise with a 2 mm hex bit.

Remove the eight 7 mm hex screws by turning counterclockwise with a 2 mm hex bit.

Step 3

Pry the LED motor covers off with a metal spudger.
The prying location is marked by an indent that points outward from the arm.

Pry the LED motor covers off with a metal spudger.

The prying location is marked by an indent that points outward from the arm.

Step 4

Pry the paper covering off the four corners with a metal spudger.

Pry the paper covering off the four corners with a metal spudger.

Step 5

Remove the twelve 8.7 mm hex screws with a 2 mm hex bit from the motor bases.

Remove the twelve 8.7 mm hex screws with a 2 mm hex bit from the motor bases.

Step 6

Flip the drone on its back
Remove the eight 4.5 mm hex screws by turning them counterclockwise with a 1.5 mm hex bit.
Separate the mesh from the drone by pulling up gently and rocking left to right.
The cable connects from the camera to the drone. Pulling up could rip the connection. Tilt the mesh 90 degrees towards the cable.

Flip the drone on its back

Remove the eight 4.5 mm hex screws by turning them counterclockwise with a 1.5 mm hex bit.

Separate the mesh from the drone by pulling up gently and rocking left to right.

The cable connects from the camera to the drone. Pulling up could rip the connection. Tilt the mesh 90 degrees towards the cable.

Step 7

Remove two 1.2mm screws using the JIS #000 bit from the camera cable retaining bracket.

Remove two 1.2mm screws using the JIS #000 bit from the camera cable retaining bracket.

Step 8

Lift the camera connector at one end with your hand and remove the mesh.

Lift the camera connector at one end with your hand and remove the mesh.

Step 9

Remove the two 1.2 mm screws using a JIS #000 bit from the antenna retaining bracket.
Pull the four U.FL antennae up.
The U.FL antenna connectors are fragile.
Remove the two 4 mm screws using a JIS #000 bit.

Remove the two 1.2 mm screws using a JIS #000 bit from the antenna retaining bracket.

Pull the four U.FL antennae up.

The U.FL antenna connectors are fragile.

Remove the two 4 mm screws using a JIS #000 bit.

Step 10

Pry apart the clamshell at the motor end.
Separate the clamshell.
Two wires connect from the lower frame to the upper frame at the front of the drone. Pulling the clamshell apart hard may damage the connectors and wires.

Pry apart the clamshell at the motor end.

Separate the clamshell.

Two wires connect from the lower frame to the upper frame at the front of the drone. Pulling the clamshell apart hard may damage the connectors and wires.

Step 11

Press the connector tabs with a spudger and pull on the wire simultaneously.
Remove the shell from the rest of the drone.

Press the connector tabs with a spudger and pull on the wire simultaneously.

Remove the shell from the rest of the drone.

Step 12

              Ultrasonic Sensor

Remove the three 2.8 mm screws with a JIS #000 screwdriver.
The screw on the back of the ultrasonic sensor is covered by foam.

Remove the three 2.8 mm screws with a JIS #000 screwdriver.

The screw on the back of the ultrasonic sensor is covered by foam.

Step 13

Pry the ribbon cable off the ultrasonic sensor using a plastic opening tool.

Pry the ribbon cable off the ultrasonic sensor using a plastic opening tool.

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

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                    David Hudson

Member since: 10/08/2018

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Team

                       Cal Poly, Team S15-G6, White Fall 2018                        

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Introduction#

What you need#

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Introduction

What you need

Team