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Introduzione

The Hubsan X4 107L is a rugged, entry level quadcopter ideal for RC amateurs learning to fly. This is a complete teardown guide for the X4.

  1. Hubsan X4 107L Flight Controller Replacement, Disconnect and Remove Battery: passo 1, immagine 1 di 3 Hubsan X4 107L Flight Controller Replacement, Disconnect and Remove Battery: passo 1, immagine 2 di 3 Hubsan X4 107L Flight Controller Replacement, Disconnect and Remove Battery: passo 1, immagine 3 di 3
    • Firmly grasp both sides of the battery connector and pull them apart.

    • Grip the battery and slide it out of the quadcopter body.

    • Do not pull on the wires. This could damage the battery or flight controller.

  2. Hubsan X4 107L Flight Controller Replacement, Remove Shock Absorbers: passo 2, immagine 1 di 3 Hubsan X4 107L Flight Controller Replacement, Remove Shock Absorbers: passo 2, immagine 2 di 3 Hubsan X4 107L Flight Controller Replacement, Remove Shock Absorbers: passo 2, immagine 3 di 3
    • Orient the quadcopter so the propellers are on the bottom.

    • Remove the rubber shock absorbers from the motor mounts by hand.

  3. Hubsan X4 107L Flight Controller Replacement, Remove Propellers: passo 3, immagine 1 di 3 Hubsan X4 107L Flight Controller Replacement, Remove Propellers: passo 3, immagine 2 di 3 Hubsan X4 107L Flight Controller Replacement, Remove Propellers: passo 3, immagine 3 di 3
    • Use the prop removal tool to pry the propellers off the motors.

    • Each propeller and motor arm is labeled either "A" or "B" corresponding to whether the motor spins clockwise or counterclockwise. With the quad oriented with the front facing towards you:

    • "A" propellers are on the front left and back right motors.

    • "B" propellers are on the front right and back left motors.

  4. Hubsan X4 107L Flight Controller Replacement, Remove Aftermarket Fasteners: passo 4, immagine 1 di 1
    • Use the wire cutter to remove any customized or aftermarket modifications holding the body together.

  5. Hubsan X4 107L Flight Controller Replacement, Remove PH000 Screws: passo 5, immagine 1 di 3 Hubsan X4 107L Flight Controller Replacement, Remove PH000 Screws: passo 5, immagine 2 di 3 Hubsan X4 107L Flight Controller Replacement, Remove PH000 Screws: passo 5, immagine 3 di 3
    • Use a Phillips #000 screwdriver to remove the three screws securing the lower body to the frame.

  6. Hubsan X4 107L Flight Controller Replacement, Snap Lower Body Out of Place: passo 6, immagine 1 di 3 Hubsan X4 107L Flight Controller Replacement, Snap Lower Body Out of Place: passo 6, immagine 2 di 3 Hubsan X4 107L Flight Controller Replacement, Snap Lower Body Out of Place: passo 6, immagine 3 di 3
    • Carefully apply upward pressure on one of the motor arms while bending the body downwards to snap the lower body armpice out of place.

    • Repeat this step for all four arms. The lower body will separate from the main frame after snapping the fourth arm out of place.

    • You may need to bend the arm quite a bit to snap it out. This is a durability feature that allows the X4 to "crumple" in a crash without breaking.

    • Use a soldering iron and solder wick to desolder the four motors from the control board.

    • If the connection holds even after removing the solder from the joint, gently pull up on the wire while applying heat to the joint until the wire separates from the PCB.

    • The motor wires are in either black-white or red-blue pairs.

    • CAUTION: Overheating the PCB can damage the traces, making it difficult or impossible to reconnect the components later on. Do not apply too much heat to the board; these traces are especially delicate due to their small size.

    • Using a technique similar to desoldering the motor wires, disconnect the LEDs from the control board.

    • The LED connections use less solder than the motor joints, so solder wick is optional but not required for this step.

    • When reassembling the quadcopter, remember the LED's have red positive leads and bronze negative leads.

  7. Hubsan X4 107L Flight Controller Replacement, Unthread the Wires from the Frame: passo 9, immagine 1 di 3 Hubsan X4 107L Flight Controller Replacement, Unthread the Wires from the Frame: passo 9, immagine 2 di 3 Hubsan X4 107L Flight Controller Replacement, Unthread the Wires from the Frame: passo 9, immagine 3 di 3
    • Use the tweezers to unthread the motor and LED wires from the quadcopter arms.

    • After unthreading all eight bundles of wires, the LEDs and motors are ready to remove.

  8. Hubsan X4 107L Flight Controller Replacement, Remove Motors: passo 10, immagine 1 di 3 Hubsan X4 107L Flight Controller Replacement, Remove Motors: passo 10, immagine 2 di 3 Hubsan X4 107L Flight Controller Replacement, Remove Motors: passo 10, immagine 3 di 3
    • Use the tweezers to push the motors out of their housings.

    • Both the motor mounts and motors themselves have a small size variance. If it's difficult to push a motor out, ensure the wires are not caught on the frame and gently apply more force from the bottom until the motor begins to slide.

    • Once the motor is mostly out of the motor mount, grip it from the top and pull it straight out.

  9. Hubsan X4 107L Flight Controller Replacement, Remove LEDs: passo 11, immagine 1 di 3 Hubsan X4 107L Flight Controller Replacement, Remove LEDs: passo 11, immagine 2 di 3 Hubsan X4 107L Flight Controller Replacement, Remove LEDs: passo 11, immagine 3 di 3
    • Remove the LEDs using the spudger to widen their housing and nudge them up.

    • To free an LED from its housing, insert the spudger into the top section of the gap in the plastic revealing the side of the LED.

    • Simultaneously twist the spudger to widen the housing while pushing the LED up and out of the frame.

  10. Hubsan X4 107L Flight Controller Replacement, Check out the LEDs: passo 12, immagine 1 di 2 Hubsan X4 107L Flight Controller Replacement, Check out the LEDs: passo 12, immagine 2 di 2
    • Unlike the motors which had colored wiring to differentiate between CW and CCW spin, both the blue and red LEDs have a red positive leads and a bronze negative lead. Upon closer inspection, it looks like the heat shrink on the postive lead matches the LED color.

  11. Hubsan X4 107L Flight Controller Replacement, Remove Flight Controller: passo 13, immagine 1 di 3 Hubsan X4 107L Flight Controller Replacement, Remove Flight Controller: passo 13, immagine 2 di 3 Hubsan X4 107L Flight Controller Replacement, Remove Flight Controller: passo 13, immagine 3 di 3
    • Use the PH000 driver to remove the two screws securing the flight controller to the frame.

    • After removing both screws, the flight controller drops freely out of the frame .

  12. Hubsan X4 107L Flight Controller Replacement, Check out the Flight Controller: passo 14, immagine 1 di 2 Hubsan X4 107L Flight Controller Replacement, Check out the Flight Controller: passo 14, immagine 2 di 2
    • The Hubsan X4's Flight Controller (aka Control Board) has a handful of neat components that keep the quadcopter in the air:

    • Hubsan HBS002 Processor

    • Invensense ITG-3050 Integrated Triple-Axis Gyroscope

    • 16.000 MHz Quartz Crystal Oscillator

    • 3210AP 3-Axis Accelerometer

    • A7105 2.4GHz Wireless Module

  13. Hubsan X4 107L Flight Controller Replacement, Parts Overview: passo 15, immagine 1 di 1
    • All done! To reassemble your X4, follow these steps in the reverse order.

    • This is a good opportunity to test all your LEDs and motors and switch out any faulty components.

Conclusione

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

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Evan Noronha

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7 Commenti

Will I be able to conect the controller to the receiver with the new motherboard?

Jambopro - Replica

It's been my experience the transmitter will bind with what ever quad is ready to bind. I routinely steal my buddy's quad when he plugs it in before he turns his transmitter on.

bicyclewrench -

Just a qiuck note. I burned 2 motherboards with those blue replacement batteries...

Benedek Vajas - Replica

hi, while connecting x4 h107c + with 2 wires from battery to the 3 pin on pcb..the motor only spins..no led lights..what can be wrong ?

Silas Paine - Replica

I have the same issue. The ground being in the center I do not know if the positive is on left or right. Maybe using a small wire to jumb the two to each other?

Ti Brock -

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