Drone and RC Equipment Repair

Comprehensive UAV and RC Electronics Service

Drones (UAV) and RC equipment combine advanced electronics — flight controllers, ESC speed controllers, GPS modules, FPV systems, gimbals and cameras — all packed into compact enclosures operating in demanding conditions. EFIXLAB offers professional repair of all types of drone and RC electronics — from consumer DJI to commercial and open-source platforms.

Commercial Drones — Supported Manufacturers

DJI

We service the full range of DJI drones:

Matrice Series — M300 RTK, M30, M350 (flight controller repair, ESC replacement, link module)
Mavic / Air Series — Mavic 3, Air 2S, Mini 3 Pro (gimbal service, camera board repair)
Phantom Series — Phantom 4 Pro/RTK (motor replacement, IMU calibration)
Inspire Series — Inspire 2, 3 (dual gimbal electronics, FPV transmitter repair)
Agras Series — T30, T40 (agricultural drone electronics service)

Autel Robotics

EVO II / EVO Max — camera, gimbal, and flight controller repair
EVO Lite — sensor, ESC service

Yuneec

Typhoon H / H520 — hex motor and ESC repair, camera gimbal service
Mantis Q — electronics regeneration

Parrot

ANAFI — gimbal, camera module, USB-C board repair

Skydio

Skydio 2 / X2 — autonomy computer, visual sensor, ESC service

Open-Source and Custom Drones

We service drones built on popular open-source platforms:

ArduPilot — Pixhawk, Cube, Matek FC (firmware recovery, sensor calibration)
PX4 — Holybro, mRo (flight controller board repair)
Betaflight / iNAV — FPV racing FC (gyro/accelerometer replacement, ESC repair)
KISS / FlightOne — racing FC and ESC (MOSFET and MCU service)
Custom builds — X4, X8, hex, octo frames (wiring, power distribution, FC diagnosis)

Gimbal and Camera Systems

DJI Zenmuse — X5S, X7, H20, L1, P1 (motor driver, IMU, ribbon cable repair)
Freefly — MōVI (gimbal controller board, motor repair)
Gremsy — T3, T7 (stabilization electronics service)
Custom gimbals — SimpleBGC / Storm32 based (BGC board, IMU repair)

Telemetry and Data Links

DJI Lightbridge / O3 / OcuSync — video transmitter, receiver module repair
Microhard — pDDL, pMDDL (IP radio link electronics service)
RFD / Dragon Link — long-range telemetry module repair
Herelink — ground station and air unit service

Ground Control Stations (GCS)

DJI RC / RC Pro / Smart Controller — screen, antenna, button repair
Herelink — controller unit, display replacement
Custom GCS — tablet mounts with telemetry (electronics repair)

Power Systems

LiPo / Li-Ion batteries — cell replacement, BMS repair, connector replacement
Smart batteries — DJI, Autel (communication IC, charge controller repair)
Chargers — ISDT, SkyRC, iSDT (power supply, balance circuit repair)
Power Distribution Boards (PDB) — switching regulator, BEC repair

What We Repair

Flight Controllers (FC)

IMU sensors — gyroscope, accelerometer, barometer replacement (ICM, BMI, BMP)
GPS / GNSS modules — u-blox, DJI GPS (receiver, antenna, connector repair)
Microcontrollers — STM32, AT32 MCU replacement, firmware recovery
USB/UART interfaces — port, connector, voltage regulator repair
Connectors — JST, DF13, micro connector resoldering

ESC (Electronic Speed Controllers)

MOSFET / GaN transistors — blown power transistor replacement
Gate drivers — MOSFET driver IC replacement
Capacitors — input/output filter capacitor replacement
MCU — controller replacement, ESC firmware reflash

FPV Video Systems

Video transmitters (VTX) — RF power amplifier, antenna connector repair
Video receivers (VRX) — tuner, demodulator repair
FPV cameras — CMOS sensor, lens, ribbon cable replacement
FPV goggles — OLED/LCD screen, receiver module, fan repair

Gimbal Electronics

Gimbal motors — brushless motor, coil winding, bearing replacement
IMU sensors — stabilization sensor replacement on gimbal board
Motor drivers — DRV8313, L6234 driver IC service
Ribbon cables — camera gimbal flex cable replacement

GPS and Navigation

GPS modules — u-blox M8/M9/M10 (receiver, LNA repair)
RTK modules — u-blox F9P (base station and rover electronics service)
Compass / magnetometer — HMC5883L, QMC5883 (calibration problems, replacement)

Power Electronics

Voltage regulators — BEC, UBEC (switching regulator repair)
Current sensors — Hall sensors, shunts (sensor replacement, calibration)
Anti-spark modules — anti-spark switch (MOSFET replacement)

Sensors

Optical flow — PMW3901 (sensor and lens replacement)
LiDAR / range sensor — TFmini, Benewake (module service)
Obstacle avoidance — DJI vision system (IR, stereo camera, ultrasonic module repair)

Typical Drone Failures

Crash Damage

Motor arm damage — ESC, motor, wire replacement
Gimbal damage — motor, ribbon cable, mount bracket repair
Frame cracks — carbon fibre repair, arm replacement
FC board damage — component, connector, trace repair

Power System Problems

Battery not charging — BMS, charge controller, connector failure
Short flight time — worn cells, BMS imbalance
Sudden power loss — XT60/XT30 connector problems, PDB failure

Communication Problems

Signal loss (failsafe) — receiver, antenna, transmitter damage
Video breakup — VTX power loss, antenna damage
GPS no fix — module damage, antenna, cable problems

Firmware and Software Issues

Failed firmware update — MCU recovery, bootloader restore
DJI activation lock — electronics board repair with pairing
Calibration errors — IMU, compass, gimbal calibration

Gimbal Problems

Vibration / jello — motor, bearing, damper problems
Gimbal overload error — stuck motor, cable obstruction
No stabilization — IMU sensor failure, ribbon cable damage