Drone electronics
Flight controllers, 4-in-1 ESCs, power distribution boards, VTX modules, GPS units, gimbal boards and receiver modules.
Leinix TechCare
Component-level repair,
Component-level repair,
not board swapping.
Most service centres replace the whole board. We find the failed component, remove it under a microscope and put a good one back. Cheaper for you, and far less electronic waste for everyone.
Scope
What comes across our bench.
If it has a printed circuit board and a fault, it is worth sending to us before you replace it.
RC & robotics boards
RC car ESCs, servo controllers, receivers, robot driver boards, motor controllers and sensor modules.
Mobile & tablet boards
Charging IC faults, no-power diagnosis, display and touch IC issues, backlight circuits and port replacement.
Laptop & computing
Motherboard power sequencing, DC jack and charging circuits, no-display faults and BIOS recovery.
Battery packs & BMS
LiPo pack rebuilds, cell balancing faults, BMS diagnosis and connector replacement, handled with proper safety controls.
Radio & RF equipment
Transceiver finals, PA sections, front-end protection circuits, display boards and control panels.
Bench capabilities
The work we actually do.
Removal and replacement of surface-mount components down to 0201 packages under
stereo microscope — resistors, capacitors, MOSFETs, regulators, connectors and
fine-pitch ICs. Includes broken pad repair and jumper wire reconstruction.
Controlled hot-air and preheat profiles for removing, reballing and reseating
ball-grid-array packages — processors, memory, power management ICs and
system-on-chip devices — with post-rework continuity verification.
Schematic and boardview-based fault finding using multimeter, bench supply,
thermal camera, oscilloscope and short-detection methods. We identify the failed
stage rather than guessing at replacements.
Reflashing bricked flight controllers and ESCs, DFU recovery, bootloader
restoration, EEPROM and SPI flash programming, and configuration restoration
after a failed update.
USB, JST, XT and FPC connector replacement, including pad reconstruction where the
original footprint has lifted or torn away.
Ultrasonic cleaning, corrosion removal, trace repair and protective recoating for
boards exposed to water, spray chemicals or field conditions.
Hand assembly of prototype boards, modification of existing designs, wiring
harnesses and bring-up support for student projects and startup hardware teams.
Stereo microscope
Hot-air rework
Preheat station
Thermal camera
Oscilloscope
Bench PSU
Ultrasonic cleaner
ESD-safe bench
Service flow
From fault report to tested board.
01
Intake & fault report
You describe the symptom and what happened before it failed. Crash, short, failed firmware update or water — the history narrows the search considerably.
02
Diagnosis
Visual inspection under magnification, then electrical testing against the schematic to isolate the failed stage or component.
03
Estimate & approval
You receive the finding, the proposed repair, the cost and an honest verdict on whether repair is worth it. Nothing proceeds without your approval.
04
Repair
Component-level rework at an ESD-safe bench, using appropriate thermal profiles and genuine replacement parts wherever available.
05
Test & return
Powered testing, functional verification and — for flight electronics — bench motor and telemetry checks before the board is packed and returned.
Service levels
Turnaround options.
Indicative timelines. Actual turnaround depends on fault complexity and component availability — confirmed at estimate stage.
| Service level | Best for | Indicative turnaround | Includes |
|---|---|---|---|
| Standard | Hobby boards, single-fault repairs | 3–5 working days | Diagnosis, repair, functional test |
| Priority | Commercial operators with downtime | 24–48 hours | Front-of-queue handling, same-day estimate |
| Bulk / contract | Service centres and OEM batches | Scheduled slots | Batch pricing, failure-mode report |
| Diagnosis only | Insurance and write-off decisions | 1–2 working days | Written fault report, no repair |
No repair, no charge
If we cannot fix the fault, you pay only the agreed diagnostic fee — never the repair cost.
Written fault report
Every job returns with what failed, why we think it failed, and how to avoid it next time.
Warranty on our work
Repairs carry a service warranty on the specific fault repaired. Terms are stated on your job sheet.
Questions
Before you ship a board.
Often, yes. Mid-flight failures usually trace to a shorted MOSFET, a failed regulator,
a cracked solder joint from vibration or a damaged connector. What is rarely economical
is a board that has suffered a full power-supply cascade or heavy impact fracture — and
we will tell you that at estimate stage rather than after taking your money.
The board alone is usually enough, and cheaper to ship. For intermittent faults, motor
desync issues or crash damage, send the full airframe so we can test the system as a
whole rather than in isolation.
In most cases. Failed firmware flashes, interrupted updates and corrupted bootloaders
are recoverable through DFU or direct programming. If the microcontroller itself has
failed electrically, replacement is possible where the part is available.
Yes. The service bench is open to any brand and any source. Boards bought from us simply
get the benefit of us already knowing the hardware.
We treat stored data as confidential and access it only where the repair requires it.
That said, board-level repair always carries some risk to stored data — please back up
anything critical before sending a device, and tell us if data recovery is the priority.
Anti-static bag first, then foam or bubble wrap, then a rigid box. Never ship a damaged
or swollen LiPo battery — tell us instead and we will advise on safe local disposal.
Include a written note of the fault and your contact details inside the package.
Send us the fault before you send it to landfill.
Describe the symptom and we will tell you honestly whether it is worth repairing.