When the easy fix is a $400+ logic board replacement, microsoldering is usually the smarter answer. We do component-level board repair on laptops, MacBooks, phones, and game consoles right here in Alexandria, MN — with a microscope, hot air station, and the patience to chase a fault to the exact failed part.
What Is Microsoldering?
Microsoldering is component-level circuit board repair. Instead of replacing the entire motherboard, we identify the specific failed component — a capacitor, resistor, integrated circuit, USB-C charging port, or torn FPC connector — and replace only that part. The repair typically costs a fraction of a board replacement and saves devices that other shops will tell you are dead.
Common Microsoldering Repairs
Charging Circuit & USB-C Port Replacement
Phone or laptop wont charge, charges intermittently, or only charges at certain angles. The USB-C or Lightning port is soldered directly to the motherboard and physically pulls free over time. We desolder the damaged port, clean the pads, and reflow a new port. We also replace damaged charging ICs and tristar chips when the port itself is fine but the charging logic has failed.
Liquid Damage Board Repair
Coffee, water, or beverage in a laptop or phone causes corrosion that eats traces and shorts components. Once the device is opened, we ultrasonic-clean the board, identify corroded components under microscope, and replace damaged parts. Saves data and often the device — when traditional board-swap shops would have written it off.
Damaged FPC Connectors
FPC (flexible printed circuit) connectors are the small fragile sockets that ribbon cables plug into — for screens, keyboards, trackpads, batteries. They tear off boards from drops or rough disassembly. We solder replacement connectors back onto the pads with a microscope and hot air, restoring the connection.
MacBook Logic Board Repair
Apple charges $600–$1500 for a logic board swap. Often the actual failure is a single damaged component — a backlight IC, a SMC chip, a power regulator, a corroded fuse, an isense resistor. We diagnose the specific failure and repair it, typically for $200–$400 instead of full board replacement. Common MacBook board repairs include backlight failures, no-power, no-trackpad, no-keyboard, and post-liquid-damage rebuilds.
Individual Components: Capacitors, Resistors, Diodes, ICs
Many board failures come down to a single $0.50 component. Bulged capacitor, blown protection diode, dead ferrite bead. We have schematics and boardview files for most common laptops and Apple devices, which lets us trace power rails and identify the exact failure point quickly.
Reflowing & Reballing
BGA (ball grid array) chips like GPUs and chipsets sometimes develop solder joint failures. Where appropriate, reflow or reball can restore connection. We do this work for older laptops and game consoles when the GPU itself is still good but the connection has failed.
Devices We Do Board Work On
- Laptops: Dell, HP, Lenovo, ASUS, Acer, MSI, Razer, Microsoft Surface
- MacBooks: all generations, including Apple Silicon (M1/M2/M3/M4) — though some Apple Silicon repairs are limited by Apple’s pairing/security model
- Phones: iPhone, Samsung Galaxy, Pixel
- Game consoles: PlayStation, Xbox, Nintendo Switch (HDMI port replacement is common)
- Tablets: iPad, Galaxy Tab, Surface
Our Microsoldering Setup
Stereo microscope, hot air rework station, soldering stations with fine-tip irons, BGA reballing setup, isopropyl and flux for cleanup, schematic and boardview software for major manufacturers. The right tools matter — board work done with a regular soldering iron and a magnifying lamp causes more damage than it fixes.
Common Questions
How much does microsoldering cost?
Wide range depending on what failed. A torn FPC connector or a single component replacement might be $80–$150. A full liquid damage board cleanup and component replacement might be $200–$400. Complex board diagnosis on an unfamiliar device may cost more. We always diagnose first and quote before any soldering work begins.
Is microsoldering guaranteed?
We warranty our soldering work itself for 30 days. But — board-level repair has more variables than swapping a part. Once a board has been damaged (especially by liquid), other components may fail later from corrosion or stress that started before we touched it. We are honest about this up front: microsoldering often saves the device, but it is not the same long-term reliability bet as a fresh board.
How long does board-level repair take?
Diagnostic alone can take a few hours under microscope. The repair itself is often the same or following day once the part is in. Total turnaround is usually 3–7 business days, longer if we need to order specialty components.
Why dont other shops do this?
Tooling cost, time, and skill curve. Most repair shops are part-swappers — replace the whole board, replace the whole assembly. Microsoldering requires a microscope-and-hot-air setup, schematic literacy, and hours of practice to do without damaging the board further. We invested in it because it is the only way to save a lot of devices that would otherwise be a total loss.
Can you fix water-damaged MacBook logic boards?
Often, yes. Bring it in as quickly as possible — corrosion gets worse the longer it sits. We disassemble, clean the board, replace corroded components, and recover the data either way. Even when the MacBook cannot be saved, we usually recover everything off the SSD.
Related services:
Laptop Repair | Mac Repair | iPhone Repair | Data Recovery