A burnt component or broken connector can be visible; a power-supply, communication or intermittent fault often needs further investigation. Describe what the equipment does, what changed before the failure, and any testing already completed. Schematics, part numbers and service information can help establish a realistic repair approach.
Component-level repair
Review can include failed power components, damaged connectors, corrosion, heat damage and faults in the circuits that control the board. Component availability, board condition and access to test information affect what can be repaired.
Microsoldering
Fine-pitch connectors, small components and delicate electrical connections require controlled soldering and inspection under magnification. Where the board itself is damaged, reconstruction may be needed before a replacement component can be fitted.
Faults without visible damage
A board can fail without an obvious burnt part. No-power, unstable operation and missing-output symptoms are assessed alongside the equipment and operating conditions so the repair is directed at the fault.