Servomac CT198A board

The Servomac CT198A is a high‑current industrial servo drive controller used in CNC machines and motion control systems. Common failure points on this class of boards include power supply decoupling capacitors, MOSFET gate drivers, and the main PWM output stage; overheating or voltage spikes often damage these components. Begin diagnostics by verifying that the input DC rail is within spec and measuring the output bus for ripple; then inspect the board for burnt traces or swollen electrolytics, followed by checking the status LEDs and any diagnostic error codes displayed on the panel.[oss-gpt-20b]

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