Roland 137U5370 motor control board

The Roland 137U5370 is a motor‑control board used in industrial printing presses and similar high‑speed machinery. Common failure modes for this class of boards include power supply over‑voltage, capacitor degradation, and shorted driver ICs that cause loss of motor drive or erratic speed control. Start by verifying the input voltage rail (±12 VDC or as specified) with a multimeter, checking for any open or shorted traces on the PCB, then inspect the power MOSFETs and gate‑drive capacitors for heat damage or bulging. Finally review any diagnostic LEDs or error codes displayed on the press console to confirm whether the board is cycling through its fault states.[oss-gpt-20b]

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We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

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