Graphtec PR601101C motherboard

The Graphtec PR601101C is a high‑speed industrial controller motherboard used in precision plotters and CNC machines, typically featuring a multi‑core ARM processor, real‑time I/O, and an integrated power management unit. Common failure modes for this class of boards include overheating of the voltage regulator or CPU due to dust accumulation, failure of the on‑board DC/DC converters, and intermittent logic errors caused by corrupted firmware or damaged memory cells. First‑check diagnostics: verify that the input supply is within spec (24 V ±5%) and measure output rails; inspect for visible burn marks or swollen capacitors around the regulator area; and read any stored error codes from the device’s diagnostic interface to pinpoint firmware or I/O faults.[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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