Description
Yokogawa FG320 Function Generator Repair and Calibration
The Yokogawa FG320 Function Generator is a multi-product calibrator – it sources voltage, current, resistance and other quantities to calibrate a bench of instruments. Because each capability runs through its own output stage, a fault normally removes one function and leaves the rest working perfectly.
Certified technicians at June Company service the Yokogawa FG320 Function Generator for calibration laboratories, instrument workshops, and in-house metrology programs. Every instrument is repaired at component level and verified against reference standards before it ships back, with the measured results documented.
Common Yokogawa FG320 Function Generator problems we fix
- Cooling fan or thermal shutdown.
- Internal power supply faults.
- GPIB, LAN, USB or remote-control faults – which breaks automated test sequences while the instrument still works from the front panel.
- Display, keypad or front-panel faults.
- One function failing while the others work – the characteristic pattern, and the reason a single failed output rarely means a failed instrument.
- Readings drifted out of tolerance – corrected and verified against reference standards.
- Current output stage failure.
- Resistance or capacitance synthesis faults.
- Range switching and relay faults.
FAQs
How long does a repair take? Most are completed in 5-10 business days, with a firm quote after evaluation and before any work begins.
Are the measurements verified after repair? Yes, against reference standards, with the measured results documented and returned with the instrument.
Every repair carries a 90-day parts-and-labor warranty, with a firm quote before any work begins. Email us or submit a service request.








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