Description
Keysight MXR104A Oscilloscope Repair
The Keysight MXR104A is an Infiniium MXR-Series mixed-signal oscilloscope — a 4-channel scope (to ~6 GHz) integrating scope, logic, and analysis with a touchscreen for high-speed embedded and signal-integrity work. As a precision acquisition instrument, its faults concentrate in the analog front-end, the ADC/acquisition system, the trigger, and the touchscreen.
June Company repairs and calibrates the Keysight MXR104A for embedded, signal-integrity, and test engineers.
Common Keysight MXR104A problems we fix
- A channel dead, noisy, or inaccurate — analog front-end damage from overload, repaired and recalibrated.
- Touchscreen unresponsive — the touch panel, repaired.
- Trigger or acquisition faults — unstable triggering or bad captures, corrected.
- Digital (MSO) channels not working — the logic-acquisition hardware, restored.
- Won’t boot or powers off — power/board faults.
FAQs
A channel reads wrong after an overload — fixable? Yes. Front-end damage is the most common scope fault and it’s repairable, then the channel is recalibrated so vertical accuracy and bandwidth are restored, with a NIST-traceable certificate.
Is the touchscreen repairable? Yes — touch panel repair is routine.
Every repair includes NIST-traceable calibration and a 90-day parts-and-labor warranty. Email us or submit a service request.








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