Occasionally, a firmware update can reset the reference oscillator calibration. The service manual tells you exactly how to enter the hidden "Cloning Mode" or "Adjustment Mode" (usually holding specific buttons while powering on) to realign the master TCXO.
The FT-710 is assembled using lead-free solder (Sn-3.0Ag-0.5Cu). For repairs, only lead-free solder should be used to maintain RoHS compliance. SMD Expertise: yaesu ft710 service manual
Details on the dual-core 32-bit floating-point DSP system used for interference reduction. 3. Repair Requirements Occasionally, a firmware update can reset the reference