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  1. Oleksandr

    Repairing a Metcal MX-5200 solder station with 'open error' on one channel

    Hi everyone, I’m experiencing the same issue with the left channel on my Metcal MX‑5200 station. Has anyone here managed to fix this problem? What I’ve done so far D12 diode tested OK. Continuity checks on every discrete component (except ICs) show no opens or shorts. All transistors read...