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• All 42 rubber-domed tactile switches are replaced by high-quality switches to insure longevity
• The intermittent WG KEY FOLLOW, CUTOFF FREQ, RESO, TVA BIAS POINT, and VALUE sliders are replaced
• All 6 arrow tactile switches are replaced
• R33–R36 (220Ω surface-mount) are replaced with through-hole equivalents to provide stable stereo and direct output.
• Some open surface-mount resistors are replaced
• All ¼” and DIN connectors are re-soldered
• All ¼” jacks and sliders are cleaned
• A fresh battery is installed"