Service Rates Workshop Service Go to Onsite Service Diagnostic / Assessment Fee $85 ($150 for vintage synths, large digital pianos and digital mixing consoles) More Info Non-refundable, payable at booking. Deducted from final repair cost. Hazardous handling fee applies to units with urine/vomit. Repair Estimates Given only if over $275 ($500 for vintage synths, large … Continue reading Service Rates