David repair shop

Diagnose  start niet op  5 Volt voeding vervangen  next Faded diplay

SuperSynth display inbouwen  Nieuwe tact swithes                                                dual line display opti…

Diagnostic: No sound humming and mic cover loose all seems working so I going to replace capsule after replacing capsu…

Diagnose : Flikkering power led  ok lets open it up looks like circuit is ok so i'm replacing the blue led ok now …

Another classic for repair  Diagnose: not all voices are working and keyboard nok lets open it remove front pcb's …