Hi, old Yamaha PS-6100 keyboard, no sound, no response, if try you use the panel switch function, all off, no reaction, system only light the power LED when turned on.
All the voltages in power pcb seem to be ok, there is 5V and the rest of the power supply, the power amplifier is working, the pcb boards look ok, on all quartz resonators on pcb the waveforms are consistent with their descriptions.
Any ideas ?
Regards for all.
All the voltages in power pcb seem to be ok, there is 5V and the rest of the power supply, the power amplifier is working, the pcb boards look ok, on all quartz resonators on pcb the waveforms are consistent with their descriptions.
Any ideas ?
Regards for all.
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