Korg Triton Repair and Restoration
A long time viewer of my Bilibili channel contacted me to do a restoration of his Korg Triton.
hardware
Tektronix DPO71254B Repair
There is a DPO71254B at my workplace that has been abandoned for quite a while. I repaired it so that we can use it to debug (no cal though)
Roland D-50 Repair
The long journey of restoring a Roland D-50
Oscilloscope Measurement Artifacts 1
In this article I present some aspects that distort electrical signal measurement result, with focus on what happens in the scope itself after the signal has entered an oscilloscope.
Repair SONY DSC-P93
Repair a SONY DSC-P93 that has stuttering OVF zoom and an error message
Resurrecting AGM Lead Acid Battery
Although not regular flooded type, AGM batteries can also be restored by adding water if it's not too far gone.
Building a NAS with a Cursed Motherboard / 用灵车主板组装一台NAS
I built a NAS with a cursed motherboard and TrueNAS Scale
Sharp GF-777 Restoration 夏普GF-777翻新
I restored a Sharp GF-777, replacing all belts and friction wheels, and the pinch roller
80dB Noise Preamp
A very high gain (80db or x10000) differential AC signal amplifier
Alesis M1 Active MK2 Repair 维修记录
Repairing a pair of classic Alesis monitor speakers 维修一对经典的Alesis监听音箱