Repair SONY DSC-P93
Repair a SONY DSC-P93 that has stuttering OVF zoom and an error message
repair
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.
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
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
Roland XP-80 Repair 罗兰XP-80合成器维修
A Roland XP-80 synthesizer repair writeup