Macintosh SE repair

September 21, 2023 User 0

Trying to revive old Macintosh SE. Initially, it had one vertical line, solved by resoldering connector points on analog PCB. Then vertical bars appeared, as […]

IBM 5150 RAM repair

September 16, 2021 User 0

After repairing the PSU of IBM 5150 I was left with a couple of errors one of which was related to RAM. The main error […]

IBM 5150 PSU repair

September 16, 2021 User 3

Got me a nice IBM 5150 PC. This is the first PC of its class and I will make a separate post about it when […]

Fixing Robotron 1715 PSU

September 1, 2021 User 1

I consider myself not bad in fixing electronics considering it is just my hobby. But for a long time I was hesitant to touch switched […]

ZX81 repair and mods

October 4, 2020 User 0

Recently got a nonworking ZX81 personal computer. On power on only white and black vertical stripes were visible. Having some experience with ZX Spectrum`s my […]