ZX81 repair
13:00
Repairing and Restoring a 43 Year Old Computer - Sinclair ZX81
13:30
Sinclair ZX81 Repair - White Screen and No Cursor
27:01
Sinclair QL - RAM Repair and Minerva ROM (Part 1)
27:04
ZX81 ZXvid Upgrade
19:22
16K ZX81 vs 16K ZX Spectrum
9:27
As promised - The ZX81 lives! And that 32k upgrade got thrown in too!
42:46
Can I fix an eBay spares repairs ZX81 with an AliExpress Oscilloscope?
17:06