Do NOT Plug in Your Spectrum if it Looks Like This! - ZX Spectrum 48K Repair
28:30
Can you replace your C64 PLA for under $3?
24:54
ZX Spectrum 128K "Toastrack" Repair and Jailbar Reduction
50:19
The MOST Broken Computer? The 1986 Sinclair Spectrum+2
23:24
ZX Spectrum Upper RAM Diagnosis, Repair and Service | Machine Code! | Z80! | Opcodes!
9:57
MURMULATOR
58:40
This blows away the $60 budget oscilloscope! (OWON VDS1022 review)
18:10
Sinclair ZX Spectrum Tune Up!
36:05