Exploring Faults in Three Sinclair ZX Spectrum 48k Computers | ZX Spectrum Troubleshooting

Description:
In this video, we dive into the fascinating world of retro computing as I explore three Sinclair ZX Spectrum 48k computers. This isn't a repair video, but rather an investigative journey where I identify and analyse the faults in these classic machines. I'll also showcase some of the essential tools I use for fault-finding. Stay tuned for future videos where I attempt to bring these iconic computers back to life!

🔍 Timestamps:
00:00 Introduction
00:15 Unboxing the ZX Spectrum 48k
02:25 Analysing ZX Spectrum #1
09:30 Analysing ZX Spectrum #2
14:30 Analysing ZX Spectrum #3
21:00 Tools & Techniques for Testing
26:30 Testing ZX Spectrum #3
30:10 Testing ZX Spectrum #2
33:00 Verifying Power Rails (5v, +5v, +12v)
36:50 Testing ZX Spectrum #1
40:15 Z80 CPU Testing
44:30 RAM Chip Testing
47:15 Quick & Dirty Composite Video Mod
53:33 Power On Test
59:00 Final Thoughts & Photos

If you're a fan of vintage computing or just curious about the ZX Spectrum, this video is for you! Don’t forget to like, share, and subscribe for more retro tech content.

🔧 Tools & Equipment:
Multimeter
RAM Tester
Diagnostic Cartridge
Z80 CPU tester

👾
#ZXSpectrum #RetroComputing #VintageTech #FaultFinding #Sinclair #ZX48k #RetroRepair #ZXSpectrumRepair #ZXSpectrum48k #TechExploration #OldSchoolTech #ClassicComputers #RetroGaming

👉 Don't miss out on upcoming videos where I'll attempt to repair these classic computers!

👍 If you enjoyed the video, hit the like button and consider subscribing to stay updated with more tech explorations.

📸 Follow me on YouTube for more content videos!