Do NOT Plug in Your Spectrum if it Looks Like This! - ZX Spectrum 48K Repair
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ZX Spectrum Upper RAM Diagnosis, Repair and Service | Machine Code! | Z80! | Opcodes!
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Exploring Faults in Three Sinclair ZX Spectrum 48k Computers | ZX Spectrum Troubleshooting
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ZX Spectrum 128K "Toastrack" Repair and Jailbar Reduction
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Can you replace your C64 PLA for under $3?
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ZX Spectrum 128K Toastrack - Composite Mod and some Service Mods
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What a Palaver! ZX Spectrum Repair - RAM issues?
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ZX Spectrum 128K "Toastrack" Mega Repair (Part 1)
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