The epic ZX Spectrum from Hell repair continues! Today we look at the upper ram chips, the logic chips (again), a crispy resistor, the power conversion transistors, the ULA socket, the lower ram (a bit) and the logic chips (again again).

But will repairing something in each of these areas result in a working 48k Sinclair ZX Spectrum?

Memory chip tester: https://www.ebay.co.uk/itm/124726020732?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=HFzPW3iNSgu&sssrc=2349624&ssuid=tXgwcwPKQ-S&var=&widget_ver=artemis&media=COPY

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00:00 Introduction 00:31 Upper Memory Repair 01:17 Logic Chips Repair Part 1 05:18 Burnt Resistor Repair 06:21 Transistors TR4 and TR5 07:40 ULA Socket Repair 11:12 Lower Ram THE RETURN! 12:00 Logic Chips Repair Part 2 18:46 Testing

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