Another quick(ish) vintage computer repair. This poorly Sinclair ZX Spectrum has a corrupted display. Bad RAM? CPU? Capacitors?!?! Maybe!

Initial checks video https://youtu.be/IzgCmldm2H4

Website https://www.morefunmakingit.co.uk/

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00:00 Introduction 00:39 We're going in! 01:47 Mostek CPU 02:20 Checking resistance 02:35 Removing the Voltage Regulator and Transistors TR4 and TR5 03:33 Powering on 03:53 Composite mod 04:53 Powering on (Again) 05:31 Checking Voltages (and a slip) 06:38 Replacing the Capacitors 06:50 A Clumsy Mistake 08:54 Testing 09:13 More Recapping 09:37 Testing and Success! 10:00 Finish the Recap 12:12 Replace TR1 and TR2 Transistors 12:56 Screen Test 13:15 Put it Back Together 13:37 Testing with CRT and loading Jetpac 14:08 Check Scraped Trace 15:19 Goodbye!

#zxspectrum #computerrepair #sinclairzxspectrum