Building a ZX Spectrum diagnostics card to try to fix my ZX Spectrum Plus

I build a ZX Spectrum diagnostics cartridge to continue with another attempt of repairing the ZX Spectrum plus PCBWay - great quality PCBs from just $5! This is part 2 of attempting to fix my ZX Spectrum . Do I finally fix it this time ? Part 1: Contents: 0:00 Intro 3:32 The vLA82 chip 4:27 Building the diag cart 19:05 Testing the diag cart 23:42 Testing the broken machine 25:54 Repairs 38:56 Conclusion Check out my other channel: Support me on to get ad-free/early access to all videos plus sometimes exclusive content. Support me by using my PCBWay referral link. You also get a 5$ discount on the first order: Find an Amiga on eBay: Find an Atari 2600 on eBay: Find an Atari 800 on eBay: Find a Nintendo NES on eBay: Find a Commodore 16 on eBay: Find a Commodore Vic 20 on eBay: Find a Commodore Amiga on eBay: Find a Macintosh Classic on eBay: Find a Commodore 128 on eBay: Find a Commodore 64 on eBay: Find a TI99/4A on eBay: Find a Spectravideo on eBay: Find a Tandy 200 on eBay: Find an Apple IIe on eBay: Find an Atari XE GS on eBay: Find an Atari 800 on eBay: I use Canva to quickly create illustrations and thumbnails. It’s free. Buy me a coffee or give a one time donation via PayPal here: Note: Some links are affiliate links that helps support my channel. Music by Anders Enger Jensen, Espen Kraft, Geir Nilsskog Patreon: Web: Facebook: E-mail: support@ Twitter: ovesen Instagram: ovesennet