800077-748 - Zebra YMCKOK Color Ribbon for ZXP7,Sinclair Spectrum 128K+2 (Grey) from what I understand this IC (amstrad 40057 8629) controls Joystick input. Any idea why it would be getting extremely hot ? : r/consolerepair,File:Sinclair ZX Spectrum Issue 4B Motherboard.jpg - Wikimedia Commons,Sinclair ZX Spectrum by Samsung – Sinclair Collection Site,Sinclair ZX Spectrum – Graphic Printer – Seikosha GP-50S – Dutch Game Boys