Case ZX NEXT / N-GO BLUE,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,ZX Spectrum PSU Modern Black US - Replacement ZX Spectrum Power Supply, US Plug,ZX Spectrum and ZX81 ULA gallery,ZX Spectrum PSU Modern Gray EU - Replacement ZX Spectrum Power Supply, EU Plug