Toshiba HX-10 MSX black screen repair can I fix it ?

#retro #msx #8bit #repair - This video is sponsored by - I bought another faulty 8 bit micro from Ebay, this time it’s an Toshibs HX-10 MSX and will be my first time seeing one in person as we all had speccy and c64 back in the day. It was sold described with no power, but it turns out the fault was no display- the dreaded black screen. 01:06 - Unboxing. 02:57 - Basic power tests. 07:23 - Quick test with the keyboard for the caps lock led. 08:30 - Looking at the system chips. 09:46 - Tools I use to repair. 13:29 - Checking voltages of known IC. 16:08 - Connecting a TV and looking at the output. 16:52 - Using the Oscilloscope to probe IC. 21:37 - Checking one of the 4116 RAM chips. 23:42 - Testing the ROM, comparing and burning a new ROM. 26:06 - Will it work ? 28:34 - PCBWAY sponsor segment. 30:09 - Building an Eprom Cartridge. 30:57 - Diagnostic Cartridge tests (very long !!!!) flashing lights.