Computer memory expansion "Byte".

Hello, Prusak The schemes did not work the first time :v2_down; ,; but after sitting for a couple of days, I decided find some more diagrams. As a result, in the magazine "Radio Amateur. You and Yours" computer" 32000 found the diagram. Over the evening I assembled it and began to debug it. First I connected ONLY the inputs - EVERYTHING WORKED! But as soon as it came to exits... As soon as I connect the 9th pin of RU5 BYTE it starts to load. Unsoldered this one communication - everything works. And here is the most interesting thing - as soon as I take my hands to isolated wire (with the byte turned on), everything hangs: v2_eek; .; Maybe who knows the way out?