Aunc.1917 net.micro,net.micro.zx utzoo!decvax!duke!unc!dce Fri Feb 26 23:49:54 1982 ZX-81 Logic Chip I have just finished building my ZX-81 kit from Sinclair, and I found that the clock oscillator on the logic chip is not oscillating. The chip is getting hotter than it should, which leads me to believe that the problem is in the chip itself. Can anyone give me a suggestion as to whether or not I can find out if this is true, so that I can get a replacement quickly, with a minimum of charge? David C. Elliott