You are all VERY kind and helpful - THANK YOU!
I now have (don¡¯t ask me why) ?4.87V at Pins 7 & 20 ??? I haven¡¯t reheated any joints or anything ??¡á?The bottom row of the screen is still blank.Clk0 & Clk1 still read 0.01V by the way.
Tom M7MCQ