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 Robotics / Handy Board / 8191
  HELP!! Dead board
 
Hi, I've a dead board here and don't know what to do anymore... The following is happening: I can download the pcode to the board, but when I then try to reset the board, the IC message won't show up on the display, there won't be any beep, and IC (...) (24 years ago, 29-Nov-00, to lugnet.robotics.handyboard)
 
  Re: HELP!! Dead board
 
You shouldn't be seeing voltages over 5v anywhere in the logic circuits. Test if the 7805 is producing more than 5v, or if the RAM circuit (which is on a separate regulator) has more than 5v. In practice I'd rarely see more than a 0.2v error from (...) (24 years ago, 30-Nov-00, to lugnet.robotics.handyboard)

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