How much resistance is between this signal and +5 volts? Maybe a pin got folded over and is shorting out that signal...
************
One of the first things I noticed was there was no output on the 245
buffers at 2L and 2K. I'm getting a proper signal on pin 1, but pin 19 is
stuck high for some reason, which is labeled /EXTDEN.
http://games.rossiters.com/manuals/IROBOT_5A.jpg
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Received on Sat Aug 9 14:21:53 2008
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