A few days back I asked about the differences between "issue 2" and "issue
5" boards in an Electrohome G05-802. Without specific reasons to why these
boards could not be interchanged, I went ahead and tried it out.
The conversion is very simple actually, just remove pin 4 from P500 on the
"issue 2" board.
Pin 4 of P500 if left connected will ground Grid #3 in the CRT and will
reduce the brightness of the trace (duh..!) to the point where it is almost
impossible to see.
The application was in an upright Red Baron using the 19" monitor.
I do not know the quantities of "issue 2" boards that were made, or if it
is easier to find a "issue 2" than a "issue 5" board.
Anyway, hope that helps.....
- Matthew Sell
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Received on Mon May 15 11:46:03 2000
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