Quote:
Originally Posted by Acuario
It's meant a bit of electronics to interface from the PC to the internal unit control board, to be more precise - a MAX232 to interface the TTL data signal from the board to the RS232 for the serial port. I suffered big problems with interference using the MAX232 to level convert from the RS232 to the board (logic analyser/scope found the problem) so I ended up using an MC1489 line receiver - that sorted the problem. Just as well I have all the bits from when I used to design hardware.
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Do you have a schematic for your interface board?
I'd like to see if I can make some sense out of my Sanyo.
Thanks,
-AC