esher Posted June 10, 2013 Report Share Posted June 10, 2013 (edited) Hi all. I just soldered all the PCBs from Mike's shop, tested all DIN's and DOUT's, CORE - all is working fine. But with MBSID v3 there is a problem with interconnection test. During the test i only can get result for #CS pin which changes from 0 to +5v when appropriate key is pressed. But no results from A0-A4 and D0-D7 #RES pins. I thught it may be bad 74HC595, but installing new 595's was no effect at all. Can it be PIC problem? All cables and other PCB solderings was checked ten times - no errors. All power pins shows the +12 and +5 where it must been. Any idea? edit: after testing separately 595's i found that all 595's are good and working with A0-A4 and #RES, but then in other place (connected to D0-D7) is not working, and when is placed - the first 595 is not working too. edit2: accidentally, now is working all 595's. I think it was bad socket connection. Sometimes it need to be written about the problem, for kicking myself to solve the problem. Edited June 11, 2013 by esher Quote Link to comment Share on other sites More sharing options...
TK. Posted June 16, 2013 Report Share Posted June 16, 2013 Welcome on board! Great that you solved this by yourself (a bad 595 connection was my first assumption) Best Regards, Thorsten. Quote Link to comment Share on other sites More sharing options...
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