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hi all VEMS community :) I got a problem with my genboard.During firmware upgrade and some changes and measurments, I did '''short circuit on main 5V source (DPAK)'''. Right after that I lost connection to MT and unit appears to be '''DEAD.''' Tried to play trigger signal from my soundcard(was working fine before), scoped if signal going to uC,and everything comming in but no reaction.even if I turn it on ,it suppose to prime fuel pump,but it doesn't,and I have also 2 SPECFETs which are inverted(const.ON),and they are seems to be dead as well.Checked all power sources,and power on ATmel's pins and MAX232 ,they are present.Checked MAX232 with terminals 11 and 12 shorted for loopback test - OK. Is it possible that '''ATmega is damaged? most likely.''' Any advices...? New mainoard --- if you switched off power (shorted power?) during fw upgrade, try to short pin 2-3 in DB9 and talk to it in bootloader mode (19200, send S command iirc) //Emil thanks Richard [[! MembersPage MembersPage/RyszardPiesta]]
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