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Seeking Surf Pi Pro help,connected the battery backwards!
Hello Guys;
Does anybody else have any ideas as to what to check next?
P.S.lost the -5v again from the 7660 and i do not know why.I cannot find any cold joints.I changed the 5555 timer and the 7660s just in case again, but I still do not have -5v from pin 5,it currently reads .96v.I also changed both the 4093 and the 4066 but that did not help either. Any ideas?
Thanks,sentella4d
If you already changed the 7660, and still do not have -5V, then perhaps you have a short-circuit on the -5V line. It is advisable to fit all the ICs in sockets to enable easier fault-finding and repair.
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