hello all, thanks to charles stella and 'ac' (currently lurking - but i know him) i got the schematics i seemed to have blown one half of a C4558 op amp - so i just pulled it, fitted a socket and tried an OP275 (i had one knocking around) and apart from a re-calibration, all seems to be back to normal (apart from my custom power distribution buss seems to be wired backwards) can i smell smoke..? cheers paul b (an attic in sheffield / uk)
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minor disaster averted ?
2005-11-22 by SYOL