hi-thanks alot for this. sorry, just to clarify, are we talking IC13 on which board? thanks, rj --- In PolySix@yahoogroups.com, Andrew Jury <andy@...> wrote: > > Hi, > > First of all check that you have -5vc at IC13 pin 7 with the MG speed pot > fully counter clockwise. Fully clockwise you should have +5v at the same > point. Any deviation means you should be looking at the mux bus or, dare I > say it, the pot itself! Buzz back and let us know... > > Cheers, > Andy > > > On 23/01/2010 21:38, "r_j_d_2.phila" <r_j_d_2.phila@...> wrote: > > > > > > > > > > > > > hey folks, first of all thanks to all of you who helped me with my SRAM chip > > issue. i got a 5514, and the current draw is proper, it now holds the memory, > > no battery draining issues. > > > > so i took this on the road, and the MG (LFO) section starting malfunctioning. > > issues: > > > > -the RATE pot doesnt throw from roughly 0hz-10hz. it now goes from 0 to about > > 3 or 4hz midway and then back to 0hz at the end of the throw. > > > > -the 3-way destination switch only works at VCF > > > > -these malfunctions affect the presets. so any of the patches i had written > > that had VCO modulated by the MG are now rendered moot. > > > > any ideas? i have had CMOS chips fail in other Korg instruments of this era; > > possibility? thanks alot for the help-rj > > > > > > > > > > > > > > [Non-text portions of this message have been removed] >
Message
Re: MG section malfunctioning; cause?
2010-01-24 by r_j_d_2.phila
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