thanks, I'll try that, but I think it's not a connector problem, when I switch the polysix on, everything is fine for a few minutes, then these strange modulations starts... like you can hear in the mp3 mat --- In PolySix@yahoogroups.com, "Chromatest J. Pantsmaker" <chromatest@...> wrote: > > Did you check the continuity of the board connectors? I've seen > corrosion inside the connectors. Just do a simple continuity check > from the board on one side of the connector, to the other board on the > other side of the connector... The traces might be fine, but if the > voltages can't get to the traces, your sol. > > On 6/21/07, analog_audio01 <analog_audio01@...> wrote: > > ok, I checked the klm361 (digital pcb) > > all traces and thru-holes in the battery section are ok... > > I measured them with my multimeter. > > > > I made a sound example so that you can listen how bad my poly6 sounds: > > > > http://www.cmaudio.net/poly6prob.mp3 > > > > as I wrote earlier in my thread the problem is on the klm 361 pcb (I > > interchanged it with the board from a working p6 and then it was fine...) > > > > I think the dc voltage from the digital board are not clean.. > > I already changed all electrolytic caps, but what should I do next? > > > > change some ics? > > > > or borrow a scope and measure the pins at the connectors? looking for > > some voltages that could cause this modulations?? > > > > > > thanks for your help > > mat > > > > > > > > > > > > PolySix "Digiest" Page: http://www.acc.umu.se/~amber/Poly6 > > Yahoo! Groups Links > > > > > > > > > > > -- > .sig > -Chromatest J. Pantsmaker > http://www.chromatest.net >
Message
Re: problem with my P6 : strange filter modulations... -> mp3
2007-06-22 by analog_audio01
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