Doepfer

jupp, got those components on the backside too





On 3 jan 2011, at 02.04, Tim wrote:

> Daniel, Richard
>
>> got the same problem here, havent checked the MC1496s yet. exchanging
>> the 3382 didnt make any difference
>
> Discovered I have a Google translate of the service manual, and  
> notice that there were a number of odd problems with early issues of  
> this module - certainly mine has a diode and two caps soldered onto  
> the underside, which I think was its final configuration, so it  
> might be interesting to know if yours have these mods too: a biggish  
> cap, 10uF or 33uF or so, and a smaller one, 1nF or so - if one or  
> other is missing, then it's possible I guess that the module may  
> have spontaneously started exhibiting the problems they fix, but a  
> slim chance I guess!
>
> Also the IC next to the PA382/CEM3382 is better being a TL084 rather  
> than a TL064.
>
> Most of these things were to do with stability issues, and I have  
> little feel for whether they could potentially stop it oscillating -  
> again, it is really going to take hooking the unit up to a scope and  
> poking around.
>
> Tim
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>