Vintage Synth Repair

Thanks, 

Well, I found that it is not the opamp. Actually, aside from the 
4053, there's also an IC tagged "C741C" in at the same circuit - 
would that one be hard to find ? any equivalents ?




--- In vintagesynthrepair@yahoogroups.com, no.freq@... wrote:
>
> Hi,
> 
> You'd better use a TL082 instead of the 072. You'll usually find 
that the right
> replacement op amps will end with the same numbers.
> 
> Concerning the 4053, I bet it's a CD4053, so you may not have any 
problems in
> finding one.
> 
> And one last good thing, while you're at desoldering chips: use 
(golden) sockets
> !
> 
> Cheers,
> 
> Michel
> 
> > Hi all,
> >
> > I'm trying to fix my OB Matrix6R, on which the left channel 
doesn't
> > play. The last stage is a NEC C4082C dual opamp (datasheet 
attached to
> > Files section).
> >
> > I wonder whether it is possible to replace it with a 4558 or a 
TL072
> > opamp, safely ?
> >
> > There is also one 4053 that I suspect. In case I need to replace 
it,
> > what could be a good substitue for it in case it can't be found ?
> >
> > Thanks for any advice.
> >
> >
> >
> >
>