Yahoo Groups archive

Cgs synth

Index last updated: 2026-04-28 23:16 UTC

Message

Re: Pulse Divider cgs36 parts question BC547 or BC557

2011-06-01 by Adam Scramstad

Hi Ken -

Thank you for the clarification - I appreciate it!
Back to soldering & learning :)

- Adam


On May 31, 2011, at 5:05 PM, cg_synth wrote:

> Look at the transistor markings on the PCB. Two have a tiny arrow
> pointing inwards. These are the BC557. They are at the end of the
> board with the unicorn. One is near the unicorn, and the other is
> about 1/2" diagonally away from it.
> All the rest have the little arrow pointing outwards and are BC547.
> You cannot use all BC547.
> Ken
>
> --- In cgs_synth@yahoogroups.com, "Adam" <ads@...> wrote:
> >
> > Hi all,
> >
> > Probably a "newbie" question - but I need to check:
> >
> > I'm building a CGS36 ver1.3, and the BOM says 2x BC557, and 12x
> BC547. Then on the PCB, its simply says "Transistors BC547,
> BC557"...... so my question is where do the BC557's go? Does it
> matter - or can I all BC547's?
> >
> > Thanks very much for any help - I did check the archives.. but no
> luck.
> >
> > - Adam Scramstad
> >
>
>
>



[Non-text portions of this message have been removed]

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.