[sdiy] Unidentified component

[Dan Snazelle]

Is that a good book??

Sent from my iPhone

On Oct 4, 2011, at 2:00 PM, "Tim Stinchcombe" <tim102 at timstinchcombe.co.uk> wrote:

> In an old book I have:
> 
> Electronic Musical Instruments, Richard Dorf, 1968 Radiofile
> 
> there is a photo of a Baldwin board showing something very similar to what
> you describe, and a schematic, and yes, they are packaged passive
> components:
> 
> "...Baldwin has followed the common economical practice of placing each
> divider's passive components in a packaged circuit."
> 
> If this is likely to be of any use, I scan the couple of pages concerned and
> stick it up on my website (but it will have to wait until after I have eaten
> my tea!).
> 
> Tim
> __________________________________________________________
> Tim Stinchcombe 
> 
> Cheltenham, Glos, UK
> email: tim102 at timstinchcombe.co.uk
> www.timstinchcombe.co.uk
> 
> 
> 
>> -----Original Message-----
>> From: synth-diy-bounces at dropmix.xs4all.nl 
>> [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of Loscha
>> Sent: 04 October 2011 10:14
>> To: synth diy
>> Subject: [sdiy] Unidentified component
>> 
>> 
>> They are couplates.
>> 
>> Mixture of caps and resistors. Quite useless, it seems. 
>> Transistors, I investigate thee next!
>> 
>> 
>> ---------- Forwarded message ----------
>> From: Loscha <loscha at gmail.com>
>> Date: Tue, Oct 4, 2011 at 8:02 PM
>> Subject: Unidentified component
>> To: synth diy <synth-diy at dropmix.xs4all.nl>
>> 
>> 
>> Hi All.
>> 
>> I'm gutting a Baldwin organ. Model E-10L sn 02048
>> 
>> It has these orange flatpack parts by the dozen. There are a 
>> few on each oscillator board (seem to have the top osc and 
>> it's subsequent dividers down on the same board - there are 
>> 12 boards identical to the naked eye in there)
>> 
>> 1347123L
>> A509-032976
>> 
>> 7 pins - labelled 1-7 on front. They're grouped 3 then 4. 
>> SOme pins come from front of part, some back.
>> 
>> I'm guessing they are a flip flop or similar. There are 2 
>> transistors next to each one in the dividing down departments.
>> 
>> Some sprague resistors packs and caps in here, too.
>> 
>> I'd love some, esp info if these are useful to anyone or any 
>> others from it (or a schematic, I've been unable to find, and 
>> aren't familiar enough with Balwins to know what's close enough).
>> 
>> Reagrds,
>>  Edward Jones
>> _______________________________________________
>> Synth-diy mailing list
>> Synth-diy at dropmix.xs4all.nl 
>> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>> 
> 
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>