[sdiy] Roland RS101(?) boards

Ken Stone sasami at hotkey.net.au
Sun Dec 19 01:38:19 CET 2004


>9 pcs of M3216, the only info i found was 6-Stage Divider Retro... is this  
>chip any good?

Octave dividers, common in organs.

>1 pc of M8071 (i got a datasheet in japanese... it also shows this one  
>conected to M3216)

Top octave Synthesizer. Creates the top octave of notes. Successive octaves
below are created by the dividers mentioned above.

>1 pc of TC4011P this one i found the following info :

VERY common chip.


>A LOT (63) Transistors C945 (i assume BC945 but no info on it)
>2 pcs of A562 (completly unknown to me and found nothing...)
>1pcs of NEC A733 transistor ( i found a 2PA733 PNP General Purpose  
>Transistor)

2SC945 and 2SA733.

>1pc DN811 (no info about it)
>4pcs of MN3002 (also no info about it)

Delay chips. This is what gives the chorus sound.

Ken
_______________________________________________________________________
Ken Stone   sasami at hotkey.net.au or sasami at cgs.synth.net
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>




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