Midi-CV part 2

[Isac Georg Jensen]

Niklas Lindberg wrote:
> 
> >Next, I checked the optocoupler circuit. It's a pretty standard circuit
> >( 220 ohm resistor, diode on the input side. Collecter thru 4.7k
> >resistor to +5V, and emitter to ground.
> 
> Correct me if I'm wrong, but shouldn't pin 6 of the CNY-17 be
> connected to VCC...
> 
> Have you done this ?
> 
> The behaviour you describe sounds like the connection is missing.
> 
> / Niklas

Pin 6 is basis of the phototransistor. I'm not very experienced in
optocouplers, but I don't think that it should be connected. I'll try it
anyway (I've got a couple of CNY-17). 

Thanks, for the input.

-Isac