[NTLK] Internal Interconnect Port Audio Line Out Pins

[Grant Hutchinson]

> On May 17, 2019, at 6:16 AM, Igor Bertolucci <igorbertolucci at gmail.com> wrote:
> 
> A quick question regarding the internal interconnect port - does anyone know which pins are the audio line out?
> 
> I was looking at Jake Bordens’ breakout board image: http://retronewton.blogspot.com/2015/01/the-internal-interconnect-port.html
> 
> And see a soldering point for Sound In, but can’t see one for sound out. Also shouldn’t there be two points (pins) - one for the tip and one the sleeve of the plug? Or does one of the wires just connect to ground and so only one pin is connected to the interconnect port?

Perhaps this technical document will help ...

Newton Interconnect Port Hardware Specification for the MessagePad

<https://newted.org/download/manuals/NewtonInterconnectSpecifications.pdf>

g.

----------------------------------------------------------------------

Grant Hutchinson
NewtonTalk List Dad & Interweb Custodian