Who designed the sea flea?

[jimilee]

Check the voltages on your regulator and make sure they're what you should be getting. Off the top of my head I think you should be seeing 5V at pin 1 of the PT2399 if that's an easier spot to measure...

That's all good, that was my thought too. The only other thing I can think of is I used a little extra flux on some if the ground connections, they seemed a bit stubborn. It's not unheard of for flux to cause issues.

[jimilee]

I have  audio, just no delay and a hot regulator.

[alanp]

Tried a different PT2399?

[jimilee]

Tried a different PT2399?

yep, I may need to try a few more I suppose maybe?

Pin voltages. I'm using a battery so VB+ is 8.1
i-4.9
2-2.3
3-0
4-4.9
5-4.9
6-2.3
7-0
8-4.5
9-4.6
10-.6
11-2.3
12-2.3
13-2.3
14-2.3
15-2.3
16-2.3

Anything seem amiss?

[jimilee]

Could it possibly be a bad board at this point? What else could I do / check?

[alanp]

The IC voltages should be the same as a Sea Urchin build

[jimilee]

On the sea urchin, pin 4 is 0 and 9 and 10 are 2.4
I got 2 on pin 4 and 4.6 on pin 9 and .6 on pin 10.
An audio probe shows I have audio out on 15, but no audio in on 16?
What did I do wrong?

[lincolnic]

If you have voltage on pin 4 and pin 9, maybe you have something shorting to ground somewhere?

[jimilee]

If you have voltage on pin 4 and pin 9, maybe you have something shorting to ground somewhere?

I'll agree with you there, but I don't see a single solder bridge anywhere and it's making me nuts.

[lincolnic]

I hear you, it's frustrating. Maybe put on a good record and break out the multimeter to see if anything has ground continuity that shouldn't have it.

[jimilee]

I hear you, it's frustrating. Maybe put on a good record and break out the multimeter to see if anything has ground continuity that shouldn't have it.

Great idea, that's next.

[wgc]

Silly thought, bad op amp?  I had some weird symptoms with some bad ones a while back.

[jimilee]

Silly thought, bad op amp?  I had some weird symptoms with some bad ones a while back.

Nope grabbed a known working pt3399 but not the tl072

[copachino]

Silly thought, bad op amp?  I had some weird symptoms with some bad ones a while back.

Nope grabbed a known working pt3399 but not the tl072

did you mada it work¡???

[jimilee]

Silly thought, bad op amp?  I had some weird symptoms with some bad ones a while back.

Nope grabbed a known working pt3399 but not the tl072

did you mada it work¡???

Nope, never did. I ordered some boards, gonna try a second one.