909 rimshot question

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Neal Beard
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Joined: Mon Mar 18, 2013 8:36 am
Location: Portsmouth, UK

909 rimshot question

Post by Neal Beard » Thu May 08, 2014 4:01 am

Made up my rimshot pcb with beautiful resynthesis panel but in my haste I put IC2 in the wrong way round.

Powering up caused nasty drone noise and burning smell.

:deadbanana:

DOH! I am an idiot.

After realising my mistake I replaced ic2 with a spare but still no sound, just an upleasant amp noise (which sounds a bit like a loud ground loop.)

Anyone any ideas what else I might have fried?

Re- the build - the only change I made was when wiring flying wires to take the ground from the audio out, and link this to trig and accent, rather than running a separate ground from the ribbon cable area.
day-time illustrator - night-time noisemaker

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Neal Beard
Common Wiggler
Posts: 113
Joined: Mon Mar 18, 2013 8:36 am
Location: Portsmouth, UK

Post by Neal Beard » Mon May 12, 2014 10:24 am

:razz:

replaced all 3 ic's and it's all fully working now and looking damn neat in the system...

very clean crisp sound - with lots of tweakablilty.

super chuffed with it and looking forward to making more pcb's soon...

keep up the good work hexinverter!

(+resynthesis)

:bacon:
day-time illustrator - night-time noisemaker

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