Mutant Hats No Closed Hat Sound

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alanwmason
Learning to Wiggle
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Mutant Hats No Closed Hat Sound

Post by alanwmason » Thu Feb 12, 2015 8:19 am

Built the unit and it all seems to be working apart from no sound out of the closed hat output. Open hats work fine and so does the fade function as the closed hat trigger seems to be working.

There was the issue with the top of the electolytic caps C13 and C29 of the middle board shorting onto the backboard during first power up. I'm not sure if that's damaged any components.

Any clues?

If there is a schematic that would be handy for fault finding

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Neutron7
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Post by Neutron7 » Sun Mar 01, 2015 10:24 pm

Mine shorted like that and it made a few wierd noises but once i fixed it everything was fine, i was using a temporary passive mixer at first and the closed was really overpowered, but you could still hear it. I would just go over everything looking for bad solders.

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CliffordMilk
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Post by CliffordMilk » Thu Mar 05, 2015 11:52 am

Check the orientation of all the trasistors. It took me ages to figure out that I had one facing the wrong way :doh:

alanwmason
Learning to Wiggle
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Post by alanwmason » Fri Mar 13, 2015 12:49 pm

Doh!
tracked the output signal back through the boards and found a that one of the headers wasn't connecting through. Thanks for the advice.

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