BYOC Triboost is on the fritz.

J

jammypac

New member
The pedal started making really odd noises and stopped functioning, even in bypass mode. It was the first BYOC pedal I ever built, probably 10+ years ago and never had any issues.

I've never had to troubleshoot one of the builds before (no humble brag intended) and I don't have any real understanding of electronics so, I don't even know where to begin.

I'm happy to take any direction on how to diagnose/fix the pedal, I really loved it when it was working.

Please let me know of anything that will help with providing advice.

Thanks!
 
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jammypac said:
Ok, I do have a DMM but don't actually know how to use it or what I'm looking for. Any guidance would be greatly appreciated.
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You probably have a continuity tester - a setting on the DMM that beeps when you short the leads. Check that the footswitch contacts are closing properly in each setting. So for the 3PDT footswitch, you should find operating the switch alternates connections between: 1-2,4-5, 7-8 and 2-3, 5-6, 8-9.

Also you might just check your jack to switch connections. For example, does the out-jack tip still connect #8 on the switch. Is the joint cracked at either end, or at the ground to out jack?

(I am using BYOC Boost as reference for the switch connections.)
 
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gtfields13 said:
You probably have a continuity tester - a setting on the DMM that beeps when you short the leads. Check that the footswitch contacts are closing properly in each setting. So for the 3PDT footswitch, you should find operating the switch alternates connections between: 1-2,4-5, 7-8 and 2-3, 5-6, 8-9.

Also you might just check your jack to switch connections. For example, does the out-jack tip still connect #8 on the switch. Is the joint cracked at either end, or at the ground to out jack?

(I am using BYOC Boost as reference for the switch connections.)
Click to expand...
Hi there, sorry for the wicked late response. Thanks for your guidance, that was extremely helpful! I ran through all of the continuity tests on the footswitch, alternating the connections as you had listed. All appear to be working as they should. I also checked all of the connections, both to the footswitch and the PCB. All connections are working.

Any other thoughts?
 
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I'm with @jimilee ... if you don't have a bypass signal then the issue is somewhere in that path and not the pedal itself.... Guitar>Cable>input jack> wiring for input jack to footswitch> footswitch itself or the bypass loop wire on the switch>Output jack wiring>Output jack itself> Guitar cable to amp.... Somewhere in that path is your issue if it's not working in bypass
 
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swelchy said:
I'm with @jimilee ... if you don't have a bypass signal then the issue is somewhere in that path and not the pedal itself.... Guitar>Cable>input jack> wiring for input jack to footswitch> footswitch itself or the bypass loop wire on the switch>Output jack wiring>Output jack itself> Guitar cable to amp.... Somewhere in that path is your issue if it's not working in bypass
Click to expand...
I'll need to put the pedal back together, but I will check out different cables. @jimilee mentioned my amp could be the culprit as well, so I'll need to investigate that too.
 
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