8. If everything else on your pedal is working, but you are only getting one repeat when
in pingpong mode, test for audio signal at PINK 1 - 4. This is the pingpong feedback
loop. The concept is exactly as the normal echo mode feedback loop just discussed in
step 7, but the outputs of both chip A and Chip B are being looped back in parallel into
the input of chip B rather than the output of A and B in series being looped back into A.
For high-resolution color map, visit:
http://byocelectronics.com/pingpongcolormapscheme.pdf
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