Since this pedal has a pretty complicated wiring scheme, I'd start by carefully checking all of the wire connections against the diagram on page 21 of the instructions and make sure there are no errors there. If that turns up nothing, I'd suggest getting a complete set of DC pin voltages on the three IC's a report them here. For comparison, below are the voltages on my own fully functional Li'l Pony:
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Li'l Pony IC Voltages.gif [ 5.39 KiB | Viewed 270 times ]
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