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Flip the pedal over and remove the 4 screws holding the back on.
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Set aside the back and the plastic shield
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The backside of the circuit board is now exposed.
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Remove the highlighted components: Clockwise from the top: C17, IC1, C2, C9, C22, R32
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View of the solder side with components removed.
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Using the end of the 470k resistor (or other small lead, bridge pins 3 & 4.
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Clip off the 470k resistor and save for later.
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Remove the sticker
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1uf Caps
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DIP8 socket, note orientation, dent towards top of board
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68pf Cap
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470k resistor
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Insert LF353 op-amp, note orientation dot at top left corner.
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Move the DC Jack to expose the circuit board for the LED
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Remove screw from LED board
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Remove LED. Note the "helping hands" used to hold the board in place.
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Try to keep the solder in place for the red and orange leads connected to the board.
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Insert the new LED using the white spacer that was on the old LED
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The shorter lead goes to pad attached to the green wire
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solder and clip the leads.
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Put the pedal back together, reversing all previous dis-assembly steps.
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Don't forget the Sticker. It will make your friends jealous and enemies enraged at the amazing tone of your chorus pedal.
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I didn't remove the ACA sticker as this is a customers pedal. But I will let them know it should be removed.
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