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You will be able to take out the pedal switch in your Korg pedal board. With the right knowledge and parts you can fix your pedal's volume control.
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Remove the black 8.0mm Phillips screws from the back of the Pedal Board.
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Unscrew the five golden 8.0mm Phillips screws holding down the left circuit board.
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Carefully unplug three wires connecting the left circuit board to the right circuit board.
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Carefully pull out the circuit board and turn it over.
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Unplug the last cable connecting it to the other large circuit board.
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Unscrew the two 8.0 mm black Phillips screws from the small circuit board.
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Gently pull out the small circuit board by the purple wire.
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Mark the wire connected to the small circuit board so for future reference.
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Desolder the wires connecting to the board and remove the board.
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Solder the new foot switch circuit on
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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CPSU-GREEN-F15S14G6
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Thanks! My Ax1500g's pedal switch volume is failing, and not reaching the 100% volume, not even 50%. I've opened the pedalboard and removed the pedal switch, but I notice It doesn't have any true connection to the switchboard but an LED with a PhotoSensor that may be blocked by a plastic in the pedal itself, is that how it works? I was expecting a Potenciometer.
Where can I buy the pedal switch board replacement?
309001200 PHOTO TR RPM-22PB N OR P KLM-2251 AX150 1
312051900 PHOTO SENSOR SIM-22ST Q OR R KLM-2251 AX150 1
Thanks
Bro
Thers is some noise comeing when i connect the cable
I give to one shop
3 times. I took the shop he is cheater i lost my money
I need to fix it bro
I need ur help
My friend briought me his AX1500G, the expression pedal isn't working, nor volume or wah,...
I can't buy the interuptor, I check voltages on the three cables connection, it's ok. I think something wrong happened with the IR coupple, touching the cable ends on the main pcb while pressing the pedal, it sounding whooaa.. , that signal is working.
I think the IR sensor( reciever) is receiving the IR led (transmitter) but the value of resistance of the sensor had decreased and voltage output increase. Maybe by the age, maybe by long time using. I put a resistor (100k, I put this resistor due to resistance of my finger tip ) to jumps the output to ground for decreasing signal. It's works. The pedal can be using again.
