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Nothing ? Or inverted ?
If inverted, get into the menu.
If NOTHING, probably the jack, you gotta open it and check if the solder to the board is good, that can screw up with handling.
Luck..
Try plugging in the pedal with the Roland powered down or off. With the pedal plugged in, turn the Roland on again. The Roland should sense the polarity upon power up. If this doesn't work, I have had those pedals get defective right out of the box, so try this...Get a ¼ inch guitar or signal cable and plug that into the damper jack. The cable will represent an open circuit polarity since nothing is shorting out the leads. See if the EP77 is sustaining or if it is not. Alternately, try shorting the guitar cable by laying a piece of metal across the top and bottom of the jack. A pocket or kitchen knife or any bare wire will do. If this does not work, your assumption about the power supply may be correct.
I assume you are using ROLAND pedals... they are BACKWARDS to most other pedals you can buy regarding the on-off sense. If yours are NOT Roland pedals, you MIGHT be able to open them and rewire... not all can be rewired, but some can be rewired to reverse the switch direction.
Sorry, but the Yamaha pedal has the opposite sense (it is a normally open contact) than what is REQUIRED by Roland equipment. Roland requires a Normally Closed contact. Unfortunately, one is confused because the Roland jack for the sustain shorts itself to no sustain when you unplug a pedal. SOMETIMES one can open a pedal and with soldering iron change a wire to reverse the pedal sense IF the particular pedal has both contacts available.
Hello!
I am not positive on this but I would try to clear all of the loops. Try holding the right pedal for about 5 seconds.
If that does not work, hold the right pedal for about seconds while you turn off the unit. Release the right pedal then turn the unit back on.
Hope that helps!
Common problem is a broken solder connection where power jack is attached to the circuit board. SOmetimes the circuit board is cracked or solder broken. If board is cracked, jumpers need to be soldlered on to bridge the crack.
Good grief! FInd a tech that knows what he is doing. You can replace the plug and/or the jack. Each is a few dollars at most. You can even do it yourself. If you can see where wires went just buy new parts. They are probably available even at Radio Shack.
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