Digitech rp350 expression pedal won't work - Music

SOURCE: how do i fix my expression pedal on my digitech

I think it is controlled via a LDR instead of a pot. If you see a pot under the pedal then it may need a new pot but I believe they have a LDR, which is an LED/light controlled resistor system. Either of these can be fixed by an experience repairman.

LDR parts are available at SmallBearElec.com. It will require some soldering experience. Be sure to test the pedal's control circuity with a digital multimeter to be sure the problem lies within this area and not somewhere else.

SOURCE: Digitech RP90 Expression Pedal

Same thing happened to me but i didn't drop the pedal.Try to recalibrate the pedal cause mine worked after that.Look in the Owner's Manual at the recalibration section.Hope this will work for you.Good luck with it!

SOURCE: My DigiTech RP90 expression pedal isn't working at

If you are getting no display after you try powering up properly check the plug end of the power supply with the supply plugged in with a volt/ohm meter. You should get a reading of 9volts. If you don't ,your power supply is not working. Sometimes the wire breaks where it goes into the supply and sometimes where it goes into the plug. Your power supply jack may be broken where it is soldered to the circuit board. If the unit has power you can do a factory reset. The procedure is on page 34 and 35 of the owners manual that you can download for free here:ftp://ftp.digitech.com/pub/PDFs/Manuals/RP90/RP90Manual18_0490_A.pdf Let me know if this helps.

SOURCE: expression pedal wont work

Here is a link with a source for the manual on the right of the page:http://www.digitech.com/products/Bass/bp200.php Further information can be found at support at the top of the page.

SOURCE: my alesis sr-16 won't power

Likely the input rectifier and filter in the SR16 has shorted diodes or caps. Should be easy fix for a competent electronics tech.