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I have a Digitech wammy 4 v pedal the led light are going out i have 3 lights left how can i fix the led light the pedal works fine with out the lights

The led lights started going out one bye one the pedal still works but i cant tell what the setting is i have three lights working how can i make all the light work again

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Check the burned out LEDS with a 3 volt battery- a computer bios battery works well for these.

If they do not light, which is likely, just replace them with similar sized units. You can even change their color too. Measure the voltage at the LED sodler pads to see if it is more than 3 volts, if it is, add a resistor to drop the voltage and limit current to the replacements. Digikey sells them, and they ship around the world http://www.digikey.com or Mouser, Both are based in the US, I am not sure what Mouser's international shipping is. http://www.mouser.com

If there is no voltage at the LED pads, look for bad solder connections, or burned out resistors. If the few remaining LEDs still operate as they should, the level meter chip "should" be okay.

Posted on Feb 15, 2012

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Posted on Jan 02, 2017

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SOURCE: digitech rp6

Try contacting their service center rep at (801)566-8800. They might send you a schematic for the pedal if you explain your situation. They do recommend using the original power supply PS0912 which should still be available. Hope this helps.

Posted on May 26, 2009

larry james
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SOURCE: The correct order for Effects pedals.

Input guitar into the tuner then whammy type effects last into distortion effects then to the amp input.

Posted on Jul 17, 2009

  • 1 Answer

SOURCE: Digitech RP 90 foot switch is not working

I removed the back cover, unscrewed the two (of 4) screws holding down the circuit board, replaced them again, and it worked fine.

Posted on Nov 10, 2009

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The Digitech Trio seems to be frozen, when I start it the red light blinks slow, after pressing the pedal it starts to blink fast but will do nothing after that


This is almost always due to the guitar signal not getting to the TRIO guitar input. The fast blinking LED should go solid red on the first strum. Make sure your guitar volume is turned up and that if you have a volume pedal or tuner or any other effect between the TRIO and the guitar, that it is passing the signal.

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The digitech vocalist live 2 ,the left side button(reverb,enhancer) , activates the right side (harmony) LED's on the circuit board itself are lit up and nothing happens. t


The buttons are probably scanned as a matrix and possibly a circuit board has been cracked causing wrong data to go to the microprocessor in it. It is unlikely this will be a DIY fix so you should contact Digitech for a repair facility.

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1 Answer

My digitech rp 500 has power supply but it won't


Make sure you have the OFFICIAL Digitech power adapter. Universal adapters or those for MOST other pedals will NOT work... things may light up but you will NOT get audio. This unit requires an adapter supplying 9 VAC (not DC) at about 1 amp. These AC output adapters are not very common and people get the units without an adapter and try using universal adapters and they do not work. An AC adapter is used by Digitech so they can generate both plus and minus voltages internally. I don't know what your utility power voltage is in Cebu, so you need to get an adapter for your voltage that will give 9 VAC output and fit the power jack on the unit.

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The foot pedal (not the switches) on my "DigiTech RP90 Modeling Guitar Processor does not work...it will move but it changes nothing.


All DigiTech expression pedals use an optical system instead of potentiometers.

Either the light is broke, or the filter.

The filter protrudes from the bottom of the pedal, and is darker at the top and gradually fades to clear at the bottom. If this breaks off, then there's nothing to limit the amount of light to the optical system.

If it is the light, then you'll have to have it serviced by someone qualified to work on it. Your local music shop should be able to help you out.


Hope that helps!

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2 Answers

No vocal sound


It sounds like the guitar level input to the unit is too low.

NOTE: With this product you MUST use an amplified or electric guitar that has a preamp within it.

If you have a straight guitar that does not have an amp in it, buy a preamp to first run the guitar through.

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1 Answer

How do i fix my expression pedal on my digitech rp80?does it need a spring underneath it??? or is it read by sensor????


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.

Oct 07, 2009 | Music

1 Answer

After a few minutes of use, there is clipping and sound cutting out with the guitar through. Vocal and harmony are fine. I tried using different guitar cords, different guitars, different amps to no avail....


Hi,

I know you hate this answer, but it needs to be repaired. It has a circuit board inside, and there's really not a work-around. But it is broken. I totally understand about not wanting to send your gear out, especially if it's a pedal board you have set just right, and are completely usweed to using. You'll be a lot happier with it if you get it fixed though. Or find another one on eBay. I sold all me Digitech pedals when I got my Pod - but that's just me, I use a lot of distortions and it fit the bill better for me. I used Digitech pedals for about 20 years and thought I would hate anything else.

Take care.

Mark

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2 Answers

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!

Mar 29, 2009 | Music

3 Answers

Digitech RP 90 foot switch is not working


I removed the back cover, unscrewed the two (of 4) screws holding down the circuit board, replaced them again, and it worked fine.

Jan 11, 2009 | Music

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