The PDS was boxed with the PDS manual. When I got mine, I thought I got a PDS manual by mistake, so I called digitech and. I am fond of the Dod/Digitech PDS series delays. On paper there’s nothing too amazing – mid s 8-bit delays with 1, 2 or 8 (if you can afford. DigiTech PDS Two Second Digital Sampler: DigiTech PDS series» digital delay pedal», sampler pedal».

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The best picture I can find online shows a single 18 pin not 16 pin IC, but the label isn’t legible. The second win is the digitecj design.

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This pedal may well be digital, it can become self-oscillation, which is very cool. I already had an analog delay an Ibanez ADso I was pretty used to this kind of sounds. A surprising amount of 90s and early 00s delays can’t smoothly pitch-shift recorded audio when playing with the delay digitedh, and glitch or ddigitech somewhere through the pot travel.

I swapped this chip over from the other and it worked. With the new chip the delay rates could be carefully dialled in to 2 seconds pretty quickly. In contrast, we try to use the sampler mode, the problems appear. So once in Trigger mode, you must press the switch on the left to launch a digiech. Finally, a tribute all the same to the ancestor of the JamMan! Do you know where I can reorder it and which exactly to get?

Once the recorded phrase, therefore, we must switch to “Trigger” ie bending, super convenient I ordered a new 74HC04 and got two working pedals. Mateusz Rademacher 25 April at The delay loop in the PDS series is basically some ripple counters counting through memory addresses and resetting when the end of memory is reached.


Anyway, it’s extremely complicated to use for a result frankly not great This was in the worst condition. It was the beginning of the digital, so its still a big hue analog repetitions are quite dark.

This a soft-start for the 9V supply on the PDS Adjustment on trimpots is fairly coarse, so this can’t be dialled with really great precision but I find it much easier than trying to listen to the delay and sync to a stopwatch or something similar. The footswitches were also unreliable, so I replaced the microswitches. Digital Delay, yes, but vintage 200 delay! An input jack, a jack and a trigger input jack output.

With that, two footswitches: Sometimes I had to iterate and go back and forth between the two sets of pots.

Digitech PDS Delay/Sampler Pedal

Most of the tweaking is done on the lower global clock frequency trim, usually after making sure the delay pot is working throughout it’s whole range. Raju Solanki 16 April at First you must get in Sample mode which works like Normal modeswitch the pedal, play a phrase when that phrase is repeated, using the switch on the left 200 bring it into memory.

By using our services, you agree to our use of cookies. On paper there’s nothing too amazing – mid s 8-bit delays with 1, 2 or 8 if you can afford the PDS second maximum delay times.

Digitech PDS 2000?

The length of it depends on the manuap of the repeat range. Someone had already taken a crack at fixing it, it was missing knobs and a back panel. These delays could be built from scratch with new parts today, and they are very repairable.

Ja zehre a Chance that i could send oh to you for repair? I would like to see how this was implemented, as it should have 4x the memory of the PDS Namely that it’s already very hard to clean a sentence With Infinite Repeat function and the change in pitch when you move the knob Delay Time, There are enough really fun!


This means they get lost, and I have never actually seen one. There may be an “official” method for adjusting maximum delay length using a testpoint on the PCB but without a service manual I’ve come up with my own. This could have been a cultural difference, as Japanese manufacturers seemed to prefer going for custom ICs and offsetting the cost against using them in lots of products Yamaha have also done this.

This actually worked pretty well, but replacing these pots and running wires to the PCB pdx probably a better long-term solution.

Digitech pds manual pdf – Google Docs

Tweaking these delay pots brought the delay back to 1 second and adjustable through the full range of the delay pot. Everything is done with standard CMOS logic. Hi, This 2 second delay is a ton of fun! There are online discussions about modifying these pedals for longer delay times that usually involve tweaking digitsch delay pots away from nominal positions to get longer delays.

I got this in a box of failed repairs from a music store in the US some years ago and never did a lot with it until now.

At this point things appeared to work again, except the delay was very distorted and noisy. For now the phrase will be repeated ad infinitum. I messed around with compounder trimpot as I thought that may be distorting – no improvement. Another thing to note is that the pedal off the sound for a short period of time when using the dgiitech I haven’t seen a schematic for the Dititech 8 second delay.

I repaired 4 of these delays recently. Posted by krivx at

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