September 26, 2020

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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I am pretty noob at this but I know I can resolder it Delay time is varied by changing the frequency of the main clock signal that shifts digital samples into and out of DRAM memory. Extending the to 8 seconds may be possible depending on how extensive the differences are. Raju Solanki 24 April at Everything seemed maunal work, except that I couldn’t change delay ranges, it was stuck on the longest range 2 seconds.

This was in the worst condition. A surprising amount of 90s and early 00s delays can’t smoothly pitch-shift recorded audio when playing with the delay times, and glitch or “jump” somewhere through the pot travel. Sometimes I had to iterate and go back and forth between the xigitech sets of pots.

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 to bring it into memory. The length of it depends on the settings of the repeat range.

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Ja zehre a Chance that i could send oh to you for repair? Two knobs to adjust the volume of input and output, a switch to toggle between Normal, Trigger and Sample, three pots to adjust the mix, the Regen and Delay Time, and finally a switch to toggle between the last three patterns of delay: Please let me know if you have a PDS schematic or high-resolution board shots.


With the technology of the time. If it is used as a delay pedal, it is very simple: Once the recorded phrase, therefore, we must switch to “Trigger” ie bending, super convenient With the new chip the delay rates could be carefully dialled in to 2 seconds pretty quickly. This a soft-start for the 9V supply on the PDS Delay time is adjusted by 3!

Write a user review Ask for a user review. Subscribe to our free newsletter Subscribe. The 1Meg trimmer for clock frequency was also broken off. I replaced with long-leg alpha pots. Mateusz Rademacher 25 April at In contrast, we try to use the sampler mode, the problems appear.

By using our services, you agree to our use of cookies. Digital Delay, yes, but vintage digital delay! Ram Chauhan 28 June at Hi, This 2 second delay is a ton of fun! Here is a braindump: Tweaking these delay pots brought the delay back to 1 second and adjustable through the full range of the pdd pot.

It was the beginning of the digital, so its still a big hue analog repetitions are quite dark. This one was partially working when I got it.

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. After replacing pots I found that delay time wasn’t working because of broken trace, I ran some Kynar wire to restore it. Anyway, it’s extremely complicated to sigitech for a result frankly not great 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.

All of the pedals in this series came with snap-in plastic battery doors that are not held captive by the enclosure i. D The sample function is useless, especially nowadays with all the pedal sampler format that exist and pss really excellent There are two features that maanual me over.


This just needed some soldering to bring it back. Newer Post Older Post Home.

I swapped this chip over from the other and it worked. It is here also that the Trigger Diitech makes sense Produced in the 80’s, one of the first of its kind!

Lopsided’s review – DigiTech PDS Two Second Digital Sampler – Audiofanzine

At this point things appeared to work again, except the delay was very distorted and noisy. Everything is done with standard CMOS logic. I replaced the footswitches and bent the retaining lug on the output jack I may go back and replace this so that it was a usable effect. This could have been a cultural difference, as Japanese manufacturers seemed to prefer going for mznual ICs and offsetting the cost against using them in lots of products Yamaha have also done this.

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.

Digitech PDS 2000?

I haven’t seen a schematic for the PDS 8 second delay. I would like to see how this was implemented, as it should have 4x the memory of the PDS So once in Trigger mode, you must press the switch on the left to launch a sample. Someone had already taken a crack at fixing it, it was missing knobs and a digltech panel.

I repaired 4 of these delays recently.