Mailist to discuss all issues regarding the Digitech GSP-2101 Guitar FX Processor group photo

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Mailist to discuss all issues regarding the Digitech GSP-2101 Guitar FX Processor

Index last updated: 2026-04-28 23:25 UTC

Message

Re: [gsp-2101] GSP-2101 processor problem

2004-08-20 by Javi

Sometimes, if the source of AC doesn't have enough wattage
can cause the problems. Did you try connecting the unit in
a different location?
--- wulffert <mark@...> wrote:

> I have working on my 2101 for several months on and off
> so far. I 
> have v3.00 with the PPC installed (both are SDISC II). It
> has the 20 
> MHz crystal with 10 MHz Zilog (even though schematic
> calls for 
> hitachi). This unit one day decided to blow fuses (it
> only does this 
> sporadically), turns out the current draw is at the
> threshold, I put 
> a slightly larger fuse (I know a big no - no) but unit
> turns on and 
> nothing gets hot, so other than a slightly elevated
> current, I can't 
> find any shorted parts. Nothing works, front panel is all
> 8 8 8 and 
> blocks on the LCD. No communication with foot controller.
> Looks like 
> processor is running, I see acivity on address and data
> busses, on 
> all lines. I never see the CS line go low to the memory,
> although it 
> may at startup. Decoder chips seem to be ok. Anybody seen
> this before?
> I even tried the old V2.02 firmware, pulling the battery,
> factory 
> reset.
> 
> Mark 
> 
> 



		
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