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

----- Original Message -----

From: Nestor

To: gsp-2101@yahoogroups.com

Sent: Thursday, October 30, 2008 5:37 PM

Subject: [gsp-2101] Re: Stability issues

Hello again,
I replaced the regulators with no luck, with the new trio the unit
behaves exactly the same. I think it must be a bad contact somewhere
near the Z80, SRAM and firmware chips, because if I touch over these
chips with a finger and bend a little the PCB board, the unit hangs.

It can't be a corrupted settings issue because sometimes the unit
shows strange chars immediately after power on. I took two pictures:

http://img205.imageshack.us/img205/3073/pa290002lm0.jpg

http://img205.imageshack.us/img205/729/pa290003ci2.jpg

What should I do?

Greetings and thank you again for your support.

--- In gsp-2101@yahoogroups.com, "Nestor" ...> wrote:
>
> Today the unit locked up, auto rebooted and then the midi assignments
> were corrupted. I'll replace the voltage regulators this week.
>
> Thanks for the advice Sean!
>
>
> --- In gsp-2101@yahoogroups.com, "krazydog" wrote:
> >
> > Nester if you have similar issues again, it could be your voltage
> regulators.
> > They tend to go after awhile. They went on mine & I experienced the
> same problems but eventually even worse.
> > Heat seemed to be the enemy as I used to keep a fan blowing on the
> unit which helped but it was only a Band-Aid solution.
> > After I changed out the voltage regulators, the unit runs as new
> with no fan needed.
> >
> > Cheers
> > Sean
>; >
> > ----- Original Message -----
> > From: Nestor
> > To: gsp-2101@yahoogroups.com
> > Sent: Saturday, October 25, 2008 7:40 AM
> > Subject: [gsp-2101] Re: Stability issues
> >
> >
> > Hello again,
> > after upgrading the unit with a PPC-210 (bought from second hand
> > market , but it's a Dieter card) the issues seem to be corrected.
> > Perhaps the 3.00 firmware is not 100% stable without the PPC
expansion
> > installed?
> >
> > Anyway, thank you for the suggestions.
> > Greetings from Spain.
> >
> > --- In gsp-2101@yahoogroups.com, "Graham Pearson" wrote:
> > >
> > > Hello Nestor:
> > >
> > > Nobody can be sure exactly what is wrong with your unit. So try
> > some easy and inexpensive fixes first:
> > >
> > > A. Perform a factory reset.
> > > 1.. Power off your 2101
> > > 2.. Press and hold function (access) key [1] while powering on
> > your 2101
> > > 3.. Wait until the asterisk * appears in the top-left corner of
> > the display
> > > 4.. Release function key [1]
> > > 5.. Press the Program Up button to complete the Factory Reset
> > > B. Replace the battery (button cell) with a new CR2032 or
> equivalent.
> > >
> > > C. Clean the DATA wheel contacts, using an aerosol electrical
> > contact cleaner. Squirt the aerosol into any holes in the DATA wheel
> > and then rotate the wheel randomly until the spray has evaporated.
> > >;
> > > If none of these steps rectifies the problem, I suggest you return
> > your GSP-2101 to a repair center or to DigiTech in Sandy, Utah.
> > DigiTech has always been very reasonable about repairing their
> > discontinued products.
> > >
> > > I hope this helps. Please let us know how you get your unit up and
> > running again.
> > > Graham
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: Nestor
> > > To: gsp-2101@yahoogroups.com
> > > Sent: Tuesday, July 29, 2008 5:12 AM
> > > Subject: [gsp-2101] Stability issues
> > >
> > >
> > > Hello group,
> > > this is my first post since I joined the community. First of
all, I
> > > must excuse about my English because is not my mother language
(I'm
> > > from Spain).
> > >
> > > I purchased a second hand GSP-2101 some months ago from guy in a
> local
> > > guitar gear forum. I received the unit without the top cover,
> with no
> > > tubes and the tube retainers where missing. Except that, the
unit is
> > > functional, but it "locks" randomly when changing presets
using the
> > > wheel, entering / exiting the tuner, sending midi controls or
> storing
> > > changes to memory. These locks only affect to the control
chip, the
> > > unit doesn't react at any button (except power, of course) but the
> > > preamp and the algorithm keep working. Sometimes, after the
hang up
> > > the unit will not power up correctly, showing strange
characters in
> > > the screen after boot up, but turning off and waiting some minutes
> > > makes rid of this problem.
> > >
> > > Any clue of what makes this strange behaviour?
> > >
> > > Regards,
> > > Nestor.
> > >
> >
>