Hey Dieter, by caps do you mean capacitors?
Thanks,
Gary
Date: Sat, 9 Feb 2002 10:03:42 +0100
From: "Dieter Waechter" <pirat28@...>
Subject: Re: 2101: Memory problem
This is another problem... the caps become dry over the years.
You must meassure the hum- value (on the supply- voltages) ... and change
the caps.
Dieter
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To: gsp-2101@yahoogroups.com
Subject: [gsp-2101] Digest Number 81
Date: 9 Feb 2002 19:20:15 -0000
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There are 3 messages in this issue.
Topics in this digest:
1. Re: 2101: Memory problem
From: "Dieter Waechter" <pirat28@...>
2. Re: Control One questions
From: "Dieter Waechter" <pirat28@...>
3. Re: 2101: Memory problem
From: "Dieter Waechter" <pirat28@...>
________________________________________________________________________
________________________________________________________________________
Message: 1
Date: Sat, 9 Feb 2002 10:01:32 +0100
From: "Dieter Waechter" <pirat28@...>
Subject: Re: 2101: Memory problem
if that doesn't help change the RAM... you'll find it right to the
EPROMS....
Dieter
----- Original Message -----
From: "Marty McConnell" <martym@...>
To: "Digitech 2101 List" <2101@...-dod.com>
Sent: Friday, February 08, 2002 4:57 PM
Subject: Re: 2101: Memory problem
> Thanks Mark,
> I didn't think of that. It's probably very likely that's the case. The
electronics
> get warmed up and cooled quite often and with my ADA and Mesa 50/50 in
the
same
> case, there's quite a bit of heat generated. The memories are fine for a
while, so
> I think I'll take a look at the sockets. I've had plenty of experience
with a
> soldering iron. I'll try that this weekend.
>
> Alexandre,
> I'll keep that in mind. I don't know when I might get a Triaxis, and the
longer I
> can keep the 2101 hobbling along, the better chance I'll have of just
going and
> buying a G-Force or something like that too.
>
> Marty
>
> Mark Bratcher wrote:
>
> > Marty,
> >
> > A common problem in electronics is a case in which solder joints form
fine,
> > hairline cracks which then behave intermittently, often depending upon
whether
> > the circuit is warmed up. (You can't see the cracks except with a
magnifier.)
> > This is particularly the case for areas of a circuit that get warm,
such
as the
> > area in the GSP-2101 at or around the three power transistors.
> >
> > What I'd suggest is that perhaps the memory (DRAM) is OK, but just
needs
to have
> > the solder reflowed. You (or someone you trust with a soldering iron)
should
> > reheat each solder joint for the DRAM just to reflow it and that may
cure the
> > problem. Although it's probably tedious to do so, I'd also do the SRAM
(U74) and
> > the power transistors.
> >
> > I did this operation on an old RP-1 that I had as it would sometimes
behave very
> > erratically and it cleared up the problem. Even made an LED work that
was
> > previously failing.
> >
> > I don't think the memory is bad since I believe if it were bad, then it
would
> > consistently not work.
> >
> > Mark
> >
> > --
> > Mark Bratcher
> > ---------------------------------------------------------
> > Escape from Microsoft's proprietary tentacles: use Linux!
> >
> > Marty McConnell wrote:
> >
> > > Hey guys,
> > > I thought I'd see if anyone here know of this problem. Recently my
2101
> > > (LE w/ Artist upgrade) started freaking out upon power up. I could
> > > switch through the presets from 100 - 250, but couldn't access any of
> > > the user presets (the foot controller wouldn't work either -- I use
the
> > > Johnson J12 controller). And when I turned the wheel to my user
> > > settings, I would get some kind of "unknown parameter" error (not
sure
> > > of the exact error - I'm at work right now and don't have my 2101
> > > handy). The only thing I can do is a factory reset. It's like the
user
> > > memory was getting corrupted. I replaced the back up battery just a
few
> > > weeks ago and everything seemed fine, 'til last night. The night
before
> > > I was jamming with some guys, and it worked like a champ, then I left
it
> > > out in my car all night (in my garage) and last night at band
practice,
> > > it freaked on me again. It took an hour before I could even do a
> > > factory reset. I couldn't get the utility button to engage those
> > > options.
> > >
> > > Has anyone had memory chip problems or replaced the user memory ever.
I
> > > can't believe some mild cold would cause this thing to act like that.
> > > I'm about ready to say "good bye 2101... hello Mesa Triaxis!!"
> > >
> > > Thanks for any help...
> > >
> > > --
> > > Marty McConnell
> > >
>
> --
> Marty McConnell
>
>
> ====================< DigiTech 2101 Users Group >====================
> | To Post Messages to Group... TO: 2101@...
> |
> | To UNSUBSCRIBE, email... TO: majordomo@...
> | MESSAGE: unsubscribe 2101
> |
> | To Access MESSAGE ARCHIVES... TO: majordomo@...
> | (e.g. 2000,Jan) MESSAGE: get 2101 21010001
> |
> | To Report Problems... TO: 2101-owner@...
> =====================================================================
________________________________________________________________________
________________________________________________________________________
Message: 2
Date: Sat, 9 Feb 2002 09:59:27 +0100
From: "Dieter Waechter" <pirat28@...>
Subject: Re: Control One questions
----- Original Message -----
From: Maarten van Helden
To: 2120@...-dod.com ; 2101@...-dod.com
Sent: Friday, February 08, 2002 3:04 PM
Subject: 2101: Control One questions
Short questions for those who know (Dieter?):
1. Does anyone know what type of switches the C1 uses?. Are they
momentary or latching.
Yes- they are momentary and type is 4x11.5x11.5 mm 4 pin- button
2. Could these (with some mods ofcourse) be replaced with a "real"
stompswitch. Like the switches you see on the J12, Ground Control Pro, All
Access, Bradshaw? If so which type? SPST? Any chance of using a stompswitch
that "clicks", instead of the "clickless" one in the J12.
yes - but you need another housing for the FC1
3. How does the internal expression pedal work? Just like a volume pedal
with a pot, or is it light responsive?
No- there is a LED mounted on the pedal. and an photo transistior an the
board... when you press the pedal forward, the LED moves nearer to the
transistor. The value is read out by the INTEL- processor.
I'll soon will write an FC1- upgrade page... Software and so on...
THANX GUYZ.
Maarten
ps I'm trying to figure out if I can improve the C1.
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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to movement or mental processes akin
to mild paralysis. Though sk;rl may
manifest itself in many forms, typically
a sufferer loses ability to track time
and perform menial tasks.
<www.skirl.nl>
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
Digital Art <http://welcome.to/mvh>
Guitar Gear <www.vanhelden.demon.nl/gear>
sk;rl -m\ufffd-sick- <www.skirl.nl>
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
[This message contained attachments]
________________________________________________________________________
________________________________________________________________________
Message: 3
Date: Sat, 9 Feb 2002 10:03:42 +0100
From: "Dieter Waechter" <pirat28@...>
Subject: Re: 2101: Memory problem
This is another problem... the caps become dry over the years.
You must meassure the hum- value (on the supply- voltages) ... and change
the caps.
Dieter
----- Original Message -----
From: "Pessimist" <pess666@...>
To: "Marty McConnell" <martym@...>; <2101@...-dod.com>
Sent: Friday, February 08, 2002 5:55 PM
Subject: Re: 2101: Memory problem
> Someone mentioned cold being a problem -- have experienced this twice (of
> course at a gig) upon power up, the 2101 unable to pass signal for almost
1
> hour. -- was not having the display problems you mentioned though, and
was
> fine once the unit warmed up (had to borrow gear for the gig). Upon
sending
> it to the factory, it checked out fine --
>
> Just for the record, I put the 2101 to the test vs. the
Triaxis.....needless
> to say I still prefer the 2101 -- then again, I prefer the grunge dist.
> settings over the tube tones....triaxis didn't have enough gain, until
you
> turn it up then it gets too muddy....a bit pricey too at $1400.
>
>
> --
> PESSIMIST
> http://www.pessimist.com
>
>
> > From: Marty McConnell <martym@...>
> > Reply-To: Marty McConnell <martym@...>
> > Date: Fri, 08 Feb 2002 09:57:38 -0600
> > To: Digitech 2101 List <2101@...-dod.com>
> > Subject: Re: 2101: Memory problem
> >
> > Thanks Mark,
> > I didn't think of that. It's probably very likely that's the case.
The
> > electronics
> > get warmed up and cooled quite often and with my ADA and Mesa 50/50 in
the
> > same
> > case, there's quite a bit of heat generated. The memories are fine for
a
> > while, so
> > I think I'll take a look at the sockets. I've had plenty of experience
with a
> > soldering iron. I'll try that this weekend.
> >
> > Alexandre,
> > I'll keep that in mind. I don't know when I might get a Triaxis, and
the
> > longer I
> > can keep the 2101 hobbling along, the better chance I'll have of just
going
> > and
> > buying a G-Force or something like that too.
> >
> > Marty
> >
> > Mark Bratcher wrote:
> >
> >> Marty,
> >>
> >> A common problem in electronics is a case in which solder joints form
fine,
> >> hairline cracks which then behave intermittently, often depending upon
> >> whether
> >> the circuit is warmed up. (You can't see the cracks except with a
magnifier.)
> >> This is particularly the case for areas of a circuit that get warm,
such as
> >> the
> >> area in the GSP-2101 at or around the three power transistors.
> >>
> >> What I'd suggest is that perhaps the memory (DRAM) is OK, but just
needs to
> >> have
> >> the solder reflowed. You (or someone you trust with a soldering iron)
should
> >> reheat each solder joint for the DRAM just to reflow it and that may
cure the
> >> problem. Although it's probably tedious to do so, I'd also do the SRAM
(U74)
> >> and
> >> the power transistors.
> >>
> >> I did this operation on an old RP-1 that I had as it would sometimes
behave
> >> very
> >> erratically and it cleared up the problem. Even made an LED work that
was
> >> previously failing.
> >>
> >> I don't think the memory is bad since I believe if it were bad, then
it
would
> >> consistently not work.
> >>
> >> Mark
> >>
> >> --
> >> Mark Bratcher
> >> ---------------------------------------------------------
> >> Escape from Microsoft's proprietary tentacles: use Linux!
> >>
> >> Marty McConnell wrote:
> >>
> >>> Hey guys,
> >>> I thought I'd see if anyone here know of this problem. Recently my
2101
> >>> (LE w/ Artist upgrade) started freaking out upon power up. I could
> >>> switch through the presets from 100 - 250, but couldn't access any of
> >>> the user presets (the foot controller wouldn't work either -- I use
the
> >>> Johnson J12 controller). And when I turned the wheel to my user
> >>> settings, I would get some kind of "unknown parameter" error (not
sure
> >>> of the exact error - I'm at work right now and don't have my 2101
> >>> handy). The only thing I can do is a factory reset. It's like the
user
> >>> memory was getting corrupted. I replaced the back up battery just a
few
> >>> weeks ago and everything seemed fine, 'til last night. The night
before
> >>> I was jamming with some guys, and it worked like a champ, then I left
it
> >>> out in my car all night (in my garage) and last night at band
practice,
> >>> it freaked on me again. It took an hour before I could even do a
> >>> factory reset. I couldn't get the utility button to engage those
> >>> options.
> >>>
> >>> Has anyone had memory chip problems or replaced the user memory ever.
I
> >>> can't believe some mild cold would cause this thing to act like that.
> >>> I'm about ready to say "good bye 2101... hello Mesa Triaxis!!"
> >>>
> >>> Thanks for any help...
> >>>
> >>> --
> >>> Marty McConnell
> >>>
> >
> > --
> > Marty McConnell
> >
> >
> > ====================< DigiTech 2101 Users Group >====================
> > | To Post Messages to Group... TO: 2101@...
> > |
> > | To UNSUBSCRIBE, email... TO: majordomo@...
> > | MESSAGE: unsubscribe 2101
> > |
> > | To Access MESSAGE ARCHIVES... TO: majordomo@...
> > | (e.g. 2000,Jan) MESSAGE: get 2101 21010001
> > |
> > | To Report Problems... TO: 2101-owner@...
> > =====================================================================
>
> ====================< DigiTech 2101 Users Group >====================
> | To Post Messages to Group... TO: 2101@...
> |
> | To UNSUBSCRIBE, email... TO: majordomo@...
> | MESSAGE: unsubscribe 2101
> |
> | To Access MESSAGE ARCHIVES... TO: majordomo@...
> | (e.g. 2000,Jan) MESSAGE: get 2101 21010001
> |
> | To Report Problems... TO: 2101-owner@...
> =====================================================================
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Re: 2101: Memory problem
2002-02-11 by Gary Williams