Yes- capacitors. ----- Original Message ----- From: "Gary Williams" <garynwilliams@...> To: <gsp-2101@yahoogroups.com> Sent: Monday, February 11, 2002 1:34 AM Subject: [gsp-2101] Re: 2101: Memory problem > 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 > > > > > ----Original Message Follows---- > From: gsp-2101@yahoogroups.com > Reply-To: gsp-2101@yahoogroups.com > To: gsp-2101@yahoogroups.com > Subject: [gsp-2101] Digest Number 81 > Date: 9 Feb 2002 19:20:15 -0000 > > To unsubscribe from this group, send an email to: > gsp-2101-unsubscribe@egroups.com > > > ------------------------------------------------------------------------ > > 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. > > :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: > [sk;rl]: Temporary loss of or impairment > 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@... > > ===================================================================== > > > > ________________________________________________________________________ > ________________________________________________________________________ > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > > > > _________________________________________________________________ > Join the world's largest e-mail service with MSN Hotmail. > http://www.hotmail.com > > > > To unsubscribe from this group, send an email to: > gsp-2101-unsubscribe@egroups.com > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > >
Message
Re: [gsp-2101] Re: 2101: Memory problem
2002-02-12 by Dieter Waechter