From: Meat Plow on 11 Aug 2010 16:01 On Wed, 11 Aug 2010 14:14:05 +0100, N_Cook wrote: > Meat Plow <mhywatt(a)yahoo.com> wrote in message > news:pan.2010.08.11.12.19.16(a)hahahahahahahah.nutz.I.am... >> On Wed, 11 Aug 2010 08:22:10 +0100, N_Cook wrote: >> >> > Two of these known to the owner of this one have shown the same >> > symptoms, but never connected together in any way. The other one >> > apparently corrected by a factory reset (coincidence?) At switch on >> > the display continuously scrolls as though one of the up or down bank >> > select pedals >> > is active, ie looks like the action of someone continuously turning >> > the rotary encoder switch. >> > Have taken apart but not reassembled yet , unenclosed . Only 0.2mm >> > differentiating first touch to click over of the very basic click >> > switches under all the >> > foot pedals. The "wah-wah" switch is different action. Is it a stock >> > fault >> > of deflecting steelwork/pivot wear/bending pcb/expanding soft >> > inserts? causing engagement of these switches, then just washer >> > packings to correct >> > for a short time until the problem re-emerges) or something more >> > electronic/software or internal rotary encoder problem >> >> I never had any problems with my GT6. Used it to gig with from 06 to >> 08. >> >> >> >> -- >> Live Fast, Die Young and Leave a Pretty Corpse > > > I asked, at receipt, whether this one had been connected to a pc and it > had not. I've just asked whether it had been connected to a sequencer > and so maybe the other one had as well, transferring corrupted code. > This 6B same as the e-service 6 pdf as far as display is concerned , > buffers between uC and display seem to be operating correctly but still > scrolling with the switch and rotary board disconnected. No obvious ESR > problems, little much else to do, check a few V if 6 and 6B agree there. Well the 6B must have had a USB port if you are talking PC connections. Mine had no USB. I don't recall if you could upload new patches using MIDI as I never did. -- Live Fast, Die Young and Leave a Pretty Corpse
From: Meat Plow on 11 Aug 2010 16:05 On Wed, 11 Aug 2010 15:16:17 +0100, N_Cook wrote: > With all ribbons disconnected other than display one I noticed that the > display stabilised if "digital" fingering of the empty mainboard socket > for the ribbon that goes to the sw board and pair of analogue mx chips. > Reconnecting that ribbon the display still scrolled but tugging on the > fixed end of the ribbon stopped it. Resoldered the ends and display and > overall functioning seems normal, eg up/down bank buttons function, > unlike before. Nothing obviously wrong with solder or the crimp? > terminals to the wires that are also the solder points but something > wrong there. Not PbF but resoldered all 4 such ribbon fixed ends JIC. As > maybe generic Boss problem area they are no-name white "Harwin" 0.1 inch > type connector system for discrete wire ribbons, same crimp? system at > the fixed end (inserted into the housing then soldered to pcb) and > socket end , so standard sockets at one end and solderable thru-housing > and pcb pins at the other. So is it coincidence the other one was > playing up the same way and was genuinly cured by factory reset or same > wiring problem coincidently disappeared for the present on that one? Or > of course some other intermittant problem with this one coincident to > fiddling with one connector, the repairman's dilemma. Repairing (or not) > by divination in effect. > > I've now had word back that both units have only been connected analogue > to amps and guitars, no midi or digital connections. Not bought from > same supplier either. My 6 suffered road abuse. Was dinged and dented but never failed. Just an FYI. Don't think those problems were endemic to the 6 unless their were changes made to the 6B. -- Live Fast, Die Young and Leave a Pretty Corpse
From: Gareth Magennis on 11 Aug 2010 16:27 "N_Cook" <diverse(a)tcp.co.uk> wrote in message news:i3tj5q$14f$2(a)news.eternal-september.org... > Two of these known to the owner of this one have shown the same symptoms, > but never connected together in any way. > The other one apparently corrected by a factory reset (coincidence?) > At switch on the display continuously scrolls as though one of the up or > down bank select pedals > is active, ie looks like the action of someone continuously turning the > rotary encoder switch. > Have taken apart but not reassembled yet , unenclosed . > Only 0.2mm differentiating first touch to click over of the very basic > click > switches under all the > foot pedals. The "wah-wah" switch is different action. Is it a stock fault > of deflecting steelwork/pivot wear/bending pcb/expanding soft inserts? > causing engagement of these switches, then just washer packings to correct > for a short time until the problem re-emerges) or something more > electronic/software or internal rotary encoder problem > > Phone Roland Service dept, and speak to a person. If it is a common fault they will know about it. 01792 702 701 Gareth.
From: Gareth Magennis on 11 Aug 2010 16:41 "Gareth Magennis" <sound.service(a)btconnect.com> wrote in message news:WID8o.801$ww1.567(a)hurricane... > > > "N_Cook" <diverse(a)tcp.co.uk> wrote in message > news:i3tj5q$14f$2(a)news.eternal-september.org... >> Two of these known to the owner of this one have shown the same symptoms, >> but never connected together in any way. >> The other one apparently corrected by a factory reset (coincidence?) >> At switch on the display continuously scrolls as though one of the up or >> down bank select pedals >> is active, ie looks like the action of someone continuously turning the >> rotary encoder switch. >> Have taken apart but not reassembled yet , unenclosed . >> Only 0.2mm differentiating first touch to click over of the very basic >> click >> switches under all the >> foot pedals. The "wah-wah" switch is different action. Is it a stock >> fault >> of deflecting steelwork/pivot wear/bending pcb/expanding soft inserts? >> causing engagement of these switches, then just washer packings to >> correct >> for a short time until the problem re-emerges) or something more >> electronic/software or internal rotary encoder problem >> >> > > > Phone Roland Service dept, and speak to a person. If it is a common > fault they will know about it. > > 01792 702 701 > > > > Gareth. > > > After making sure, of course, it isn't a power supply issue..
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