Re: [vintagesynthrepair] Re: Prophet 5: -15v voltage rail is shorting...
2007-11-04 by scott frye
PS: Thanks SO much for the service manual too gil_we wrote: Sure, here a direct link to the manual (to big to
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Re: [vintagesynthrepair] Re: Prophet 5: -15v voltage rail is shorting...
2007-11-04 by scott frye
Most likely Gil...More brainwaves tomorrow. Music practice 2nite gil_we wrote: Sure, here a direct link to the
Re: Prophet 5: -15v voltage rail is shorting...
2007-11-04 by gil_we
Sure, here a direct link to the manual (to big to upload): http://www.hylander.us/images/schematics/sequential/Profit5v3TechManua l.pdf The PS was connected to
Re: [vintagesynthrepair] Re: Prophet 5: -15v voltage rail is shorting...
2007-11-04 by scott frye
Are there a number of diff places that the -15 connects to in the synthe? and, can you disable certain sections of the synthe by pulling connectors? gil_we
Re: [vintagesynthrepair] Re: Prophet 5: -15v voltage rail is shorting...
2007-11-04 by scott frye
Unless the circuit was connected to a load , I dont think that would cause any failures. Does someone have a schematic that I can see? gil_we
Re: Prophet 5: -15v voltage rail is shorting...
2007-11-04 by gil_we
Thanks, there s no short read between ground and -15 rail on the board, when cap is removed. The PS supplies -15v when unconnected. The rating of the tantalum
Re: [vintagesynthrepair] Prophet 5: -15v voltage rail is shorting...
2007-11-04 by scott frye
Tantalums are not at all forgiving in a reverse bias OR over-voltage setting. Remove the cap and see if you actually have a short circuit first. Then make sure
Prophet 5: -15v voltage rail is shorting...
2007-11-03 by gil_we
Hi all, I m trying to solve a problem with a P5 I just got. It looks like the -15v rail on the main board is shorting. Each time I ll power it up, the 10uf
Eminent Solina Bushings
2007-11-02 by mrjdevries
Anybody out there know what type of bushings these guys use? A few keys are getting rather klacky. Cheers Mike
Re: [vintagesynthrepair] Re: Korg Polysix question
2007-10-30 by scott frye
A good starting point is : resolder the points where the pot is soldered into the circuit board assby. Then find the next components in the ckt that the pot
Re: Korg Polysix question
2007-10-29 by ianjameshicks
yes, it is with the other controls ... wrote: Hi, ... fixed ... I ve ... to ... any
Prophet VS voice
2007-10-29 by areadelsol
Hello from San Antonio TX! I have really been enjoying this group, thank you to all participators. I recently bought a Prophet VS on eBay. My problem is that
Re: Korg Polysix question
2007-10-29 by gil_we
Se on the schematics which IC is directly connected with the problematic pot and replace it. ... fixed ... to ... any
Re: [vintagesynthrepair] Korg Polysix question
2007-10-29 by scott frye
Hi Ian, Is the pot soldered to some main board assby with other controls? And, do you have any pics of the area where the pot is? ianjameshicks
Korg Polysix question
2007-10-29 by ianjameshicks
Hi, I have a polysix that suffered the battery problem, it has been fixed and sounds great but after the last time I took it to the tech, I ve noticed that the
Re: [vintagesynthrepair] Re: Arp Axxe s/h question...
2007-10-24 by John Wieczorek
oxygeno, I believe that this is the correct behavior on the Axxe. There s only one s&h circuit inside and it s switched between the keyboard CV input/gate or
Re: Arp Axxe s/h question...
2007-10-24 by oxygeno1313
Hey.. i have the same problem... is this is correct ? I have an ARP AXXE MK1. regards, ... for ... switch ... buss ... that ... or ... then ... and
ARP Axxe QUESTIONS !!
2007-10-24 by oxygeno1313
Hi all... i have recently got an ARP Axxe MK1 ... i was testing the synth but i ofund something that i don t know if this is normal. 1. When i turn ON the
Re: [vintagesynthrepair] Re: Dead PS board in DX7
2007-10-23 by Scott Rider
That is glue. Tall parts were generally glued down so their high center of gravity wouldn t end up cracking the board or otherwise weaken their connection to
Re: Dead PS board in DX7
2007-10-23 by pcbye111
Greetings: I have all the PS parts in stock to rebuild the PS in a MkI and a MkII, along with most other Yamaha s and BB s. All the parts are new/fresh OEM
Re: [vintagesynthrepair] Re: Dead PS board in DX7
2007-10-22 by Roy J. Tellason
... That s a goop that they use to put the caps in and hold them in place until they can be soldered, very common in stuff of japanese manufacture. But
Roland AT10s
2007-10-22 by Tom Thornton
Anyone have any kind of manual or service bulletins for the Roland AT10s Organ Atelier made in Italy. I have two ( on home and one at regular play location
Re: [vintagesynthrepair] Re: Dead PS board in DX7
2007-10-22 by PeWe
Please put it in the files section of the group ! thx in advance PeWe
Re: [vintagesynthrepair] Re: Dead PS board in DX7
2007-10-22 by GB
The goopy stuff around the caps is just glue to keep them in place.
Re: Dead PS board in DX7
2007-10-22 by narfman96
I posted the DX7II power supply component view and parts listing in the files section. There are several boards listed for the U.S. Canada and Europe. I don t
Re: Dead PS board in DX7
2007-10-22 by synapticdistortion
... Thanks for posting that, Jean-marie. Unfortunately, mine looks to be a bit different from those schematics. Perhaps they are only representative of the
Re: Dead PS board in DX7
2007-10-21 by painintheamp
... THANKS Jean-marie!!! , Merci - vous , even
Re: Dead PS board in DX7
2007-10-21 by jim
As this can be usefull to other guys, I posted the DX7 schem in the file section. enjoy ! jean-marie
Re: Dead PS board in DX7
2007-10-21 by jim
Hi George ! If that can help you, I ve a .pdf document of the whole schematics of the DX7, with the value of componants. let me know if you want it, I can send
Dead PS board in DX7
2007-10-21 by . g . n . w .
Hello Folks, I recently acquired a free DX7FD-II, and it has a dead power supply board. There is no voltage at any of the outputs. The switch and on-board
Re: Service manuals: trade?
2007-10-21 by mrjdevries
Oh, and I meant the Emulator II service manual.. please please please.
Re: Service manuals: trade?
2007-10-21 by mrjdevries
Do you have the PDF of the Emulator II manual? Please pretty please. Ive pretty much got every service manual you have + a few more.. what you looking for?
Jupiter 8 - all bank leds flash at once...
2007-10-20 by gil_we
When I power my JP8 up, I can see all of the bank LEDs flashes at the same time... What could the problem be ? Malfunctioning with the automatic tuning ?
Re: Installing CV/Gate control for Roland SH-1000?
2007-10-19 by duncan
... 1.2volts/octave, So if we want to interface it with the real world or standard 1v/oct synths, will have to put in a scaling buffer???
Re: Installing CV/Gate control for Roland SH-1000?
2007-10-19 by mrjdevries
... I ve got a SH-1000 & the schems. I m pretty keen to get it CV d up to, but i ve been so busy with other projects. I m not 100% sure, but it s my
Need suggestions - Matrix 6 plays random sounds
2007-10-18 by gil_we
Hi all ! I got a Matrix 6 which has suffered some rust on its computer board, could be that it had some rain going over it in the past... I cleaned the
Installing CV/Gate control for Roland SH-1000?
2007-10-18 by ianjameshicks
Hi, does anyone have any tips for doing this? or schematics? Thanks, Ian
Re: [vintagesynthrepair] Re: WTB: Prophet 5 rev 3.2 Power Supply
2007-10-14 by PeWe
Hi Gil ! I don´t understand your question here. In my former posts I mentioned clearly, - I have the transformer only. And yes, - it´s exactly the
Re: WTB: Prophet 5 rev 3.2 Power Supply
2007-10-13 by gil_we
ok I uploaded the photo to the files section as well.... ... the ... adhesive tape. ... steel frame. ... word SIGNAL ... other ... the
Re: WTB: Prophet 5 rev 3.2 Power Supply
2007-10-13 by gil_we
Hi, Thanks !! I don t have a power supply at all so I can t tell, but I do have this picture - http://download-
Re: [vintagesynthrepair] Re: WTB: Prophet 5 rev 3.2 Power Supply
2007-10-13 by PeWe
Hi Gil ! I´ve found it so far, - I found 3 different transformers here but the one you need must be this: Manufacturer: Signal Transformer Co., Inc. 500
Re: WTB: Prophet 5 rev 3.2 Power Supply
2007-10-12 by gil_we
Thanks ! I ll readdly appreciate it if I could have it ;) ... here ... Prophet ... the ... Rhodes ... on ... and ... the
Re: [vintagesynthrepair] Re: WTB: Prophet 5 rev 3.2 Power Supply
2007-10-12 by PeWe
Hi ! I´ll look today for the transformer, - must be somewhere in a box here in my house. My own Prophet is gone since the mid 90th,- so I can´t test the
One key not working
2007-10-11 by billwolfer
It s not a vintage synth, but I figure that maybe some of you guys can help me out with this. After its last airplane trip, the A2 key on my Korg TR61 doesn t
Re: WTB: Prophet 5 rev 3.2 Power Supply
2007-10-11 by gil_we
If the unit still works I d love to buy it. Do you have the harness cable which goes between it and the main circuit as well ? Also, any idea if the v3.3
Re: [vintagesynthrepair] WTB: Prophet 5 rev 3.2 Power Supply
2007-10-11 by PeWe
I have an original Rev. 3.3 transformer only. We replaced it in a new unit by a toroidal transformer in the past. So the original was left over. If this would
WTB: Prophet 5 rev 3.2 Power Supply
2007-10-11 by gil_we
If you have one by any chance please email me, Thanks !
Re: Bay Area Synth Repair?
2007-10-10 by synthparts
I have not heard good things about CAE. They had my friends synth for over a year and it never got fixed. See if Greg in Oakland will work on an ESQ1 -
Re: Bay Area Synth Repair?
2007-10-10 by Marvin Jones
Check out CAE Sound in San Mateo http://www.caesound.com/ Anyone who s a Rhodes, Wurlitzer, Hammond fan should check out their custom repair and restoration
Bay Area Synth Repair?
2007-10-09 by ianjameshicks
Hi, can anyone recommend a place to get an ensoniq esq 1 worked on in the bay area? preferably off a BART line. Thanks! Ian