RE: Waldorf Pulse repair
2013-10-03 by <nico678@...>
Hi, I uploaded it in the file section. Hope this helps ---In vintagesynthrepair@yahoogroups.com, wrote: Somehow my message to Nico678 is not
Messages
Browse messages
Page 16 of 155 · 7723 messages matched
RE: Waldorf Pulse repair
2013-10-02 by <kloopy@...>
Somehow my message to Nico678 is not visible. Again thanks for the offer, could you please send me the file to kloopy@net.hr or post it here into files? Thanks
RE: Waldorf Pulse repair
2013-10-02 by <kloopy@...>
Thanks, I tried it already and it didn t help. Something is dead. All ICs are soldered down so I ll have to be careful with removing them when I locate the
RE: Waldorf Pulse repair
2013-10-02 by <kloopy@...>
Hi, could you please send it tto kloopy@net.hr or attach it here as a file for everyone if you feel it s appropriate? Thank you very much, K runo ---In
Re: [vintagesynthrepair] RE: Dead PS board in DX7
2013-10-02 by Roger J
Typically the feedback cap drys out. It is typically 22uf or 47uf in this circuit. Other caps may also be going south. This is also a good time to
RE: Need urgent help: Juno 106 key contact broken lead under rubber
2013-09-30 by <nico678@...>
Hi, I think the best solution is to use conductive paint to repair the contact beetwen the pad and the trace. You can use Caikote 44:
RE: Dead PS board in DX7
2013-09-30 by <nico678@...>
Hi, What I would do is to first disconnect the power supply board from the motherboard because there might be a short. Then check if you have DC voltages at
RE: Waldorf Pulse repair
2013-09-29 by <nico678@...>
Hi, I have the schematics if you need it. Nicolas ---In vintagesynthrepair@yahoogroups.com, wrote: I would try a reset first. To initialize
Re: [vintagesynthrepair] Need urgent help: Juno 106 key contact broken lead under rubber
2013-09-29 by Kevin Doheny
Interesting configuration. What are those semi-circles made of, and how are they affixed to the PCB? There s really no significant current flow here, so if
Need urgent help: Juno 106 key contact broken lead under rubber
2013-09-29 by <gilwe@...>
Hello friends. Today I took my beloved Juno 106 out of storage to prepare it for a show. Checking the keyboard I found one dead key. I took the keyboard, key
RE: Dead PS board in DX7
2013-09-29 by <narfman96@...>
The mk1 power supply gets quite warm. This also can lead to bad solder connections. ---In vintagesynthrepair@yahoogroups.com, wrote: I had an
RE: Waldorf Pulse repair
2013-09-29 by <narfman96@...>
I would try a reset first. To initialize the Pulse: - keep the Mode Button pressed during power up - then hold the shift key down and select the Menu
RE: Dead PS board in DX7
2013-09-28 by <kloopy@...>
I had an issue with power supply on my DX7 MK1 and it was dry joints on low power output. Hope that may help someone. K ---In
Waldorf Pulse repair
2013-09-28 by <kloopy@...>
Hi all, My first post and glad to be here. I have two Pulse synths with similar symptoms. One has envelope full open and it s not reacting to midi velocity,
RE: Spam appearing
2013-09-27 by <ALVAROANGELO@...>
Thanks ! Just banned. Alvaro Angelo ---In vintagesynthrepair@yahoogroups.com, wrote: Hi, moderator! I see the Singles
Spam appearing
2013-09-24 by <barndoorproductionstheatre@...>
Hi, moderator! I see the Singles in your area spam suddenly appearing and hope that you can find a way to stop it. Three or four forums that I ve been part
Re: [vintagesynthrepair] Moog MG1 replacement transformer?
2013-09-16 by pushwithlegs
Thanks for the help folks. To clarify i was referring to the internal transformer as suggested earlier in the thread. I ve received one in mail but haven t yet
Roland SH-101 Gate + Trig problem
2013-09-16 by Nicolas
Hi everybody, I have a SH-101 that was very noisy (hiss and hum). I replaced all the electrolytic filter capacitor and that really fixed the noise problem.
Moog MG1 replacement transformer?
2013-09-16 by HUNTER, MICHAEL
Jameco makes a perfect replacement (I have one) and it work with the Rogue and the Taurus II (Rogue on a stick.) So, it is likely to work for the MG-1 also. It
Re: [vintagesynthrepair] Keyboard assembly , Korg C2500,3500,5000
2013-09-15 by Roger J
This series uses Yamaha circuit boards and a Yamaha keybed, would you like a copy of a Yamaha manual that uses the same keyboard assembly?, so a ... This
Re: Hammond piper
2013-09-15 by Nicolas
Hi, I just uploaded them in the file section. Nicolas
Re: Keyboard assembly , Korg C2500,3500,5000
2013-09-15 by scott frye
Several pages of non-descript text. Hopefully youre not trying to crash something ... -- Scott Frye Audio-fixation.net Vermont
Re: Keyboard assembly , Korg C2500,3500,5000
2013-09-15 by scott frye
Nothing came through , Roger -- Scott Frye Audio-fixation.net Vermont
RE: Re: [vintagesynthrepair] Isolation transformer / variac during restoration
2013-09-15 by <sneakyflute@...>
I think the point of using a variac is so that you can gradually reform old, dried out capacitors. If they get the full voltage when dry, you kill them. if you
Re: [vintagesynthrepair] Isolation transformer / variac during restoration
2013-09-15 by Tom Butcher
Thanks for the info and feedback! I guess I ll just throw the switch when I m ready and see what blows up.
Re: [vintagesynthrepair] Isolation transformer / variac during restoration
2013-09-14 by kslinkard@...
I ve heard a couple of sources recommend using a variac to gradually increase the voltage from zero to full over 24 hours to break in new or long unused
Re: [vintagesynthrepair] Keyboard assembly , Korg C2500,3500,5000
2013-09-14 by Roger J
Look like this assembly? ... Look like this assembly? From: painintheamp@gmail.com To: vintagesynthrepair@yahoogroups.com Sent:
Re: [vintagesynthrepair] Isolation transformer / variac during restoration
2013-09-13 by 65 Lotus
I d like to hear someone s explanation why you would want to do this. It you re concerned about thermally shocking an old circuit, simply unplug the power
Isolation transformer / variac during restoration
2013-09-13 by Tom Butcher
Hi list, I m getting my feet wet with restoration and repair. I mistakenly bought a broken Oberheim DMX from Ebay and wound up accumulating some more parts
Re: Keyboard assembly , Korg C2500,3500,5000
2013-09-13 by Nicolas
Hi, Usually, with digital pianos, you have to first remove the screws at the bottom and on the sides to detach the top casing from the bottom casing. You
Re: Keyboard assembly , Korg C2500,3500,5000
2013-09-13 by Nicolas
Hi, Usually, with digital pianos, you have to first remove the screws at the bottom and on the sides to detach the top casing from the bottom casing. You
Keyboard assembly , Korg C2500,3500,5000
2013-09-13 by <painintheamp@...>
I have 4 keys I need to install I have the service manual but there are NO pictorals Help.........please..........Thanks
Re: Sequential Circuit Pro One UPD8021 chip
2013-09-12 by Nicolas
Hi, Thank you for replying. I think I found the problem. There was some key contacts that were touching the casing and it was triggering the arpegiator for
Re: Sequential Circuit Pro One UPD8021 chip
2013-09-12 by Nicolas
Hi, Thank you for replying. I think I found the problem. There was some key contacts that were touching the casing and it was triggering the arpegiator for
Re: Sequential Circuit Pro One UPD8021 chip
2013-09-12 by Nicolas
Hi, Thank you for replying. I think I found the problem. There was some key contacts that were touching the casing and it was triggering the arpegiator for
Re: [vintagesynthrepair] Re: Hammond piper
2013-09-11 by hector cabrera
No problem, I will wait ...thanks!! ________________________________ De: Nicolas Para: vintagesynthrepair@yahoogroups.com Enviado: Jueves,
Re: Hammond piper
2013-09-11 by Nicolas
Hi, I need to scan them first. I will only have access to a scanner this weekend. Can you wait a few days? Nicolas
RE: Re: Hammond piper
2013-09-11 by <nanodocl@...>
Hi Nicolas, I did try changing caps and transistors from the voicing board without luck. Can you please upload the schematics of the power amp board and th e
RE: Re: Sequential Circuit Pro One UPD8021 chip
2013-09-10 by <babouche369@...>
Typically sounds like the capacitor used to init the chip has drifted. My guess is the INIT pin is not maintained at low-level long enough. --- In
Re: Sequential Circuit Pro One UPD8021 chip
2013-09-10 by Nicolas
I received the P8021 chip that I ordered from www.musictechnologiesgroup.com for the Sequential Pro One synthesizer and that seems to work. The only small
RE: Re: [vintagesynthrepair] Re: Hammond piper
2013-09-09 by <nanodocl@...>
Thanks to all, I will put myself to do this in a few days. You will hear from me again, hoping with good news. N ano --- In vintagesynthrepair@yahoogroups.com,
Re: [vintagesynthrepair] Re: Hammond piper
2013-09-09 by Roger J
One note leaking is not on the voice board. It is on the keyer board for that note(each keyer handles 3 pitches for the right hand. Most likely a 1N4144
Re: Hammond piper
2013-09-09 by Nicolas
Hi, I think I had a similar problem one the piper that I repaired a few years ago. I think I replaced Q6, Q7 and C37 on the voicing board and D9 and C1 on the
Re: Hammond piper
2013-09-09 by Nicolas
Hi, I scanned a few files that I thought might be useful to solve this problem. I uploaded them in the files section of this forum. I think the problem might
Re: Hammond piper
2013-09-09 by Nicolas
Hi, I scanned a few files that I thought might be useful to solve this problem. I uploaded them in the files section of this forum. I think the problem might
Re: [vintagesynthrepair] RE: Re: Hammond piper
2013-09-05 by Roger J
Trimmer adjustment turning , bad idea. There are four similar circuit boards on a dog house door, two on the inside two in the outside. There is a
RE: Re: Hammond piper
2013-09-05 by <nanodocl@...>
I did check almost every component, surely I am missing something. Thanks for sending the schematics. I really appreciate Nicolas. Nano --- In
Re: Hammond piper
2013-09-05 by Nicolas
Hi, You probably have some leaky transistor or leaky caps in the solo circuit. I m gonna scan the pages related to that section and I m gonna send them to you
Re: Hammond piper
2013-09-05 by Nicolas
Hi, You probably have some leaky transistor or leaky caps in the solo circuit. I m gonna scan the pages related to that section and I m gonna send them to you
Re: [vintagesynthrepair] Alpha Juno 2 Aftertouch
2013-09-05 by Keith Winstanley
Have you checked it s actually connected? A lot were not socketed, mine wasn t Keith iPad2