80s Synth Pop on a fully restored Red Juno 106

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video by Ronnie Augeri

"Original synth pop composition written and recorded by Ronnie Augeri on a fully overhauled Juno 106, featuring a stunning custom red livery. This synth has had endless hours of excruciating detail put into it, and is currently for sale. [listed here]

Shoutout and thanks to my friend Allen over at synthspa for putting together this beautiful red enclosure and overlay for me! https://synthspa.com/​ Big thanks to my friend Dom for mixing and mastering this track on such short notice and doing an awesome job. Check him out! https://dominicdelore.com/"

This one was sent my way via Brant.

SN 473945 via this auction

Pics of the inside below.

"Completely overhauled Roland Juno 106 in a custom red livery. Synth is as close to brand new as you can get. This is not your average restoration and has countless hours of excruciating detail put into it.

The power supply was fully rebuilt with 5000 hour Nichicon caps, all electrolytic and ceramic caps replaced along with the voltage regulators and dual regulator controller.

I originally tried new replacement sliders and although they worked perfect, I was not impressed with the tactile feel. As a result, all 17 original ALPS sliders were completely disassembled, thoroughly cleaned, lubricated with quality silicone grease and reassembled. They have an incredibly smooth and firm feel. The panel board also features 34 new tactile switches, and 3 new alps 2 position slide switches. The 3 mini sliders on the bender board were also disassembled, cleaned, and lubricated.

Every board was stripped, thoroughly degreased, and washed. They have a glossy sheen appearance like they would from the factory.

All 6 voice chips are original and have had the conformal coating stripped. Each voice chip was completely reflowed and installed on pin headers for easy removal or swapping. The synth was burn-in tested for 8 hour periods on several different days, absolutely no issues.

CPU board has new battery installed.

The entire keybed assembly has been completely stripped. Every single key was hand washed/degreased and polished. The keys are the whitest I have seen, this board appears to have very little use and was kept away from the sun. All rubber dome contacts despite working, were removed, and thoroughly cleaned. The carbon tracks on the keyboard assembly were also cleaned. This is a future proofing process which will insure several more decades of reliable note triggering.

A 3 prong standard IEC receptacle has been installed and a quality brand new power cable is included.
All solder joints have been inspected and common control areas have been reflowed. All potentiometers have been cleaned.

Full calibration performed, no crackle in the chorus!

The synth is 100% functional and is in perfect cosmetic and electronic condition."

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ROLAND Juno-106 Vintage Analog Synth SN 566751

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via this auction
tokywax (RSS)

"Up for sale is ROLAND Juno-106 the "classic" analog synthesizer.
Probably one of the best polyphonic analog synths available, sounds great and easy to play. There was a constant noise without playing a key when I turned the unit on, so I ran the unit in test mode. It seems like voice chip number 2 is not working properly with voice chip number 1 having hanging note. I also noticed voice chips number 3 and 6 are becoming weak/unstable, so you would probably need the voice chips replaced."

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Custom Painted Roland Juno-106

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via this auction

"This Juno 106 was completely overhauled by the Synthspa: voice chip repair, battery holder change, blue LEDs with light bender, power supply recap, and loaded it with some of the best Juno 106 patches around.

Once I had it back I had another company, Dick Malibu do a fantastic paint job on it. This is real paint--not a sticker job.

Condition-wise it looks near perfect. If you look very closely you can see a few blemished and some the touch up work, but from a standing distance the body looks near perfect!"

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Roland JUNO-106 Vintage Analog Synthesizer - Voice Chip Restored

Published on Sep 26, 2014

"Roland JUNO-106 Vintage Analog Synthesizer - Voice Chip Restored Fully Working"

What's the display doing?

Juno Voice Chip Test

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YouTube Published on Aug 12, 2012 by Serpentor68

"Checking voice chips 1-6 on the Juno 106 in rotary mode."


via this auction

"Roland Juno 106 in nice shape with all 6 voice chips in working order. Recently calibrated."

Vintage Roland Juno-106 Analog Synthesizer Serviced SN 565952

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via this auction

"Up for sale is a Roland Juno 106 in damn good condition both operationally and aesthetically. The dreaded voice chip issue is nonexistent and the body/panel is in great shape. I've done my best to document any imperfections - the biggest issue is some small fading on the bender panel and some little marks on the left end cheek.
All voice chips restored with acetone wash and given new gold plated headers
Chorus BBD chips replaced with identical NOS Panasonics for lower noise
Voice board has been socketed for easy chip removal/replacement
All keys/caps/knobs/buttons have been removed and cleaned, internals have been cleaned (hooray! no 30 year old dead skin cells!)
All tact switches on the front panel have been replaced."

Rosen Sound Synth Demos & Restorations

Published on Jul 28, 2018 Rosen Sound

This one in via Soviet Space Child.

www.rosensound.com/rentals

Playlist:
1. Oberheim OB-X - Rosen Sound Demo

The OBX was the first major "answer" to the Prophet 5 synthesizer, and at least in our opinion, was the best answer anyone could've given.

The OB-X is based on the basic design of the (S)ynthesizer (E)xpander (M)odule also from Oberheim. Like the SEM, it features two discreet VCO's with saw and pulse, two envelopes, and the low pass section of the SEM filter. It also added noise, a release control, and cross modulation (similar to the Prophet's cross mod). The prophet's cross mod was a bit more dynamic, though. A flexible LFO section is also featured.

None the less, the OBX is in a species all of it's own in many ways. It's one of the very few mostly discreet programmable polyphonic synthesizers, and more than that spec, it sounds unique and absolutely marvelous.

Our unit features encore midi

Book your rental package with Rosen Sound and see the rest of our synth catalog at www.rosensound.com/rentals

2. Moog Minimoog - Rosen Sound Demo

3.SCI Prophet 5 - Rosen Sound Demo

In a lot of ways this needs no introduction. One of the most iconic poly synths ever made, and the first synth to offer true programmability with polyphonic architecture.

The Prophet 5 offers your basic amenities in a poly synth with 5 voices each with 2 VCO's, a low pass VCF, a VCA, two EG's, one LFO with multiple wave shapes available, with POLY MOD as the icing on the cake. This lets you make FM type sounds and is part of what makes the prophet 5 unique.

Our unit features factory midi

4. Oberheim Four Voice - Rosen Sound Demo

This in our opinion is one of the finest synthesizers ever made in terms of overall sound. The features are of course many and the synth as a whole is very flexible and powerful, but the sound it outputs is nothing short of mesmerizing.

The FVS features 4 Synthesizer Expander Modules (SEM) each representing a polyphonic voice. This means for one patch, each SEM must be setup identically. This may seem like too much, but it's actually a very enjoyable process that causes you to think different about the patch your making, the polarity of your modulation per voice, and subtle differences you can set.

The synth can also be used in a powerful unison mode, allowing each SEM to be adjusted separately for a crazy 4x dual oscillator synthesizer each with a multi mode filter to be fired at once.

Each SEM is as or more powerful than your standard mono synth, featuring 2 oscillators with saw and pulse each, PWM, FM, 1 LFO, two EG's, a bi-polar filter modulation control, and the sweetest Oberheim filter ever made featuring a bandpass filter and a sweepable LP-HP filter. These filters are special in the way that when the resonance is turned up, there is no loss of volume or low end.

Additionally, our FVS is an early model with no programmer (a feature loathed by many anyway). Instead, it features 2 dual mini sequencers with a common clock available. This means you can do 8-step 4 note poly sequencing between the four SEM's, or split the keyboard with one sequencer playing 1 SEM and 3 note chords on the other side of the keyboard.

Functionally, our FVS is very much in tune and has been stabilized to survive travel and tuning consistency. It is in tune as soon as it's turned on, and we provide a quick start guide for our rental customers to learn how to easily program and tune the machine.

Our FVS also features MIDI in via a modified YARN's module installed inside. This allows through basic midi and if desired (more complicated) midi scripts to play it polyphonically (default on boot), sequence each SEM assigned to a separate channel (enabling MPE), or played in Unison. All of these features can be harnessed by utilizing SYSEX or the Yarns editor, all which is provided on a thumb drive for rentals.

5. Moog Memorymoog - Rosen Sound Demo

To start, let's forget the internet-lore or an "unreliable" and "impossible to tune" machine. Our service shop is known worldwide for our work on Memorymoogs and stabilizing them for real production use.

Now, let's introduce you to (what we consider) the pinnacle of Moog synthesizers. With 3 oscillators + ladder filter per voice, flexible and intuitive modulation, and a knob per function, the Memorymoog is not a force to be reckoned with, and is in what we consider to be the top 3 best sounding synthesizers ever made.

From lush pads, 18 oscillator unison leads, heavy bass, and even gentle timbres, the memorymoog is sure to be a staple piece for your session in any genre on music. Plus it has everyones favorite feature: an arpeggiator!

Our rental memorymoog will arrive with an expression pedal and 12 custom patches (87-99) made by our resident in house programmer, Eli Goss. These 12 patches are the juice that will fuel modern productions to achieve sounds unobtainable by any other synth, with plugins not even worth a mention.

6. Oberheim OB8 - Rosen Sound Demo

One of our staple synths in the collection. The lore of the OB8 is that it's a less-exciting OBXa, however, with some choice mod's which we've done to ours, they are sonically identical.

The OB8 is one of the most flexible synthesizers available, which includes deep LFO routing from the front panel, and a PAGE 2 function that transforms every knob and button on the synth to do even deeper modulation, including quantized LFO's, musical "OBXA" style detuning, envelope routing, and more.

Additionally, our OB8 has been fitted with a Pratt & Read keybed, which brings the true feel of American poly synths to the experience, while also having the amenities provided by the B5 EPROM including factory midi.

7. Sequential Circuits Prophet 10 - Rosen Sound Demo

The Prophet 10 is more than just 2 Prophet 5's in one box; featuring an active EQ per voice, deeper modulation, and more performance capabilities with it's dual manuals and CV pedal inputs. This prophet 10 also features midi in and out.

8. Oberheim Four Voice Sequence

You could do an entire score with this #oberheimfourvoice. With quad poly sequencing and split modes the sky is the limit. Available for rent through us! Contact us for rates and availability. And yes, it has midi!

9. Prophet 5 Rev 3 Restoration

10. Juno 106 Multiboard removal

11. Juno 106 80017A Chip Failure - What To Check

In this video I go over a couple things to check not only to see if your 80017A chips are failing, but also other potential failures of the juno, including failure of one of the MC5534A dual DCO chip.

This video also applies to other models, such as the MKS 30, HS 60, GR 700 and some others.

If you would like Rosen Sound to service your Juno, please contact us at contact@rosensound.com

ROLAND HS-60 / JUNO 106S Vintage Synth

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via this auction

"“Synth has just been serviced & calibrated; one voice chip has been replaced with a brand new modern equivalent chip from Analogue Renaissance in Belgium; all sounds have been reloaded & all settings are back to factory reset; all knobs & sliders have been cleaned; all functions have been tested & working fine. Has almost no wear or damage of any kind & is in superb condition.”

Never heard this rumor before: "It’s been touted that the HS-60 / JUNO 106S has a fatter sound than the regular JUNO 106 (apparently because of the amplifier circuitry) but I don’t know enough about the JUNO 106 to give an unbiased opinion... Maybe it’s the fact that its tame looks contrast the huge, polyphonic analogue sound!"

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Roland Juno-106 61-Key Programmable Polyphonic Synthesizer SN 406619

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via this auction

Pics of the inside below.

"Due for original voice chip cleaning or replacement which is normal for these classics and also reflected in the price and condition of “fair.” Two of its voices are out: VCAs 2 and 4. Meaning the synth works in all ways but skips those voices when playing in poly mode. Unison mode sounds great, of course. But anyway you probably know the drill with these 106 voice chips. You can give the chips a bath in acetone and hope for the best or replace at ~$50 each. Replacement of all the chips at once seems to be the more convenient option, you usually get a discount for buying all six, and it is a permanent solution. I like doubleheart audio because they'll do the work for you and calibrate as well when you send them the motherboard. Estimated cost of chip replacement is $250 DIY to 300+ for full service."

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Roland Juno-106 Synth Spa Arctic White Edition w/ Synth Spa Chips

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via this listing, also on eBay

"This classic Juno 106 is in great cosmetic and operational condition. ALL voice / filter chips are working proper without any issues. Synth Spa professionally replaced / installed and calibrated this synth.

This synth was always taken care of. Battery Voltage was checked and in spec, power supply checked and in spec. It was also fully calibrated. It is ready for years and decades of use.. ready for any synth lover's rig. We are pricing it pretty low considering it has the complete voice chip upgrade. And as you can see from the pics.. it looks amazing as well.. very well kept! Only thing to note is a couple of buttons take a slightly harder press to engage than others. Did not bother me at all.. just stating for full disclosure : )"

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ROLAND Juno-106 Vintage Analog Synth SN 394045

Note: Auction links are affiliate links for which the site may be compensated.

via this auction
tokywax (RSS)

"Up for sale is ROLAND Juno-106 the "classic" analog synthesizer.
Probably one of the best polyphonic analog synths available, sounds great and easy to play. I ran the unit in test mode and it seems like voice chips number 2 and 3 is not working properly and would probably need replacing. I also noticed voice chip number 5 is becoming a bit weak/unstable..."

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Custom Red Roland Juno-106

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"Completely overhauled Roland Juno 106 in a custom red livery. Synth is as close to brand new as you can get. This is not your average restoration and has countless hours of excruciating detail put into it. The power supply was fully rebuilt with 5000 hour Nichicon caps, all electrolytic and ceramic caps replaced along with the voltage regulators and dual regulator controller. All 17 original ALPS sliders were completely disassembled, thoroughly cleaned, lubricated with quality silicone grease and reassembled. They have an incredibly smooth and firm feel. The panel board also features 34 new tactile switches, and 3 new alps 2 position slide switches. The 3 mini sliders on the bender board were also disassembled, cleaned, and lubricated.

Every board was stripped, thoroughly degreased, and washed. They have a glossy sheen appearance like they would from the factory. All 6 voice chips are original and have had the conformal coating stripped. Each voice chip was completely reflowed and installed on pin headers for easy removal or swapping. The synth was burn-in tested for 8 hour periods on several different days, absolutely no issues. CPU board has new battery installed. The entire keybed assembly has been completely stripped. Every single key was hand washed/degreased and polished. The keys are the whitest I have seen, this board appears to have very little use and was kept away from the sun. All rubber dome contacts despite working, were removed, and thoroughly cleaned. The carbon tracks on the keyboard assembly were also cleaned. This is a future proofing process which will insure several more decades of reliable note triggering.

A 3 prong standard IEC receptacle has been installed and a quality brand new power cable is included. All solder joints have been inspected and common control areas have been reflowed. All potentiometers have been cleaned. Full calibration performed, no crackle in the chorus! The synth is 100% functional and is in perfect cosmetic and electronic condition.

This is a unique collectors piece."

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Custom Made Roland MKS-30 Voice Chip Clones

Roland MKS-30 with 2 voice replaced to clones

Published on Nov 29, 2012 by Alexey Taber

"custom made juno chip"

Curious if these are SynthSpa's. Note there is no mention of the JX-3P. The MKS-30 is known to be a JX-3P in a rack with some modifications. The PG-200 programmer works on both.

Update via Alexey: "I developed my own project for the repair roland synths . in the future I plan to add different versions of the project : 12/24 db switch (like in roland jupiter8), aditional filter switch -add board with more classic filters polivox/moog ladder/korg ms/steiner-parker/arp4075.

and i do clone mc5534 fo juno106. i plan to modify original schematic of mc5534 to add additional tuning voice(2th dco). i maked juno 106 chorus mod- to reduce noise and add 3 channel essembly chorus, add speed, depth ,feedback pot.....
With best regards Alexey"

Black Roland Juno 106 - Junior 106

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via this auction

"Just got this back from Synth Spa a few weeks ago. Mint condition and looks great in white on black.

Totally refurbished inside and out. All voice chip refurbished, re caped, clean pots and sliders even the chorus is quiet!!! I’ve had a few 106s in the past and this sounds better than any of them.

This was my old HS-60 chopped to 37 keys. The keys are nice and white and play as new!

There are only a dozen or so of these Juniors floating around, this is the newest and arguably the best 106 you can find, either as a 37 or full 61.

Has the Synth Spa 7 years warranty good thru 2025."

Do a search for Junior 106 below for other colors.

Roland JUNO-106

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via this auction

Juno-106 in the snow. Pics of the uncovered voice chip ICs below.

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Roland Juno 106

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via this auction


"Cosmetic Condition: A dent on the top right below the Juno 106 logo. Some light wear around the edges. Still has the original 2-prong power and cable included! Just serviced, no voice chip issues, cleaned and sounding great."

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Roland Juno-106 Synthesizer

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

via the seller: "I have repaired a faulty voice chip. I have replace the internal battery. I have reinstalled the factory presets. I have calibrated the device. I have replace some missing knobs. I have cleaned scratchy pots.

I have not been able to fix the bender. The board is a mess and needs to be replaced. I have not been able to locate one."

See this post for Juno-106 replacement chips.

Roland Juno-106 Analog Synthesizer SN 578188 w/ Blue LEDs

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via this auction

Some pics of the inside below.

"This is an exceptionally good looking Juno. All of the artwork is there and looks great. No scratchy pots for they have been cleaned. All of the black coating was removed from all voice chips and they have new gold plated pins. I have also added high quality sockets so if a voice chip were to EVER go out, all you would have to do is pull it out and put a new one in. No soldering irons needed. New blue LED's, because they look awesome. The numeric display, the "A" preset LED and one of the chorus' were kept red. I think it looks cooler with a mix of both colors. The original battery has been replaced with a new one and a socket so if the battery ever goes out, just pull the battery and pop a new one in. The old power socket has been replaced with a standard 3-prong IEC Socket so you can use standard power cables instead of the 2-prong chord."

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JUNO VOICE CHIP 80017A CLONE UPDATED

Remember this post? If you have a Juno-106 with the faulty voice problem there is still hope. Latest update dated April 16, 2007: "I completely overhauled my 80017A clone: Smaller, even higher quality and easier to install." Title link takes you there. BTW, in case you missed this post, the site is also home to the Analog Renaissance TS-303 MK2 ACID SCREAMER.

Via Dennis

ROLAND Juno-106 SN 58493 with Hard Case

Note: Auction links are affiliate links for which the site may be compensated. via this auction
tokywax (RSS)

"I ran the unit in test mode, and it seems like voice chips number 3, 4 and 6 is not working properly, with voice chip number 2 having hanging note. Also in filter test, voice chips number 1, 2, 3, 4 and 6 weren't making sound.

Another issue with this is that the bender seems a little bit loose, and LFO Trig bend is not working. However its working fine on sideways bend ( DCO & VCF).

Everything else should be working well to the best of my knowledge, all the keys and buttons and sliders, as well as preset memories and writing function working fine."

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