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Synthchaser #086 – ARP Pro Soloist Repair – Dead Presets & Broken Wow Effect

Repairing another customer’s ARP Pro Soloist. This one had very few patches working when it came in due to bad switches and a faulty VCA. Also engaging the Wow touch sensor effect would short circuit the keyboard and cause there to be no output at all.  

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Synthchaser #085 – Four ARP 2600 Repairs

No, not repairing 4 ARP 2600s, making 4 repairs to the same ARP 2600… In this video we bring life back to an ARP 2600 with 2 dead oscillators, dead sample and hold, and dead left speaker.  

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Synthchaser #084 – ARP Pro Soloist Repair – Dead Touch Sensor, Dead Presets, Bleeding Notes

A customer sent in his Pro Soloist for repair because the touch sensor effects weren’t working and some presets sustained indefinitely after releasing the key. I also noticed several of the presets were dead. So we dive in and get this all fixed so he can get back to making awesome music with it.

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Synthchaser #083 – ARP Omni 2 Repair – No Output / Lights On, Nobody Home

Wrapping up the restoration of yet another dead ARP Omni 2, I hook everything up for testing & calibration, but there’s no output. Together we use some simple logic to figure out what’s wrong and fix the synthesizer!  

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Synthchaser #082 – Sequential Circuits Prophet 600 Dead & Intermittent Key Repair

The Prophet 600 Panasonic keybeds often have problems with dead or intermittent key contacts. In this video I show you how to access the key contacts, and how to repair them for reliable long-term operation.  

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Cold Solder Joints

I was working on an ARP Omni 2 and came across a really bad soldering job.  Someone had replaced the gating capacitors, but all of their solder joints were “cold solder joints”.  What’s a cold solder joint?  Well, first let me explain what a good solder joint is.  With a good solder joint, both the […]

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Synthchaser #080 & 081 – ARP Odyssey Restoration & Repair

First, we restore a dead ARP Odyssey. Not the new Korg one, a real vintage, 1973 Mk 1 Model 2800 Whiteface ARP Odyssey. We change the ICs, capacitors, sliders, repair a dead oscillator and a damaged power supply. This Odyssey gets the full Synthchaser spa treatment! Then, we use that ARP Odyssey as a test […]

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Synthchaser #079 – Oberheim OB-8 Dead & Intermittent Key Repair

Most OB-8’s use a different style of keybed than found on other OB’s. These keybeds often have problems with dead or intermittent key contacts. In this video I show you how to access the key contacts, and how to repair them for reliable long-term operation. This OB-8 is for sale: Oberheim OB-8 Analog Synthesizer Keyboard […]

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Synthchaser #078 – Oberheim OB-8 Voice Board Repair

A customer sent a broken OB-8 voice board in for repair. We locate and repair a damaged trace, replace an incorrect capacitor and test it out in one of my OB-8’s.  

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Synthchaser #077 – ARP Omni 2 Phaser Repair

In wrapping up the restoration of an ARP Omni 2, I noticed the sound was ever so slightly off. Together we track down the problem and repair the culprit delay line on the phaser board of the synthesizer. Shows the importance of replacing all of those tantalum capacitors with my kit: ARP Omni 2 Capacitor […]

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