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Author: synthchaser
E-mu Emulator II Power Supply Replacement – Synthchaser #166
I show how to install my new replacement power supply in the Emulator II synthesizer.
Emulator II power supply available here:
Synthchaser E-Mu Emulator II Replacement Power Supply 100-240VAC
LinnDrum Repair & Upgrades – Synthchaser #165
Today we troubleshoot and repair a LinnDrum with dead Toms and Conga voices. In doing so, I explain how the LinnDrum turns sampled data in the ROM into the audio you hear. We also look at a couple of upgrades I’ve got available that make the LinnDrum easier to service and repair and more enjoyable to play — a replacement 5V power supply board and new sliders!
Dead Roland TR-808 Repair – Synthchaser #164
I troubleshoot and repair a dead Roland TR-808, and convert it from 220V operation to 110V operation.
Korg X-911 Guitar Synthesizer Repair – Synthchaser #163
In this video I show you how to interface a keyboard controller with the Korg X-911 guitar synthesizer and then we troubleshoot and repair the faulty trumpet preset which was only making farting noises.
Parts, service and synthesizers available on my website. I buy broken synthesizers!
Gochifix 3in1 handheld oscilloscope: https://amzn.to/49kfTrF
Discount code (25% off) : 25Chaser
Code valid: 4/8/24 – 5/31/24
My desoldering tool: https://amzn.to/3PikaEf
Soldering station: https://amzn.to/3rudVF4
Smoke absorbing fan: https://amzn.to/3LvjTfM
Moog Polymoog Repair – Dead/Incorrect Sounding Keys – Synthchaser #162
In this video I show how to repair the 2 most common causes of a very frequent Polymoog problem–dead or incorrect sounding keys.
ARP Pro/DGX (Pro Soloist) No Output Repair – Synthchaser #161
We kick off the New Year on the Synthchaser channel with troubleshooting and repair of this ARP Pro/DGX Mk I, which is the same as the ARP Pro Soloist with the exception of having pushbutton switches for voice selection instead of toggle switches. This Pro/DGX has no output at all, so together we troubleshoot and repair it, and in the process I explain how one of the least understood circuit boards in the synthesizer works.
Don Lewis’ Original ARP Soloist Repair Part 2 – Synthchaser #160
We continue the repair of Don Lewis’ original Model 2700 ARP Soloist. Among other challenges, we run into a big problem–the 4030 Violin voice submodule is dead. It’s encased in epoxy and no schematic is available, but will that stop Synthchaser? I think not…
- The Ballad Of Don Lewis DVD: https://amzn.to/3t2Nbw9
- My multimeter: https://amzn.to/3Ltgqi3
- My oscilloscope: https://amzn.to/3rm6b8d
Don Lewis’ Original ARP Soloist Repair Part 1 – Synthchaser #159
My friend Don Lewis was a brilliant musician and engineer. Before he built his LEO (Live Electronic Orchestra) system, he used the original, Model 2700 ARP Soloist for leads. His ARP Soloist has been sitting unused since the 1970’s and in this video I begin to repair it so it can be donated to a cause Don was a part of. If there is enough interest, I will continue this video series.
The Ballad Of Don Lewis DVD: https://amzn.to/3t2Nbw9
My multimeter: https://amzn.to/3Ltgqi3
My oscilloscope: https://amzn.to/3rm6b8d
ARP Explorer I Functional Demo – Synthchaser #158
A brief, off-the-cuff run through that shows the features and sounds of the ARP Explorer I. No planning or editing because I think the ARP Explorer I is so obscure that this will be one of my least viewed videos. Prove me right or wrong.
The ARP Explorer I (Model 2900) was ARP’s first non-preset single oscillator synthesizer, pre-dating the Axxe and the Solus. It includes the same 4027-1 Voltage Controlled Oscillator module found in the ARP 2600, and the same 4034 Moog Ladder Filter Voltage Controlled Filter module found in the ARP Pro Soloist.
