Skip to content
Tuesday, January 26, 2021

The Imp of the Perverse

Things I think I should be doing, for better or worse.

  • Home
You are here
  • Home
  • Uncategorized

Category: Uncategorized

Korg Poly-61 – Fixing Non Working Keys

2020-08-302020-08-30 Laban
This Korg Poly-61 had issues with around 10 of the buttons where they did not generate any notes. The keyboard in the Poly-61 uses membrane buttons which have a rubber dome with a conductive plate which is pushed down on the circuit board. The conductive part tend to go bad over the years so in…
UncategorizedLeave a comment

Access Virus Rack – Restarts Due To Bad Capacitor

2020-07-132020-07-13 Laban
This Access Virus Rack was continuously restarting when power was connected. This is apparently a common issue with the Access Virus and is due to a capacitor in the power supply going bad. In this video I replace said capacitor. I didn’t have to do any real troubleshooting here as there were various references to…
UncategorizedLeave a comment

Yamaha RM1x – Replacing All Buttons

2019-11-022019-11-02 Laban
I have a Yamaha RM1x where some of the buttons were quite bad. I decided to replace all of them while I had it open. A couple of the encoder and the volume cap was missing so I replaced these also. The soft buttons were Omten D3XJ and I bought these from a vendor on…
Uncategorizedrepair, Yamaha RM1xLeave a comment

Korg Poly-800 Mk1 – Replacing Battery & Restoring Presets

2019-10-132020-06-14 Laban
This Korg Poly-800 Mk1 had suddenly started to behave oddly. If it made any sounds at all they were inconsistent and random. This would indicate that the memory is corrupt due to a bad battery. As I understand it there was no internal battery mounted in all of the Kort Poly-800 Mk1, they required batteries…
Uncategorizedkorg, Soldering2 Comments

Building the Nava #1 – Soldering the Power Supply

2019-07-142019-07-14 Laban
It is time to build the E-Licktronic Nava, the Roland TR-909 clone! I’ve had the kit and a metal case for several years but I haven’t actually started building it. So about a month ago I ordered the remaining components from Mouser. In this video I solder and test the power supply. Nothing exceptional here;…
UncategorizedE-Licktronic, Nava, SolderingLeave a comment

Building the Yocto #25 – Gluing Broken Spacers

2019-07-072019-07-07 Laban
In this Yocto several of the distances/spacers used to screw the PCB to the front of the machine had been broken off. Some of them were loose when I got the case and some of them broke off due to stress when screwing them in. Here I glue these back using epoxy glue
Uncategorized, YoctoYoctoLeave a comment

Roland TR-808 – Cleaning Instrument Switches

2019-06-222019-06-22 Laban
Cleaning some oxide/gunk in the instrument switches of a Roland TR-808. Initial cleanup using air duster to get anything loose out of there. Then using some IPA and finishing off with some DeOxit.
UncategorizedLeave a comment

Benq w1060 Projector – Changing Bulb and Light Path Cleaning

2019-03-102019-03-10 Laban
I have a Benq w1060 projector (which is about 8yrs old) which had severe issues with parts of the projected screen having lighter areas. It also projected light outside of the screen area. I decided switch out the light bulb as it was near the end-of-life accouring to the number of hours it had been…
UncategorizedLeave a comment

Recent Posts

  • Yamaha DX7 – Audio Output Jack Repair
  • Roland SH-101 – Power Switch Replacement
  • Korg Poly-61 – Battery Leak Repair
  • Roland TR-505 – Installation of HKA Design ROM Expansion
  • Korg Poly 61 – Installing a Power Socket (IEC C14)

Recent Comments

  • Laban on x0xb0x – Replacing buttons with Omron B3W-4050
  • ernav on x0xb0x – Replacing buttons with Omron B3W-4050
  • Dee on Korg Poly-61 – Removing & Attaching Keyboard Keys For Cleaning
  • Laban on Korg Poly-61 – Removing & Attaching Keyboard Keys For Cleaning
  • Dee on Korg Poly-61 – Removing & Attaching Keyboard Keys For Cleaning

Archives

  • January 2021
  • December 2020
  • October 2020
  • September 2020
  • August 2020
  • July 2020
  • June 2020
  • April 2020
  • February 2020
  • January 2020
  • November 2019
  • October 2019
  • September 2019
  • August 2019
  • July 2019
  • June 2019
  • May 2019
  • March 2019
  • June 2018
  • May 2018
  • February 2017
  • January 2017
  • December 2016
  • November 2016
  • October 2016
  • August 2016
  • July 2016
  • June 2016
  • May 2016

Categories

  • Korg Poly-61
  • Nava
  • OSX
  • PlayStation 4
  • Roland Jupiter-4
  • Roland SH-101
  • Roland TR-505
  • Roland TR-808
  • Uncategorized
  • Waldorf
  • x0xb0x
  • Yamaha DX11
  • Yamaha DX7
  • Yocto

Meta

  • Log in
  • Entries feed
  • Comments feed
  • WordPress.org

Lars Bjarby ©2021 - Contact: lars@bjarby.se