MATRIXSYNTH: Siel DK80 Synthesizer Repair - Weird Power Supply Issue

Tuesday, May 12, 2026

Siel DK80 Synthesizer Repair - Weird Power Supply Issue


video upload by gstormelectro

"Audio + Video by G-Storm Electro c. 2026

Today I've got a Siel DK80 with an issue. Both 7-segment displays are very dim, and also the front panel LEDs are faint. Seems like a power supply problem. What I noticed is when I depress the power button fully to turn it off, the display and leds come back to full brightness. Seems that the power switch might be going out. Let's teardown the synth and replace the switch to see if it fixes the issue."

G-Storm Electro:
MUSIC https://gstormelectro.bandcamp.com/
BLOG http://gstormelectronica.blogspot.com/
LISTEN/DOWNLOAD http://soundcloud.com/gstormelectro
REVERB https://reverb.com/shop/gstormelectro

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