PSS 680 direct output: Difference between revisions

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{{#evp:youtube|fWa1SzTlZfg}}
https://youtube.com/watch?v=fWa1SzTlZfg




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Patch point were verified and seem to work.
Patch point were verified and seem to work.


Status: one end of a shielded instrument cable is now soldered to the patch points.
previously: one end of a shielded instrument cable is now soldered to the patch points.
 
Current status: a small audio transformer block has been installed and an output jack socket has been installed. It works! But there is a 50Hz buzz.
 
The solution is to ground the jack plug. This will be a next step for this project.

Latest revision as of 07:46, 7 November 2025

PSS 680 direct output
Pss-output-mod.png
Participants Aetios
Skills Audio, Electronics, Soldering
Status Active
Niche Music
Purpose Instrument
Tool Yes
Location Studio
Cost a few euros for the transformer probably
Tool category Music production

PSS 680 direct output

Pss-output-mod.png {{#if:Yes | [[Tool Owner::{{{ProjectParticipants}}} | }} {{#if:Yes | [[Tool Cost::a few euros for the transformer probably | }}

aetios has brought a Yamaha PSS 680 to the space and he wants to add a direct output to the FM chip in this synthesizer. He has no idea about electronics but luckily a cool guy on youtube has made a complete rundown of his version of the mod:


https://youtube.com/watch?v=fWa1SzTlZfg


This seems alright to do.

Materials needed:

  • transformator for isolating ground
  • shielded instrument cable
  • a jack socket
  • some 100 ohm resistors

tools required:

  • soldering iron
  • hole drill

Patch point were verified and seem to work.

previously: one end of a shielded instrument cable is now soldered to the patch points.

Current status: a small audio transformer block has been installed and an output jack socket has been installed. It works! But there is a 50Hz buzz.

The solution is to ground the jack plug. This will be a next step for this project.