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2 layers45.5 × 55.8 mmScartaudioextract, the printed circuit board in 3D

A SCART coupler that extracts the audio to a 3.5mm TRS jack

Size
45.5 × 55.8 mm
Copper layers
2
Thickness
1.6 mm
Parts
3
Nets
24
Pads
50
Tracks, vias
21, 16
Pours
1
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
22 Aug 2024
Updated
3 Sep 2026

Overview

Scartaudioextract is an open-source printed circuit board by circuitsable, from the circuitsable/SCARTAudioExtractor repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 45.5 × 55.8 mm with 3 parts on 24 nets, routed with 21 tracks and 16 vias.

It belongs with the audio and music boards of this library.

README

README.md

SCARTAudioExtractor

This is a PCB that acts as a SCART female-to-female coupler/gender changer, but extracts the audio from the input to a 3.5mm TRS jack, with multiple SCART variations available.

  • Euro to Euro Extract (you probably want this one)
  • JP21 to Euro Extract

Assembled board

Board in use

Why/About

I have several older game consoles that output their video and audio over SCART, and I often want to listen to the game audio with headphones.

I designed this board because the few products that extract audio from a SCART cable either terminate to RCA jacks, are out of stock, or do not support RGB.

This board must be right before your display! Audio is completely removed from the SCART cable, and you will not get audio from the output SCART connector. This coupler also does not support daisy chaining and removes the mostly unused D2B bus signals as well.

Create an issue if you would like a version that uses RCA jacks or JP-21.

What you'll need

The PCB, of which gerbers are available for in the releases. The PCB can be ordered from any board house, some examples of which are Oshpark, PCBWay or JLCPCB.

2 Female SCART Connectors (specifically, KYCON_SCART_K-SCARTX-022_Horizontal). No major suppliers carry SCART connectors anymore as far as I'm aware, you can find listings on Aliexpress here (LR Ear), here (VER3) or here (03). Ensure that the part that juts out is on the top (opposite side of the pins), the connector has ears, is a horizontal/90 degree connector, has all 21 pins (to ensure RGB support), and does not have any extra mounting methods besides the ears (e.g, screw holes).

1 Female 3.5mm TRS Jack (specifically, Jack_3.5mm_CUI_SJ1-3523N_Horizontal). This can be bought from Mouser, Digikey or Aliexpress here, here or here.

Basic soldering equipment.

(Optional) Rubber feet or a case of some sort

PCB Images

PCB Front w/ Components

PCB Front w/o Components

PCB Back

Schematic

TODO

Design a 3D printable shell to protect against shorts/damage to the board.

Parts

3
QtyValueFootprintReferences
2SCART-FConnector_AV:KYCON_SCART_K-SCARTX-022_HorizontalJ1, J2
1AudioJack3Connector_Audio:Jack_3.5mm_CUI_SJ1-3523N_HorizontalJ3

Questions

How big is the Scartaudioextract PCB?

It measures 45.5 × 55.8 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Scartaudioextract use?

3 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Scartaudioextract KiCad files?

From the circuitsable/SCARTAudioExtractor repository on GitHub, at the commit this page was made from: the board is JP21 to Euro Extract/scartaudioextract.kicad_pcb and its schematic Euro to Euro Extract/scartaudioextract.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Scartaudioextract design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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