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Steda SR-909

Steda SR-909

Project

Projecttitel:Steda SR-909 

Status: IN PROGRESS

Startdate: 03/2022

Duedate: 06/2022

updated 09/2025

Manufacture link:

 

 


BOM

SR909_FULL_V1_BOM.xlsx

TD62783 =IC603 54562P

uPA53C = IC 602 54516P

 

Forum 

https://modwiggler.com/forum/viewtopic.php?t=225405

 

Build Tips:

 

https://sr909.de/build-tips/

https://web.archive.org/web/20211024065332/https://sr909.de/build-tips/

 

Build notes

 

to avoid desoldering tasks..

the log leg is positive - which means the pin is on top.

ignore the red color at the black body of the switch, its just an info which color the led has.

IMG_4003.jpg
LED + is on top

 

 

 

 

 

correct Orientation od Q82 Q83

 

 

IMG_1379.JPG
solderside

 

IMG_2038.JPG
SR-909 PSU 230V

 

 

IMG_1320.JPG
Pcbs SR-909

 

IMG_1291.jpeg
Switchboard

 

IMG_1292.jpeg
SR-909 PSU bare
IMG_1290.JPG
SR-909 case

 

IMG_2290.JPG
assembled SR-909

 

IMG_1384.JPG
populated SR-909

 

 

IMG_1364.jpeg
SR-909 Q82 Q83 Orientation

 

IMG_2271.JPG
switchboard

 

 

IMG_2276.JPG
IMG_6903.jpeg

 

 

IMG_2274.JPG
done - Steda SR-909

 

how to bugfix: https://diysynth.wiki.dsl-man.de/wiki/spaces/SKM/pages/336101402/How+to+bugfix

non commercial pages, all infos are best can do without warranty, without liability.