Replacement Module for the Yaesu MSM9520RS Display Controller EL-37
No More Malfunctioning Displays on Classic Yaesu Transceivers
The EL-37 is a modern, plug-in replacement for the discontinued OKI MSM9520RS display controller, which was used in various Yaesu transceivers.
Many amateur radio operators are familiar with the problem: The original MSM9520RS fails, replacement parts are practically unavailable, and as a result, an otherwise fully functional device becomes unusable.
The EL-37 was specifically designed to permanently fill this gap.
Compatibility
- FT-101 Mark II (has WARC – with 30m 17m 12m)
- FT-101 Mark III (has WARC – with 30m 17m 12m)
- FT-107
- FT-707
- FT-901 D / DM – late series
- FT-902
Features
✅ A full-featured replacement for the OKI MSM9520RS
✅ Plug-and-Play Solution
✅ No changes to the counter unit are required
✅ Easy installation using the included 40-pin IC socket
✅ Modern Microcontroller Design
✅ Tested on real devices
✅ Preservation of the original functionality
Note
This product was independently developed and manufactured.
It is not an original replacement part from Yaesu or OKI, but rather a compatible replacement for the MSM9520RS.
What's Included
- EL-37 Replacement Module, Tested Before Shipping
- 40-pin socket
Funktions- und Einbauanleitung:
MSM9520RS Ersatzmodul (ge)
Function and Installation Instructions:
MSM9520RS Replacement Modul (en)