Custom Firmware for the Sony MZ-RH1 Modern usability improvements for Sony's last Hi-MD flagship recorder. Overview This custom firmware extends the original functionality of the MZ-RH1 while maintaining all existing capabilities. It introduces new features such as enhanced track information display and improved OLED brightness control. More configuration are now accessible directly on the device,…
A while ago I wrote about my early experiments with modifying the firmware of the Sony MZ-RH1, mainly driven by one long-standing annoyance: not being able to see track titles on the unit itself during playback. That post demonstrated a proof-of-concept, which was not ready for release. This time, things are a bit more serious. I’ve now completed the first public release of custom firmware…
As some of you may know, I’ve been producing new displays for the MZ-RH1, with the goal to revive as many MZ-RH1s as possible. But sadly, even with new displays, the MZ-RH1 has some (in my opinion) flaws that at times make it feel more like a toy than an advanced MiniDisc recorder. One of the limitations is that it is impossible to view track titles during playback on the OLEDs. This is a…
Photo credit: SirDreamWorks Introduction This guide offers step-by-step instructions for installing our replacement display in the Sony MZ-RH1 MiniDisc player. Use this guide as a helpful reference to restore your device’s functionality with the new display module. Before you begin the installation, please carefully read through this guide and gather all necessary tools and materials. It is…
MZ-RH1 Compatible Display Modules Photo credit: SirDreamWorks The MZ-RH1 is widely regarded as one of the best MiniDisc portables ever made. However, it suffers from a fatal flaw: the original OLED displays tend to dim significantly over time due to a manufacturing defect. Now, almost 20 years after its release, many MZ-RH1 units have become practically unusable because of this issue, with the…
About Me Welcome to my little corner of the internet! I’m a computer scientist with a deep passion for programming, reverse engineering, and electronics. My journey into the world of technology began at a young age, tinkering with old gadgets and writing my first lines of code. Over the years, this curiosity evolved into a dedicated pursuit of understanding how things work, leading me to…