I recently purchased a copy of Rhythm Tengoku and I'm having saving issues. I believe this game should autosave, but whenever I turn the game off it would revert back to the save that was there when I bought it. I was able to successfully erase that save using a DS Lite and R4, but it still doesn't save, now instead taking me to the intro to the game whenever I turn it off and on. Included are pictures of the board which I've tried brushing with IPA to no avail. How could I fix this? Do I need to replace the FRAM chip?