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Any info on Tokyo Digital Synthesizer FM/AM Stereo Tuner

Hello guys. I have this old stereo tuner, and i don't know anything about it. Still working super fine, looks decent, but i don't know the manufacturer. Searched all over the net, but nothing yet. I'll post some photos too maybe someone from here knows something. Cheers.

https://www.facebook.com/photo.php?fbid=534636386580359&l=346e354f2a

https://www.facebook.com/photo.php?fbid=534636383247026&l=1dad1c2b2d



Any info on Tokyo Digital Synthesizer FM/AM Stereo Tuner

No one has any idea ?? how about the logo, with the trident .. i personally never seen it before on audio gear, but i may be a place to start ! :D On the chips it's written Toshiba, but i searched all their models, and i didn't found anything to match.