More Pictures
YO-530


Running the Calendar function



Profile view



Unfolded



Top and back sides



Main card with the Sharp custom all-in-one controller and 2 x 128 KB Toshiba memory chips,
Display card with the display controller located behind the LCD display.




Carefully taken apart. This kind of 2-card organizer is not easy to open.



YO-550, same model but includes the American Heritage Dictionary.



User manual