Very usefull manual. From my point of view there are needs more clearables images.
Text excerpt from page 10 (click to view)
KDC-X617,6090R/RY,7018
ATTENTION
ssembly of FPC(Flexible PC board) onto Roller ass'y
Turn Roller ass'y by 2 times. Hook the end of Roller ass'y to the tongue. Insert the FPC into the slit of Roller ass'y then release the end of Roller ass'y and the tongue.