Exactly the JVC service manual and schematics that I was looking for - delivered just hours after order. Will do business again!
Text excerpt from page 8 (click to view)
2.2 CD Mechanism section 2.2.1 Removing the top cover (See Figs.1 and 2) (1) Remove the four screws A on the both side of the body. (2) Lift the front side of the top cover and move the top cover backward to release the two joints a.