This site is working fine! Did buy a manual for SX-EX25L and after a while I could download it and fix the problem. Nice and easy!
Text excerpt from page 89 (click to view)
Emergency opening of the trays
The trays of the 5DTC are mechanically locked. Release snap as shown in picture 5 and pull tray out.
To open tray 1, 2 and 3 move lever (pos 29) backwards (e.g. with a screwdriver - see picture 2) to its endposition.
To remove a CD from Play Position perform following steps: 1. Open tray 1 as described before. 2. Tear the tray out with speed (see picture 6). The tray can be inserted aftewards without any alignment.
Release the locking mechanism and pull out the tray (see picture 3).
3. Move lever (pos 29) forward to its endposition (see picture 4). 4. Push lever (pos 31) forward (see picture 7).
To open tray 4 and 5 move lever (pos 29) forward to its endposition (see picture 4).