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 15 (click to view)
Dismantling of the Key Board Assembly 1) Open the DVD Tray by using the Open/Close Button while the Set is ON and disconnect the mains supply after removing the Tray Cover. Note: If this is not possible, the DVD Tray has to be open manually.
Take a mini screw driver about 2mm diameter and make a marking 24mm from the tip as shown in figure 2. Place the set on its side, insert the mini screw driver till the marking and slide it towards the right as shown in figure 1 until the Tray moves out of the Front Panel. 2) Return the set to its upright position and remove the Tray Cover as shown in Figure 3 and close the tray manually by pushing it back in. 3) Loosen 11 screws and remove the Top Cover by lifting the rear portion upwards before sliding it out towards the rear. - 7 screws on the back - 2 screws each on the left & right side 4) Loosen 7 screws & lift up the top edge of Front Panel assembly to free some catches (see figure 3) before sliding it out towards the front. - 5 screws on the bottom - 1 screw each on the left & right side
Dismantling of the MPEG Board 1) Loosen 4 screws A to remove the metal cover together
with MPEG board and remove the connector as shown in figure 4.
Note: Do not lost the limited between the MPEG board and the servo board
Marking just outside the slot on the rear cabinet
Dismantling of the DVD Module 1) Loosen 4 screws B to remove the DVD module as shown in figure 5 .