Philips HTS3021/98 Service Manual page 17

2.
Dismantling of top case
2-1. Ensure no disc in the tray and keep tray close, turn off the DVD player and then disconnect the mains supply.
Loosen 6 screws"A" as shown in figure 2-1.
A
Figure 2-1.
2-2. Take off the top case as shown in figure 2-2.
OPEN
Figure 2-2.