Panasonic SA-BTT775GA Service Manual page 71

10.15.1. Disassembly of Dust Cover
Step 1 Release the Dust Cover from the guides.
Step 2 Remove the Dust Cover as shown.
10.15.2. Replacement of Tray
Refer to "Disassembly of Dust Cover".
10.15.2.1. Disassembly of Tray
Step 1 Use a pin to push the Slide Cam until it come to a stop.
The Tray will open automatically.
Step 2 Gently push out the tray until it is open fully.
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