Panasonic SA-BT230P Service Manual page 52

Step 4 Rotate the Cradle Lid about 45 according to the dia-
gram shown.
Step 5 Remove Cradle Lid.
10.11.2. Assembly of Cradle Lid
Step 1 Insert the Cradle Lid (Shaft A) into the Front Panel (Slot
A & hole B).
Step 2 Slightly push the Cradle Lid inwards.
Step 3 Press the Cradle Lid downward.
Step 4 Fix the Cradle Lid Spring onto Cradle Lid's Shaft A.
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