Panasonic SA-AK580PH Service Manual page 47

Step 5 : Release claws on both sides.
Step 6 : Release catches at both side.
Caution : During assembling, ensure both the claws and
catches are fully catched.
Step 7 : Release tabs at the bottom.
Caution : Do not exert strong force when releasing the
tabs.
Step 8 : Remove the Front Panel Assembly as arrow shown.
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