Panasonic SA-BTT775GA Service Manual page 60

Step 7 Release tabs at both sides of the Front Panel Block
Assembly in the direction of arrow.
Caution: Do not exert strong force when releasing the tabs.
During assembling, ensure that Front Panel Block assem-
bly is properly inserted & fully catched onto Bottom Chas-
sis.
Step 8 Release 3 tabs at the Bottom Chassis.
Caution: Do not exert strong force when releasing the tabs.
During assembling, ensure that Front Panel Block Assem-
bly is properly inserted & fully catched onto Bottom Chas-
sis.
Step 9 Detach the Front Panel Block Assembly.
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