Panasonic SA-BT230P

66
Step 4 Remove 2 screws on D-Amp P.C.B..
Step 5 Remove 4 screws.
Step 6 Release the tab of the side of the Rear Panel in the
direction of arrow.
Step 7 Slightly lift up to remove D-Amp P.C.B..
Caution: During assembling, ensure that D-Amp P.C.B. is
seated properly at the locators.