Panasonic SA-AKX56PH Service Manual page 36

Step 4 Remove 2 screw.
Step 5 Slightly lift up the Main P.C.B.from the slots at the Inner
Chassis Unit according to arrow shown.
Step 6 Detach 10P FFC at the connector (FP8251) on the Main
P.C.B..
Step 7 Detach 24P FFC at the connector (FP8201) on the Main
P.C.B..
Step 8 Remove the Main P.C.B..
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