Panasonic SA-AKX92LM-K Service Manual page 39

Step 4 Remove D-Amp P.C.B. Holder.
Step 5 Release catches by following the sequences (1-6).
Step 6 Lift up Panel P.C.B..
Step 7 Desolder 12pins at (ZJ6002A) on Panel P.C.B.
Step 8 Remove the Panel P.C.B.
Caution: During assembling, ensure that Panel P.C.B. is
seated properly through the guides & fully catched.