Panasonic SA-AKX90PH Service Manual page 45

Step 4 Slightly lift up & remove D-Amp Unit as arrow shown.
Caution: During assembling, ensure that D-Amp Bracket is
seated on the locator of Inner Chassis properly.
Step 5 Detach 17P FFC at the connector (CN5050) on D-Amp
P.C.B..
Step 6 Remove 2 screws.
Step 7 Remove D-Amp (A) P.C.B..
Caution: Keep the D-Amp Brackets in safe place, place it
back during assembling.
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