Panasonic SA-AK785LM-K Service Manual page 56

Step 7 : Place the D-Amp P.C.B. on a support block.
Step 8 : Remove 3 screws.
Step 9 : Lift up to remove the D-Amp P.C.B..
Caution: During assembling, ensure the D-Amp P.C.B. is
seated properly on the locator of the Inner Chassis.
9.14.2. Disassembly of Fan Unit
Step 1 : Remove 1 screw.
Step 2 : Remove the Fan Unit.
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