Panasonic SA-AK870GCP Service Manual page 55

Step 3 : Remove 1 screw.
Step 4 : Detach the Rear Panel slightly backward as arrow
shown.
Step 5 : Lift up the AC Inlet P.C.B..
Step 6 : Flip over the AC Inlet P.C.B. and desolder 2 wires pins
(red and black).
Note : During reassembling procedures, ensure the P.C.B. is
seated properly at the locators.
Caution : Remember to use Tie Wraps to tie red/ black
wires between AC Inlet P.C.B. to the chassis.
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SA-AK870GCP