Panasonic SA-AKX92PH Service Manual page 60

Step 5 Remove 3 screws.
Step 6 Detach Voltage Selector P.C.B. from Rear Panel as
arrow shown.
Step 7 Lift up SMPS Inner Chassis Unit.
Caution: During assembling, ensure that SMPS Inner
Chassis is catched onto Rear Panel properly.
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