Panasonic SA-AKX54LM-K Service Manual page 57

Step 3 Remove 2 screws.
Step 4 Detach the --------------------from Rear Panel as
arrow shown.
Step 4 Lift up and remove the SMPS Inner Chassis Unit.
2
Caution: During assembling, ensure that the SMPS Inner
Chassis is catched onto the Rear Panel properly.
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