Panasonic SA-AK580PH Service Manual page 51

Step 3 : Release 3 catches.
Step 4 : Remove the Dynamic Bass Knob.
Caution 1 : Do not misplace the Volume Gear.
Caution 2 : Volume gear to align to Volume Knob & engage
to Dynamic Bass Knob during assembly.
9.10.2. Disassembly of Dynamic Bass But-
ton Unit
Step 1 : Release 4 catches.
Step 2 : Release 2 catches.
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