Read Panasonic SB-PF460GC Service Manual online
2.4. Disassembly of Woofer (SP2)
Follow (step 1) to (step 3) in item 2.2.
Follow (step 5) in item 2.2.
Step 1: Remove 4 screws.
Step 2: Remove woofer (SP2) as arrow shown.
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SB-PF460GC
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