Matsushita Electric SB-FS740P Service Manual page 13

Step 3: Remove 1 screw from the Lower Rear Cabinet Assembly.
Step 4: Remove 2 screws from the Base Stand Assembly.
Step 5: Pull out the Speaker Cable from the groove as arrow shown.
Step 6: Remove the Lower Box Assembly as arrow shown.
Step 7: Pull out the Speaker Cable from the Base Stand Assembly.
1.8. Disassembly of Lower Rear Cabinet Assembly
Follow (step 1) to (step 4) in Item 1.2.
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