Lenovo 8822 Hardware Replacement Manual page 15

Connection of the speaker
Y-1 Volume adjusting knob
Y-2 Bass effect adjusting knob
Y-3 Connect to mainframe Speaker/headphone connector
Y-4 Speaker power switch
Y-5 Speaker power cord
Y-6 Primary/secondary speaker connection cable
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Hardware Replacement guide
[Y-6] [Y-5]
[Y-1]
[Y-2]
[Y-3]
[Y-4]