LG SPJ4B-W - Auto Power Down Feature; Automatic Unit Turn-off; AUTO POWER On;Off Function; Automatic Input Source Activation

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Figure 2-3 (1)
Figure 2-3 (2)
HOW TO DISASSEMBLE THE SUBWOOFER
2-3. AMP+SMPS PCB Assembly
1) Disconnect the Power inlet socket cable.
2) Remove the 5 screws.
3) Remove the AMP+SMPS PCB Assembly.
AMP+SMPS PCB Assembly
AMP+SMPS PCB Assembly